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CBSE Questions for Class 11 Medical Biology The Living World Quiz 8 - MCQExams.com
CBSE
Class 11 Medical Biology
The Living World
Quiz 8
The types of herbaria is based on
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Purpose
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Region
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Plant groups
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All of the above
Explanation
A Herbarium is defined as a collection of plants that usually have been dried, pressed, preserved on sheets and arranged according to any accepted system of classification for future reference and study.
The labels on the herbarium sheets provide information regarding place of collection, English, local and botanical names, family, etc.
The types of herbaria are based on Purpose, region and plant groups.
So, the correct answer is 'All the above'.
A person can preserve the historical record of changes in vegetation over the time by
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Museum
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Botanical garden
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Formaldehyde
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Herbaria
Explanation
The systematically arranged collection of different types of dried plants is called herbarium. It helps in the identification of plants and in the preservation of changes in vegetation over the time. So, the correct option is D.
Mounted specimen can be preserved by the use of
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2% mercuric chloride
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2% formaldehyde
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2% alcohol
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2% malation
Explanation
Herbarium is the collection of dried plant parts and arranged systematically with related data on paper. During the preparation of herbarium, there are the chances of damage to the specimen by maggots, ticks etc. So, to avoid this problem, 2% mercuric chloride is used to control insect and fungal infestations in herbarium collections.
Thus, the correct answer is option A.
The repository of plant taxonomy and systematics is
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Red data book
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Herbarium
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Botanical garden
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Genomic library
Explanation
A herbarium is a collection of preserved plant specimens. It gives the permanent record of plant specimen. These specimens may be whole plants or plant parts. These are in a dried form mounted on a sheet. The specimens are stored with a data label.
Herbariums are essential for the study of plant taxonomy, the study of geographic distributions and the stabilizing of nomenclature. Herbaria may also be a repository of viable seeds for rare species and new taxonomy
Thus, the correct answer is option B.
Xylarium is the herbarium of
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Wood
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Fungi
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Lichens
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Mosses
Explanation
Xylarium is the herbarium of wood.it consists of a collection authenticated wood specimens.
Herbarium is used to
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Map distribution of plants
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Study plant taxonomy
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Study molecular taxonomy
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All of the above
Explanation
Herbarium is used to know the geographical distributions of the plants,where are they found etc.
they have also been useful in studying plant taxonomy as information related classification is given.
and also useful as sources of plant DNA for use in molecular systematics.
So, the correct answer is 'All of the above'.
The city with the largest number of museum is
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London
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Mexico
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New york
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Delhi
Explanation
According to the National Council for Culture and Arts (Conaculta), Mexico City is the city with the most museums in the whole world. It is home to more than 150 museums. These ranges from European art museums, to museums devoted to communication and learning, to science focused museums and more.
So, the correct answer is option B.
Which of the following is not mounted in herbarium sheet?
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Aquatic plants
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Lichens
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Ferns
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Succulent plants
Explanation
Plant specimens are collected and preserved for their study and research in a herbarium. For this, the specimens are dried and then mounted on the white sheet with proper details. There are some specimens which can not be dried and mounted as they are soft or bulky like succulent plants. Conifer cones and palms are stored in labelled boxes. Mosses and lichens are packed and preserved in small envelops. Representative fruits and flowers are stored in the formaldehyde to preserve their three dimensional structure. So, the correct option is D.
We can get data for floristic study from
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Genomic library
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Gene bank
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Museum
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Herbarium
Explanation
The floristic study is the study related to the distribution of plants. A herbarium is a collection of preserved plant specimens. It gives the permanent record of plant specimen.
The specimens are stored with a data label. The label describes useful information including the plants' scientific name, the origin of the collection, the date and time of collection and the name of the collector.
Herbariums are essential for the study of plant taxonomy, the study of geographic distributions and the stabilizing of nomenclature. Herbaria may also be a repository of viable seeds for rare species.
Thus, the correct answer is option D.
In India, herbarium plant specimens are arranged according to the system of classification of
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Bentham and Hooker
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R. H. Whittaker
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Carl Woese
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None of the above
Explanation
Herbarium plant specimens are arranged according to Bentham and Hooker classification, an artificial system of classification, that majorly considers the reproductive parts of the plants.
So, the correct answer is '
Bentham and Hooker'
The label of the specimen in herbarium sheet should indicate
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Scientific name
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Time of collection
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Name of collector
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All of the above
Explanation
A herbarium is a collection of preserved plant specimens. These specimens may be whole plants or plant parts. These will usually be in a dried form mounted on a sheet. The specimens are stored with a data label. The label describes useful information including the plants' scientific name, the origin of the collection, the date and time of collection and the name of the collector.
Herbariums are essential for the study of plant taxonomy, the study of geographic distributions and the stabilizing of nomenclature. Specimens housed in herbaria may be used to identify the flora of an era.
Thus, the correct answer is option D.
The main purpose of museum is
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Educating people
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Preserving natural and historic objects
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Economic development
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Both A and B
Explanation
Museum is a building in which objects of historical, scientific, artistic or cultural interest are stored and exhibited. In museum, values of vanished societies such as fossils, armour, ornaments, paintings, etc are kept and preserved.
It maintains the permanent record of the flora and fauna.
This is done for educating people about flora, fauna and vanished values.
Thus, the correct answer is option D.
Beta $$(\beta)$$ diversity refers to diversity
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Within a community
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Between communities
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Between two eco zones
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Within a population
Explanation
$$\textbf {Correct Option (B):} $$
$$\textbf {Solution:} $$
$$\textbf {Option (A):} $$
$$\bullet$$ Diversity in a single community is referred to as gamma diversity.
$$\textbf {Option (B):} $$
$$\bullet$$
β
diversity is said to be the difference in diversity of species from one community to the other. For example, America might have an Indian population who are born there and lived there all their life and similarly India might have Americans that were born and brought up here.
$$\textbf {Option (C):} $$
$$\bullet$$
$$\textbf {Option (D):} $$
$$\bullet$$ Diversity in a certain population is attributed as genetic variation.
Hence, the option(B) is the correct answer.
Museum is a centre of
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Documentation
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Experiments
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Communication
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None of the above
Explanation
museum is a centre for preservation of ancient data and specimens.
so the correct answer is documentation.
Objects exhibited in zoological museum is
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Stuffed animals
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Bird beaks
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Skeletons
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All of the above
Explanation
The answer is all of the above because a zoological museum is an institution in which animal collections are assembled. (animals prepared in fixation,stuffed animals,skeletons,hides,and articles made from horns,bones,shells.etc).
So the correct answer is 'All of the above'.
Which of the following is true about the museum?
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It maintains the permanent record of the flora and fauna.
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It has the collection of plant and animal specimen for study.
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It preserves the values of vanished societies.
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All of the above
Explanation
Museum is a building in which objects of historical, scientific, artistic or cultural interest are stored and exhibited. In the museum, values of vanished societies such as fossils, armour, ornaments, paintings, etc., are kept and preserved.
It maintains the permanent record of the flora and fauna.
It has the collection of plant and animal specimen for study.
Thus, the correct answer is option D.
Identify the first museum of the world.
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Uffizi gallery
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Ashmolean museum
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Indian museum
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None of the above
Explanation
Museum is a building in which objects of historical, scientific, artistic or cultural interest are documented, stored and exhibited. The first museum which was developed in the world was Ashmolean museum. This museum is present in Oxford and was set up in 1683. There are various cabinets in the museum which displays the various artefacts of Elias Ashmole. He was an astrologer and politician.
Thus, the correct answer is option B.
The oldest museum in India is
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Indian museum
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Salarjung museum
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National museum of India
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Uffizi gallery
Explanation
India museum is the oldest museum in India. It was established in 1814. It is situated in West Bengal, India. It has the collection of fossils, ornaments, antiques, armor and paintings. It comprises of six sections, namely Art, Archaeology, Anthropology, Geology, Zoology and Economic Botany.
Thus, the correct answer is option A.
Science museum foresee
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Technological changes
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Temperature changes
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Pressure changes
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Behavioural changes
Explanation
In near future, science museams will be more developed than ever due to technological changes. New preservative techniques, use of radioisotopes resulting in enhanched shelf life are some of the most important factors governing the given change.
So, the correct option is 'Technological changes'.
All of the following statements are correct except:
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Insects are preserved in insect box.
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Plant specimens are preserved in herbaria sheets.
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Museum helps in the introduction of economically important plants.
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Museum is a place of sacred to the muses.
Explanation
Museum is a kind of institution where there occurs a public display of objects which are scientifically, culturally, socially, artistically or historically important. It does not help in the introduction of economically important plants.
So, the correct option is 'Museum helps in the introduction of economically important plants'.
India museum was established in
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1759
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1814
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1955
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1957
Explanation
India museum is the oldest museum in India. It was established in 1814. It is situated in West Bengal, India. It has collection of fossils, ornaments, antiques, armor and paintings. It comprises of six sections, namely Art, Archaeology, Anthropology, Geology, Zoology and Economic Botany.
Thus, the correct answer is option B.
A person skilled in taxidermy is called as
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Taxonomist
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Taxidermist
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Archeologist
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Scientist
Explanation
Taxidermy is the art of preparing, stuffing, and mounting the skins of animals for display or for other sources of study. It can be done on all vertebrate species of animals and invertebrate species including insects and arachnids and the person skilled in this is called as taxidermist.
So, the correct answer is option B.
Which of the following is the largest museum in India
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National museum
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The prince of wales museum
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Indian museum
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Salarjung museum
Explanation
The Indian Museum is the largest and oldest museum in India. It was founded by the Asiatic Society of Bengal in Kolkata in the year 1814 and has rare collections of antiques, armour and ornaments, fossils, skeletons, mummies, and Mughal paintings.
So, the correct answer is option c
.
Where was the first museum built in India?
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Delhi
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Mumbai
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Kolkata
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Hyderabad
Explanation
The first museum built was Indian Museum in Kolkata was founded in 1814 within the Asiatic Society Building. The museum was opened to public in 1878. It houses over 60 galleries and is divided into six prime sectors.
So, the correct answer is option C.
Prince of wales museum is located in
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Mumbai
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Kolkata
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London
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Italy
Explanation
Prince of Wales Museum is the main museum in Mumbai, Maharashtra. It was founded in the early years of the 20$$_th$$ century by prominent citizens of Mumbai, with the help of the government, to commemorate the visit of the Prince of Wales.
So, the correct answer is option A.
Which of the following precaution should be taken while in the museum?
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Should not touch any objects.
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Should not make noise.
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Make a note of important exhibit.
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All of the above.
Explanation
The following precaution should be taken while in the museums:
The objects should not be touched as museum professionals handle objects for research purposes and are valuable, touching may cause damage or deterioration of the object.
There should be no noise as noisy museums create disturbances to the visitors who generally come for knowledge purposes.
One should make a note as museums are endowed with unique information which can be beneficial.
So, the correct answer is option D.
Which of the following taxonomic method is used to explain about the fossils
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Cytotaxonomy
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Paleobiology
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Phenetic taxonomy
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None of the above
Explanation
Paleobiology is a branch of Paleontology that deals with the biology of fossils of organisms, both plants and animals. It takes information from geology, paleontology and biology.
So, the correct answer is, 'Paleobiology'.
The standard size of herbarium sheet is
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42 cm, 29 cm
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41 cm, 29 cm
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41 cm, 28 cm
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40 cm, 30 cm
Explanation
A herbarium is a collection of dried plant specimens carefully preserved and labelled. Plant collections are essential for taxonomic researchers because they serve as voucher specimens. They also help to identify the family. Once mounted and deposited in the herbarium, the collections are referred to as herbarium specimens. M
ounting is the process by which a specimen is attached to an herbarium sheet and a label affixed to the lower right corner. Specimens are mounted on sheets of standard size herbarium paper 42 cm x 29 cm.
So, the correct answer is option A.
All the cats in the world belong to ........... same species.
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Panthera leo
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Panthera tigris
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Panthera pardus
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Phelis domestics
Explanation
Phelis domestics
or
Felis catus
is the common species of cats. The cats which are found in the whole world are categorized in the same group. These are hairy and carnivorous animals. These are commonly domesticated as pets in houses.
Thus, the correct answer is option D.
The term "Biosystematics" was coined by
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Camp and Gily
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Engler and Prantle
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Bentham and Hooker
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Carolus Linnaeus
Explanation
Biosystematics is the field that deals with the classification and relationship of the organisms with respect to evolution.
The term biosystematics was coined by Camp and Gily in the year 1943. It is necessary to study the biosystematics of any organism to know about the ancestors and the relationship of the organism with the pre-existing animals.
Thus, the correct answer is option A.
Which of the following is represented by perfect identity?
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1
0%
0
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-1
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None of the above
Identify the incorrect statement.
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Key is a taxonomic aid for identification of specimens
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Herbarium houses dried, pressed and preserved plant specimens
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Botanical gardens have collection of living plants for reference
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A museum has collection of photographs of plants and animals
Match List-I with List-II and select the correct answer using the code given below the Lists:
List-I (Region)
List-II (Characteristic vegetation)
A.
Selvas
1.
Tropophytes
B.
Savanna
2.
Mosses and lichens
C.
Tundra
3.
Epiphytes
D.
Monsoon land
4.
Grasses and trees
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A-3, B-2, C-4, D-1
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A-1, B-4, C-2, D-3
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A-1, B-2, C-4, D-3
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A-3, B-4, C-2, D-1
Explanation
Selvas is a tropical rain forest. It has characteristic vegetation as tall broad-leaved evergreen trees, epiphytes and lianas. Savanna is a mixed-grass ecosystem. The characteristic vegetation in this area is grasses such as red oats grass, star grass, lemon grass, some shrubs. Apart from grasses, it also has tress like pine trees, palm trees, etc. Tundra is the coolest biome. It has characteristic vegetation mainly as grasses, shrubs, mosses and lichens. Monsoon land has characteristic vegetation as tropophytes. These plants act as a hygrophyte in one season and xerophytes in other season. They shed their leaves in the dry season.
Thus, the correct answer is 'A-3, B-4, C-2, D-1.'
The largest collection of herbarium in India is
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Central National Herbarium, Kolkata
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Southern Circle Herbarium, Coimbatore
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Central Circle Herbarium, Allahabad
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Blatter Herbarium, Mumbai
Explanation
In India, the largest herbarium is the Central National Herbarium (CNH) located on the banks of Hooghly river in Kolkata. It has around 2 million plant species. It is one of the largest herbaria in the world and has plant collections not only from India but also from other parts of the world
So, the correct answer is '
Central National Herbarium, Kolkata'
Arrange the following in the ascending order of Linnaean hierarchy.
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Kingdom- Order- Species- Genus- Class- Family- Phylum
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Kingdom- Family- Genus- Species- Class- Phylum- Order
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Kingdom- Phylum- Class- Order- Family- Genus- Species
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Species- Genus- Family- Order- Class- Phylum- Kingdom
Explanation
Taxonomy is the branch of biology that deals with the identification and classification of organisms.
Carolus Linnaeus is the father of taxonomy. He classified organisms from domain to species level of organization based on their characteristics. The broadest category is the domain. Species is the most basic level of classification. Thus the correct answer is option D.
What is trait for individuals of same species?
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Live in same niche
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Live in same habitat
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Interbreeding
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Live in different habitat
Explanation
Species is the group of the organism which is closely related and is able to interbreed. They are the group of fertile offspring. They actively participate in the exchange of genes. They have immense potential of sexual reproduction which leads to genetic recombination and change in gene frequency which leads to gene drift.
So, the correct answer is option C.
Hierarchy of categories was introduced by
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Linnaeus
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De Candolle
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Bauhin
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John Ray
Explanation
Taxonomic hierarchy is the process of arranging various groups, class and other categories into successive levels of the biological classification. Taxonomic Hierarchy Categories were introduced by Linnaeus.
The correct hierarchy of classification of various taxons in descending order is given as
Kingdom
→ Phylum → Class → Order → Family → Genus → Species
So, the correct option is 'Linnaeus'.
Number of obligate categories is
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9
0%
7
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5
0%
3
Explanation
The number of obligate categories while describing taxonomical hierarchy is 7. The correct hierarchy of classification of various taxons in descending order is given by
Kingdom
→ Phylum → Class → Order → Family → Genus → Species.
So, the correct option is '7'.
Species is a
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Group immediately below a phylum
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Closely related interbreeding population
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Taxonomic division of similar genera
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Closely related non-breeding population
Explanation
Species is a closely related interbreeding population which can easily exchange the genes. In a binomial nomenclature, the first part of a binomial is the genus to which the species belongs and the second part is called the specific name. The formation of distinct species during evolution is known as speciation.
So, the correct answer is option B.
A genus with a single species is
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Monotypic
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Typical
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Atypical
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Polytypic
Explanation
A genus comprising of only one species is termed a monotypic genus. It is a special case where a genus and a single species are simultaneously described. Example: The madrone butterfly is the only species in the monotypic genus Eucheira.
So, the correct answer is option A.
Two organisms with different corerelated morphological characters belongs to
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One biological species
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One taxonomic species
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Two biological species
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Two taxonomic species
Explanation
Since the given species only share correlated morphological characters, they cannot be considered as a biological species as they cannot interbreed' to produce fertile offsprings.
Taxonomic species are defined as 'A natural taxon in classification has an invariant generalized or idealized pattern shared by all members of the group'.
So, the correct option is 'Two taxonomic species'.
Holotype is a specimen
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Nomenclature type used by author
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Nomenclature type when the original is missing
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Nomenclature type when the lectotype is missing
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Synonym of paratype
Explanation
A holotype is the original sample of species collected by the collector/author and is formally described.
Botanists on obtaining a holotype, identify it's characters to classify the species accordingly. After studying the characters of the species, the botanists describe the species accordingly.
So, the correct option is 'Nomenclature type used by author'.
Isotype is a specimen
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Duplicate of holotype
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Described along with holotype
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Nomenclature type when the original is missing
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Cited by author when there is no holotype
Explanation
A holotype is an original specimen used in herbarium sheet.
An Isotype is referred
to as the duplicate specimen of the holotype.
A paratype
is a specimen described along with holotype.
A lectotype
is cited by
the author
when there is no holotype.
So, the correct option is 'Duplicate of holotype'.
Lectotype is
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Duplicate of holotype.
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Specimen described along with holotype.
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Specimen cited by author without making one hlotype.
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Specimen cited by author from original material for nomenclature type when there is no holotype.
Explanation
Lectotype refers to the new specimen selected among the original material collected to serve as holotype when the author didn't designate a holotype. It means the type which is declared later from the original material if the type specimen is not described, missing or damaged.
So, the correct option is 'Specimen cited by the author from original material for nomenclature type when there is no holotype'.
Which is not a category?
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Ecotype
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Species
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Genus
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Order
Explanation
The 7 different obligate taxonomic categories according to their hierarchy are
Kingdom → Phylum → Class → Order → Family → Genus → Species.
An ecotype is a genetically different variety within species that is adapted to specific environmental conditions.
So, the correct option is 'Ecotype'.
Related species which are reproductively isolated but morphologically similar are called
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Allopatric
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Sympatric
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Sibling
0%
Morphospecies
Explanation
1. Allopatric species are those that have evolved in the course of time due to geographical separation between the two populations of the same species.
2. Sympatric species are those that have evolved from the ancestors that are existing in the same geographical area for a long period of time. There is no reproductive isolation of species observed in sympatric speciation.
3. Sibling species
are morphologically similar, sometimes even indistinguishable by appearance, but nevertheless are reproductively isolated from one another leading to interesterify.
4. Morphospecies
are groups of individuals that are morphologically similar and
clearly distinguishable from individuals of other groups.
So, the correct option is 'Sibling'.
Neontological species is
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Species belonging to particular area
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Species of a particular time
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Living species
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Both A and B
Explanation
Neontological species are those species which are present in the living world. It is in contrast to paleontological species which includes the study of species that existed years ago.
So, the correct option is 'Living species'.
Species belonging to different time periods are
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Allochronic species
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Parapatric species
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Synchronic species
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Allopatric species
Explanation
1. Allochronic species: Those species that do not occur in the same geological period.
2. Parapatric species: The species evolved in geographically adjacent populations due to evolution.
3. Synchronic species: Those species that occur in the same geological period.
4. Allopatric species: The species formed by the geographic isolation of two or more populations.
So, the correct option is 'Allochronic species'.
All the species of a genus possess same
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Ancestry
0%
Karyotype
0%
Anatomy
0%
Genetics
Explanation
A species is a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. The species is the principal natural taxonomic unit, ranking below a genus.
Hence All the species of a genus possess the same ancestry. This is the the reason for their close similarities. For example, genus equals has many species like Cabelas for the horse; vulgaris the ass zebra.
So, the correct answer is 'Ancestry'.
Biospecies is based on
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Cytological traits
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Reproductive isolation
0%
Genetic isolation
0%
Both B and C
Explanation
The most accepted definition of biological species (Biospecies) was given by Ernst Mayr. He defined the species in terms of interbreeding. According to him, the species includes various groups of freely interbreeding natural populations isolated reproductively from such other groups. This leads to genetic isolation and thus speciation.
So, the correct option is 'Both B and C'.
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