CBSE Questions for Class 11 Medical Biology Plant Kingdom Quiz 12 - MCQExams.com

Which one of the is a fatty acid polyester?
  • Agar
  • Lignin
  • Pectin
  • Suberin
Which one of the following algae is reported to produce an antibiotic?
  • Nostoc
  • Ectocarpus
  • Chlamydomonas
  • Chlorella
Which of the following pairs are correctly matched?
a. Fertile spike - Ophioglossum
b. Sporangiophore - Equisetum
c. Synangium - Psilotum
Select the correct answer using the codes given.
  • $$2$$ and $$3$$
  • $$1$$ and $$2$$
  • $$1$$ and $$3$$
  • $$1, 2$$ and $$3$$
In angiosperms normally after fertilization.
  • The zygote divides earlier than the primary endosperm nucleus
  • The primary endosperm nucleus divides earlier than the zygote
  • Both the zygote and primary endosperm nuclei divide simultaneously
  • Both the zygote and primary endosperm nuclei undergo a resting period
Consider the following characteristic features of plants.
a. Naked ovules
b. Double fertilization
c. Absence of tracheids
d. Haploid endosperm
Which of the above are present in the case of gymnosperms?
  • $$1$$ and $$4$$
  • $$1$$ and $$3$$
  • $$1$$ and $$2$$
  • $$2$$ and $$4$$
Match List-I with List-II and select the correct answer.
List-I(Plant)List-II(Stellar type)
a. Lycopodium$$1$$. Dictyostele
b. Rhynia$$2$$. Haplostele
c. Marsilea$$3$$. Solenostele
d. Polypodium$$4$$. Plectostele
  • A-$$4$$, B-$$2$$, C-$$3$$, D-$$1$$
  • A-$$2$$, B-$$3$$, C-$$4$$, D-$$1$$
  • A-$$2$$, B-$$3$$, C-$$1$$, D-$$4$$
  • A-$$4$$, B-$$2$$, C-$$1$$, D-$$4$$
Edible, freshwater algae would includes _________. 
  • Porphyra and Chorella
  • Spirulina and Lancunaria
  • Microcystis and Chondrus
  • Chlorella and Spirulina
If a leaf cell of gymnosperm plant has $$24$$ chromosomes, then its endosperm cell would contain ______________.
  • $$24$$ chromosomes
  • $$36$$ chromosomes
  • $$12$$ chromosomes
  • $$48$$ chromosomes
Which one of the following species of Cycas is NOT found growing naturally in India?
  • C revolute
  • C beddomei
  • C circinalis
  • C siamensis
Agar-agar is extracted mostly from ______________.
  • Agaricus sp.
  • Argemone sp.
  • Rhodophyceae sp.
  • Phaeophyceae sp.
Flowers of Casuarina exhibit.
  • Porogamy
  • Mesogamy
  • Chalazogamy
  • Apogamy
Which one of the following liverworts was discovered in India.
  • Sewardiella
  • Wiesnerella
  • Gollaniella
  • Riella
During the glyoxylate cycle, four-carbon oxaloacetate is generated from two carbon acetate. The correct sequence in which the intermediate compounds appear from citrate is?
  • Citrate, succinate, fumerate, glyoxylate
  • Citrate, fumerate, glyoxylate, malate
  • Citrate, isocitrate, glyoxylate, malate
  • Citrate, isocitrate, malate, glyoxylate
If the root cell of a pteridophyte contains 10 chromosomes, then the chromosome number in indusium, sperm mother cell and spore mother cell are respectively.
  • 10,5,10
  • 10,5,5
  • 10,10,10
  • 5,10,10
Diploxylic vascular bundles are found in ____________.
  • Cycas
  • Selaginella
  • Dryopteris
  • Funaria
Which of the following is the common character between algae and bryophyta?
  • They are autotrophic.
  • Vascular tissue is absent.
  • Gametophyte is the main plant body.
  • All of the above
Which one of the following pairs is correctly matched?
  • Cycas- Presence of female cones
  • Taxus- Presence of resin canals
  • Ephedra- Occurrence of double fertilization
  • Gnetum- Presence of monophonic female gametophyte
Gnetum resembles angiosperms in showing which one of the following types of female gametophyte development?
  • Monophonic
  • Bishopric
  • Endymion
  • Tetrasporic
In liverworts _________________.
  • Growth and reproduction are mutually inclusive events
  • Growth and reproduction are mutually exclusive events
  • Asexual reproduction occurs by mitospores
  • Both (1) and (3)
Which of the following Angiosperm families possess vessels in the wood?
Magnoliaceae
Degeneriaceae
Winteraceae
Annonaceae
Select the correct answer.
  • $$1, 2$$ and $$3$$
  • $$1, 3$$ and $$4$$
  • $$1, 2$$ and $$4$$
  • $$2$$ and $$4$$
Choose the correct answers from the alternatives given.
Red algae differ from green algae and brown algae in having:
  • no chlorophyll a
  • no differentiated cells
  • hemoglobin within their cells
  • no flagellated stages in their life cycles
Algae have cell wall made up of _______________.
  • Cellulose, galactans and manna
  • Hemicellulose, pectins and proteins
  • Pectins, cellulose and proteins
  • Cellulose, hemicellulose and pectins
Carrageenin is obtained from ______________.
  • Batrachospermum
  • Chondrus
  • Sargassum
  • Ulva
Gametophytic plant body is nonvascular in
  • Algae and liverworts
  • Mosses and ferns
  • Gymnosperms and angiosperms
  • All of these
Which of the following pigments do species of Chlorophyta share with higher plants?
  • Chlorophyll a
  • Chlorophyll b
  • Chlorophyll c
  • Both A and B
Choose the correct answers from the alternatives given.
A major difference between algae and most fungi is that the former possess:
  • haustoria
  • chloroplasts
  • cellulosic cell walls
  • both chloroplasts and cellulosic cell walls
Which one of the following characteristics is found in all fungi but not in all bacteria?
  • Aerobic respiration
  • Cell wall
  • Spore formation
  • A long circular DNA lying loose in the cytoplasm.
Go through the following statements
I. Cycas has largest ovule, sperm and male cone
II. Selaginella has ligule
III. Algae will be the source of future food
IV. Cycas does not have a well organized female flower
V. It becomes quite evident that Selaginella has considerably advanced towards the seed habit in a few species its approach to the true seed is not complete.
How many statement(s) is/are correct?
  • 1
  • 2
  • 3
  • 4
The megaspore of a conifer, which is never released from the sporangium, divides by mitosis to produce a:
  • Male gametophyte
  • Female gametophyte
  • Multicellular embryo
  • Pollen grain
State whether the following statement is true or false.
Bryophytes are amphibians of the plant kingdom.
  • True
  • False
State whether the following statements are true or false.
Motile reproductive bodies are completely absent in Rhodophyta.
  • True
  • False
Of the following, the most recent ancestors of vascular plants were probably
  • Mosses
  • Red algae
  • Pteridophyte
  • Green algae
The main function of the pyrenoid is:
  • chlorophyll production
  • synthesis of carbohydrate
  • eliminating excess water
  • to be a photoreceptor to detect light
A heterosporous plant is one that:
  • Produces a gametophyte that bears both sex organs.
  • Produces microspores and megaspores giving rise to separate male and female gametophytes.
  • Is a seedless vascular plant.
  • Produces two kinds of spores, one asexually by mitosis and one by meiosis.
Which of these is not a green alga?
  • Volvox
  • Fucus
  • Spirogyra
  • Chlamydomonas
 Identify the given figures of algae and select the correct option.
884474_38c02abccf2444f6bab10e766f805151.JPG
  • (A) - Fucus, (B) - Polysiphonia
  • (A) - Dictyota, (B) - Polysiphonia
  • (A) - Dictyota, (B) - Porphyra
  • (A) - Porphyra, (B) - Polysiphonia
The female sex organ in red algae is flask shaped and is known as 
  • Trichogyne
  • Carpogonium
  • Spermatium
  • Archegonium
Stone wort is common name of :-
  • Chara
  • Chlorella
  • Laminaria
  • Polysiphonia
System of classification that employs numerical data to evaluate similarities and differences is known as
  • cytotaxonomy
  • biosystematics
  • phenetics
  • chemotaxonomy
Which group of organisms is represented by the given figure? 

883480_fc31d1ab611b4154872e369ffda2ca1d.png
  • Diatoms
  • Dinoflagellates
  • Bacteria
  • Euglenoids
"Agar-agar" is obtained from :-
  • Green Algae
  • Red Algae
  • Brown Algae
  • Yellow green algae
Which of the following is not a moss?
  • Polytrichum
  • Sphagnum
  • Funaria
  • Riccia
Select the incorrect pair.
  • Numerical taxonomy - All observable characteristic
  • Cytotaxonomy - Cytological information
  • Chemotaxonomy - Chromosome number and structure
  • Cladistic taxonomy - Origin from a common ancestor
Read the given statements about algae and select the correct option.
(i) Plant body is thalloid.
(ii) They are largely aquatic.
(iii) Reproduction occurs by vegetative, asexual and sexual methods.
(iv) Chlamydomonas, Volvox and Ulothrix are the multicellular algae.
  • Statements (i) and (ii) are true
  • Statements (ii) and (iii) are true
  • Statements (i), (ii) and (iii) are true
  • All statements are true
Embryo is not formed in thallophyta due to:
  • Zygotic meiosis
  • Zygotic mitosis
  • Sporangial meiosis
  • Gametic meiosis
Match column I with column II and select the correct option from the codes given below.
Column IColumn II
A. Artificial system of classification(i) Bentham and Hooker
B. Natural system of classification(ii) Linnaeus
C. Phylogenetic system of classification(iii) Engler and Prantl
  • A-(ii), B-(i), C-(iii)
  • A-(i), B-(ii), C-(iii)
  • A-(iii), B-(ii), C-(i)
  • A-(iii), B-(i), C-(ii)
Phycoerythrin, chlorophyll a and chlorophyll d are characteristics, of
  • Phaeophyceae
  • Xanthophyceae
  • Chlorophyceae
  • Rhodophyceae
Agar-agar is commercially obtained from ______.
  • Green algae
  • Blue-green algae
  • Brown algae
  • Red algae
Phycoerythrin is present in
  • Euglena
  • Polysiphonia
  • Chlamydomonas
  • Fucus
Match column I with column II and select the correct option from the codes given below.
Column IColumn II
A. Food(i)Brown algae
B. Agar(ii)Porphyra, Laminaria
C. Algin(iii) Gelidium, Gracilaria
D. Carrageenin (iv)Red algae
  • A-(ii), B-(iii), C-(i), D-(iv)
  • A-(ii), B-(iii), C-(iv), D-(i)
  • A-(iii), B-(ii), C-(iv), D-(i)
  • A-(iii), B-(ii), C-(i), D-(iv)
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Practice Class 11 Medical Biology Quiz Questions and Answers