CBSE Questions for Class 9 Biology Diversity In Living Organisms Quiz 6 - MCQExams.com

The disease filariasis is caused by the worm
  • Wuchereria bancrofti
  • Ancylostoma duodenale
  • Trichinella spiralis
  • Enterobius vermicularis
Which one of the following is not true for protochordates?
  • Presence of dorsal nerve cord
  • Tail behind the anal opening
  • Presence of gill slits
  • Presence of segmented body
Which one of the following is a unicellular algae?
  • Spirogyra
  • Monodus
  • Chlamydomonas
  • Vaucheria
Choose an animal which possesses an open circulatory system.
  • Hydra
  • Cockroach
  • Earthworm
  • Octopus
Animals showing highly repetitive segmented body-plan belong to
  • Cnidaria
  • Porifera
  • Annelida
  • Cephalochordata
In Spirogyra, special structures called as pyrenoids store
  • Proteins
  • Lipids
  • Starch
  • Glycerol
Lizards reproduce by
  • Laying eggs
  • Roots
  • Stems
  • Seeds
An egg laying mammal is
  • Cow
  • Whale
  • Platypus
  • Rat
The vertebrate animal which is not egg laying is:
  • fish
  • amphibian
  • reptile
  • mammal
A student observed a species and noticed the following characteristics in them. They have dry skin with scales, reproduce by laying eggs and respire through lungs. They are cold-blooded and have three chambered hearts. Which phylum this species might belong to?
  • Aves
  • Amphibia
  • Mammalia
  • Reptilia
Filariasis is known as elephantiasis because 
  • Infection mainly seen in elephants
  • Elephants are secondary hosts
  • Excessive enlargement of body parts like legs of elephants
  • Excessive enlargement of teeth
The life span of house spider is 
  • 3 - 4 years
  • 3 - 4 months
  • 3 - 4 week
  • 3 - 4 days
All mammals without any exception are characterised by
  • Viviparity and biconcave red blood cells
  • Extra-abdominal testes and a four-chambered heart
  • Heterodont teeth and 12 pairs of cranial nerves
  • A muscular diaphragm and milk producing glands
Choose the incorrect statement from the following.
  • Protista includes unicellular eukaryotic organisms.
  • Whittaker considered cells structure, mode of nutrition for classifying organisms into five kingdom.
  • Both monera and protista may be autotrophic and heterotrophic.
  • Monerans possess a well defined nucleus and cell wall.
An example for an animal that lives both on land and in water is:
  • Whale
  • Fish
  • Frog
  • Horse
An animal that is active during night time is 
  • Bat
  • Crow
  • Fish
  • Cow
An example of animal that belongs to Amphibia is 
  • Frog
  • Snake
  • Crocodile
  • Whale
The animals whose body is covered with hair are called as
  • Aves
  • Reptiles
  • Amphibians
  • Mammals
Multicellular organisms with pores are called
  • Protozoans
  • Poriferans
  • Arthropodans
  • Aves
Platyhelminthes are triploblastic animals.
  • True
  • False
A snake belongs to the class:
  • Amphibia
  • Reptilia
  • Mammalia
  • Aves
Which among the following disease is caused by Ascaris worms?
  • Filariasis
  • Ascariasis
  • Itching
  • None of the above
Roundworm belongs to 
  • Platyhelminthes
  • Annelida
  • Nemathelminthes
  • Coelenterata
Which among the following are the examples of Platyhelminthes?
  • Tapeworm
  • Liverfluke
  • Planaria
  • All of the above
Which among the following are the examples of Reptilia?
  • Snakes
  • Turtles
  • Lizards
  • All of the above
Elephantiasis is caused by:
  • Circular worms
  • Pinworms
  • Filarial worms
  • Flatworms
Funaria and Marchantia are examples of:
  • Thallophyta
  • Bryophyta
  • Pteridophyta
  • Phanerogams
What are the characteristics of phylum Annelida?
  • Body is triploblastic.
  • Body is segmented.
  • Body shows bilateral symmetry.
  • All of the above.
Which of the following are characteristics of phylum Nemathelminthes?
a) Their body is diploblastic 
b) They are mostly parasite. 
c) Their body shows radial symmetry.
d) They body is cylindrical.   
  • a, b
  • b, c
  • c, d
  • b, d
Which among the following is an example of an animal belonging to the phylum Nemathelminthes?
  • Ascaris
  • Pinworm
  • Hookworm
  • All of the above
Body of annelids is
  • Monoblastic
  • Diploblastic
  • Triploblastic
  • None of the above
Monera is the name of a subkingdom.
  • True
  • False
The five kingdom classification given by Whittaker includes which of the following kingdoms?
  • Monera
  • Protista
  • Animalia
  • All of the above
Choose the correct statements with respect to birds.
They are cold-blooded animals.
They are warm-blooded animals.
Their heart is four-chambered.
Their heart is three-chambered.
  • 1 and 3
  • 2 and 3
  • 1 and 4
  • 3 and 4
Which among the following organism has mammary glands for the production of milk to nourish their young ones?
  • Turtles
  • Owls
  • Parrots
  • Bats
Turtles respire through
  • Lungs
  • Gill slits
  • Both A and B
  • None of the above
Which of the following is an example of Arthropoda?
  • Prawns
  • Butterflies
  • Spiders
  • All of the above
Which among the following organisms belongs to Aves?
  • Turtle
  • Bat
  • Owl
  • Human
Which among the following organism is unisexual?
  • Roundworm
  • Polychaetes
  • Leech
  • Earthworm
All the animals of phylum Platyhelminthes and Nematoda are parasites.
  • True
  • False
Give the correct hierarchial classification of roundworms. 
  • Kingdom - Animalia

    Phylum - Annelida
  • Kingdom - Animalia

    Phylum - Platyhelminthes
  • Kingdom - Animalia

    Phylum - Nematoda
  • Kingdom - Animalia

    Phylum - Arthropoda
Select the correct correlation:
  • Platyhelminthes : Flatworm : : Nematoda : Roundworm.
  • Platyhelminthes : Roundworm : : Nematoda : Flatworm.
  • Arthropoda : Flatworm : : Nematoda : Roundworm.
  • All of the above.
Heart of bird is .......... chambered.
  • One
  • Two
  • Three
  • Four
Hemichordata posses .......... for respiration.
  • Lungs
  • Gill slits
  • Alveoli
  • None of the above
Heart of pisces is:
  • Two chambered.
  • Three chambered.
  • Four chambered.
  • With no chamber.
Which among the following is the characteristics feature of class Reptilia?
  • They are cold blooded animals
  • They have scales
  • Their heart is three chambered
  • All of the above
Pisces are _________ animals.
  • Warm-blooded
  • Cold-blooded
  • Invertebrate
  • Terrestrial
Turtles are .......... animals.
  • None of the above
  • Oviparous
  • Viviparous
  • Both A and B
What are amphibians?
  • Animals that live on land.
  • Animals that live in water.
  • Animals that can live in water as well as land.
  • All of the above.
Which among these is not an oviparous animal?
  • Human
  • Crocodile
  • Hen
  • Crow
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