MCQ Questions for Class 9 Science Chapter 7 Diversity in Living Organisms
Q.1. Which of the following is the largest phylum?
(A) Arthropoda
(B) Annelida
(C) Mollusca
(D) Coelenterate.
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Answer: (A)Q.2. Basic taxonomic category is
(A) Population
(B) Species
(C) Variety
(D) Breed
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Answer: (B)Q.3. Amoeba has a contractile vacuole for
(A) Osmoregulation
(B) Storage
(C) Turgidity
(D) Gaseous exchange
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Answer: (A)Q.4. Who has proposed two kingdom classification?
(A) R. Whittaker
(B) Carolus Linnaeus
(C) Schimper
(D) Eichler
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Answer: (B)Q.5. Sex organs are unicellular and non-jacketed in
(A)Algae
(B)Bryophyta
(C) Pteridophyta
(D)Gymnosperms
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Answer: (A)Q.6. Which of the following has two chambered hearts?
(A) Toad
(B) Lizard
(C) Ostrich
(D) Rohu
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Answer: (D)Q.7. Air bladder is present in
(A) Bony fishes
(B) Cartilaginous fishes
(C) Toad
(D) Snake
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Answer: (A)Q.8. In which group of animals, coelomis filled with blood?
(A) Arthropoda
(B) Annelida
(C) Nematoda
(D) Echinodermata
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Answer: (A)Q.9. Elephantiasis is caused by
(A) Wuchereria
(B) Pinworm
(C) Planarians
(D) Liver flukes
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Answer: (A)Q.10. Pteridophytes do not have
(A) Root
(B) System
(C) Flowers
(D) Leaves
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Answer: (C)Q.11. Which is not an aquatic animal?
(A)Hydra
(B) Jellyfish
(C) Corals
(D)Filaria
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Answer: (D)Q.12. Amphibians do not have the following:
(A) Three chambered heart
(B) Gills or lungs
(C) Scales
(D) Mucus glands
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Answer: (C)Q.13. Two chambered heart occurs in
(A) Crocodiles
(B) Fish
(C) Aves
(D) Amphibians
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Answer: (B)Q.14. One of the following is not an Annelid
(A) Nereis
(B) Earthworm
(C) Leech
(D) Urchins
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Answer: (D)Q.15. Spirogyra is
(A) Rounded colonial
(B) Unbranched filament
(C) Branched filament
(D) Flat thallus
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Answer: (B)Q.16. Fungi are characterised by
(A) Mycelium and hyphae
(B) Chitin containing wall
(C) Glycogen as food reserve
(D) All the above
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Answer: (D)Q.17. Fern differs from moss in having
(A) Independent gametophyte
(B) Parasitic gametophyte
(C) Independent sporophyte
(D) Dependent sporophyte
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Answer: (C)Q.18. A tree of Pinus bears
(A) Either male cones or female cones
(B) Both male and female cones
(C) Neither male nor female cones
(D) Flowers
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Answer: (B)Q.19. Male cones of pinus bear
(A) Three types of scales
(B)Two types of scales
(C)One type of scales called microporophylls
(D)Two types, microsporophylls and sterile
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Answer: (C)Q.20. Angiosperms are also called
(A) Seed plants
(B)Vascular plants
(C) Flowering plants
(D) Fruit plants
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Answer: (C)Q.21. Earthworm belongs to phylum
(A) Annelida
(B) Arthropoda
(C) Nematoda
(D) Mollusca
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Answer: (A)Q.22. Fish has
(A) Boat shaped body
(B)Lateral line organs
(C) Both A and B
(D)Ventral nerve cord
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Answer: (C)Q.23. Fish belongs to phylum
(A) Chordata
(B)Vertebrata
(C) Pisces
(D)Echinodermata
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Answer: (A)Q.24. Wings of bird are formed of
(A) Fore limbs
(B)Hindlimbs
(C)Bony plates
(D)Skin extensions
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Answer: (A)Q.25. Birds walk and perch over their
(A) Legs
(B) Hind-limbs
(C) Both A and B
(D) Fore-limbs
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Answer: (C)Q.26. A branch of biology which deals with the identification, nomenclature and classification of organisms is called
(A) Morphology
(B) Ecology
(C) Taxonomy
(D) Phytogeography
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Answer: (C)Q.27. Who is known as father of taxonomy?
(A) Mendel
(B) Linnaeus
(C) Darwin
(D) Crick
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Answer: (B)Q.28. The smallest taxon is
(A) Class
(B) Order
(C) Species
(D) Genus
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Answer: (C)Q.29. The ‘Origin of Spedes’ is written by:
(A) Unnaeus
(B) Darwin
(C) Haeckel
(D) Whiaaker
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Answer: (B)Q.30. What is true in a scientific name?
(A) Specific name is written first
(B) Generic: name starts with small letter
(C) Generic name starts with capital alphabet while specific name starts with small letter
(D) It is written in English