Monday, May 8, 2023

NCERT Exampler MCQ Ch-7 DIVERSITY IN LIVING ORGANISMS

 1. Find out incorrect sentence

(a) Protista includes unicellular eukaryotic organisms

(b) Whittaker considered cell structure, mode and source of nutrition for

classifying the organisms in five kingdoms

(c) Both Monera and Protista may be autotrophic and heterotrophic

(d) Monerans have well defined nucleus

2. Which among the following has specialised tissue for conduction of water?

(i) Thallophyta

(ii) Bryophyta

(iii) Pteridophyta

(iv) Gymnosperms

(a) (i) and (ii)

(b) (ii) and (iii)

(c) (iii) and (iv)

(d) (i) and (iv)

3. Which among the following produce seeds?

(a) Thallophyta

(b) Bryophyta

(c) Pteridophyta

(d) Gymnosperms

4. Which one is a true fish?

(a) Jellyfish

(b) Starfish

(c) Dogfish

(d) Silverfish

5. Which among the following is exclusively marine?

(a) Porifera

(b) Echinodermata

(c) Mollusca

(d) Pisces

6. Which among the following have open circulatory system?

(i) Arthropoda

(ii) Mollusca

(iii) Annelida

(iv) Coelenterata

(a) (i) and (ii)

(b) (iii) and (iv)

(c) (i) and (iii)

(d) (ii) and (iv)

7. In which group of animals, coelom is filled with blood?

(a) Arthropoda

(b) Annelida

(c) Nematoda

(d) Echinodermata

8. Elephantiasis is caused by

(a) Wuchereria

(b) Pinworm

(c) Planarians

(d) Liver flukes

9. Which one is the most striking or (common) character of the vertebrates?

(a) Presence of notochord

(b) Presence of triploblastic condition

(c) Presence of gill pouches

(d) Presence of coelom

10. Which among the following have scales?

(i) Amphibians

(ii) Pisces

(iii) Reptiles

(iv) Mammals

(a) (i) and (iii)

(b) (iii) and (iv)

(c) (ii) and (iii)

(d) (i) and (ii)

11. Find out the false statement

(a) Aves are warm blooded, egg laying and have four chambered heart

(b) Aves have feather covered body, fore limbs are modified as wing and

breathe through lungs

(c) Most of the mammals are viviparous

(d) Fishes, amphibians and reptiles are oviparous

12. Pteridophyta do not have

(a) root

(b) stem

(c) flowers

(d) leaves

13. Identify a member of porifera

(a) Spongilla

(b) Euglena

(c) Penicillium

(d) Hydra

14. Which is not an aquatic animal?

(a) Hydra

(b) Jelly fish

(c) Corals

(d) Filaria

15. Amphibians do not have the following

(a) Three chambered heart

(b) Gills or lungs

(c) Scales

(d) Mucus glands

16. Organisms without nucleus and cell organelles belong to

(i) fungi

(ii) protista

(iii) cyano bacteria

(iv) archae bacteria

(a) (i) and (ii)

(b) (iii) and (iv)

(c) (i) and (iv)

(d) (ii) and (iii)

17. Which of the following is not a criterion for classification of living organisms?

(a) Body design of the organism

(b) Ability to produce one’s own food

(c) Membrane bound nucleus and cell organelles

(d) Height of the plant

18. The feature that is not a characteristic of protochordata?

(a) Presence of notochord

(b) Bilateral symmetry and coelom

(c) Jointed legs

(d) Presence of circulatory system

19. The locomotory organs of Echinodermata are

(a) tube feet

(b) muscular feet

(c) jointed legs

(d) parapodia

20. Corals are

(a) Poriferans attached to some solid support

(b) Cnidarians, that are solitary living

(c) Poriferans present at the sea bed

(d) Cnidarians that live in colonies

21. Who introduced the system of scientific nomenclature of organisms

(a) Robert Whittaker

(b) Carolus Linnaeus

(c) Robert Hooke

(d) Ernst Haeckel

22. Two chambered heart occurs in

(a) crocodiles

(b) fish

(c) aves

(d) amphibians

23. Skeleton is made entirely of cartilage in

(a) Sharks

(b) Tuna

(c) Rohu

(d) None of these

24. One of the following is not an Annelid

(a) Nereis

(b) Earthworm

(c) Leech

(d) Urchins

25. The book Systema Naturae was written by

(a) Linnaeus

(b) Haeckel

(c) Whittaker

(d) Robert Brown

26. Karl Von Linne was involved with which branch of science?

(a) Morphology

(b) Taxonomy

(c) Physiology

(d) Medicine

27. Real organs are absent in

(a) Mollusca

(b) Coelenterata

(c) Arthropoda

(d) Echinodermata

28. Hard calcium carbonate structures are used as skeleton by

(a) Echinodermata

(b) Protochordata

(c) Arthropoda

(d) Nematoda

29. Differentiation in segmental fashion occurs in

(a) Leech

(b) Starfish

(c) Snails

(d) Ascaris

30. In taxonomic hierarchy family comes between

(a) Class and Order

(b) Order and Genus

(c) Genus and Species

(d) Division and Class

31. 5-Kingdom classification has given by

(a) Morgan

(b) R. Whittaker

(c) Linnaeus

(d) Haeckel

32. Well defined nucleus is absent in

(a) blue green algae

(b) diatoms

(c) algae

(d) yeast

33. The ‘Origin of Species’ is written by

(a) Linnaeus

(b) Darwin

(c) Hackel

(d) Whittaker

34. Meena and Hari observed an animal in their garden. Hari called it an insect while Meena said it was an earthworm. Choose the character from the following which confirms that it is an insect.

(a) Bilateral symmetrical body

(b) Body with jointed legs

(c) Cylindrical body

(d) Body with little segmentation

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