Class 9 Science Objective Chapter – 7 Diversity in Living organisms

Here we are providing Class 9 Science Objective Chapter – 7 Diversity in Living organisms because its very important for Class 9 students as we all know that every board exam question has MCQs so that students should practice these questions so that students can get good marks in board. Class 9 Science Objective Chapter – 7 Diversity in Living organisms is an extremely important and its also a year in which students learn the fundamentals of concepts that help them lay a solid foundation for their higher education. Here we are providing in Class Class 9 Science Objective Chapter – 7 Diversity in Living organisms 100+ questions  so that students practice more and more. If you want class wise Notes Then Click Here

Class 9 Science Objective Chapter – 7 Diversity in Living organisms

 

 1. The amphibians of plant kingdom are______

(a) Bryophytes

(b) Cryptogamae

(c) Pteridophytes

(d) Angiosperms

Ans – ( A )

 

2.Which among the following produce seeds?

(a) Thallophyta

(b) Bryophyta

(c) Pteridophyta

(d) Gymnosperms

Ans – ( D )

 

3. Reptiles are

( A ) warm-blooded

( B ) cold-blooded

( C ) both

( D ) none of them

Ans – ( B )

 

4.Which among the following have open circulatory system?

( A ) Arthropoda

( B ) Mollusca

( C ) Annelida

( D ) Coelenterata

(a) ( A ) and (ii)

(b) ( C ) and (iv)

(c) ( A ) and (iii)

(d) ( B ) and (iv)

Ans – ( A )

 

5. Ribbon-shaped and spiral chloroplast is present in_______

(a) Agaricus

(b) Spirogyra

(c) Chlamydononas

(d) Ulothrix

Ans – ( B )

 

6.Identify a member of porifera

(a) Spongilla

(b) Euglena

(c) Penicillium

(d) Hydra

Ans – ( A )

 

7. Mammals are

( A ) warm-blooded

( B ) cold-blooded

( C ) both

( D ) none of them

Ans – ( A )

 

8.Which is not an aquatic animal?

(a) Hydra

(b) Jelly fish

(c) Corals

(d) Filaria

Ans – ( D )

 

9. Algae and Fungi are in the division _________

(a) Viperidae

(b) Thallophyta

(c) Bryophyta

(d) All of the above

Ans – ( B )

 

10. ……………….. cells has membrane bound organelles

(a) Prokaryotic

(b) Eukaryotic

(c) cactus

(d) None of them

Ans – ( B )

 

11. Which among the following produce seeds?

( A ) Thallophyta

( B ) Bryophyta

( C ) Pteridophyta

( D ) Gymnosperms

Ans – ( D )

 

12.The book ‘Systema Naturae’ was written by

(a) Carolus Linnaeus

(b) Whittaker

(c) Haeckel

(d) None of them

Ans – ( A )

 

13. __________ have cell walls made of chitin

(a) Fungi

(b) Green plants

(c) Human foetus

(d)All of the above

Ans – ( A )

 

14. Among the following choose the correct option that best describes the characteristics of spirogyra.

( A ) Multicellular, auto trophic, root like rhizoids.

( B ) Cytoplasmic strands, autotrophic, presence of rhizome.

( C ) Presence of male cones, nonvascular, filaments.

( D ) Filamentous, presence of Cytoplasmic strands, presence of pyrenoids.

Ans – ( D )

 

15.  In which organisms, the structure of parapodia is present?

(a) Nereis

(b) Leech

(c) Earthworm

(d)  Octopus

Ans – ( A )

 

16. Which among the following is a common feature of chrodates?

(a) Presence of notochord

(b) Presence of triploblastic condition

(c) Presence of coelom

(d) Presence of gill pouches

Ans – ( A )

 

17. Who is considered the father of taxonomy?

( A ) Carolus Linnaeus

( B ) Robert Hooke

( C ) Leeuwenhoek

( D ) Schleiden

Ans – ( A )

 

18. Pyrenoids are the structures seen in_____

(a) Marchantia

(b) Cycas

(c) Spirogyra

(d) Funaria

Ans – ( C )

 

19. Which of the following organism is not triploblastic?

(a) Tapeworm

(b) Roundworm

(c) Jellyfish

(d) Liverfluke

Ans – ( C )

 

20. 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

Ans – ( C )

 

21. Naked ovules and naked seeds are the characteristic features of_______

(a) Pteridophytes

(b) Gymnosperms

(c) Angiosperms

(d) Dicotyledons

Ans – ( B )

 

22. Who proposed artificial system of classification

(a) John Ray

(b) Lamarck

(c) Linnaeus

(d) Wallace

Ans – ( C )

 

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

( A ) Arthropoda

( B ) Annelida

( C ) Nematoda

( D ) Echinodermata

Ans – ( A )

 

24.Which is the highest level of classification?

(a) Species

(b) Kingdom

(c) Genus

(d) Family

Ans – ( B )

 

25. 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

Ans – ( D )

 

26. Gymnosperms are kept under

( A ) Algae

( B ) Bryophyta

( C ) Tracheophyta

( D ) None of them

Ans – ( C )

 

27. Sound producing organ in birds is –

(a) Trachea

(b) Pneumatic bones

(c) Syrinx

(d) Plumage

Ans – ( C )

 

28. Seeds of pinus have__________

(a) Many cotyledons

(b) Two cotyledons

(c) One cotyledon

(d) No cotyledon

Ans – ( D )

 

29. 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

Ans – ( A )

 

30. In which phylum pseudocoelom is present ?

(a) Coelenterata

(b) Annelida

(c) Aschelminthes

(d) Mollusca

Ans – ( C )

 

31. Angiospermae is a division of kingdom Plantae. The main characteristic feature of angiosperms is_______

(a) Seeds are naked in fruits

(b) Seeds are covered with coats and are in fruits

(c) Fruits are without seeds

(d) Seeds are naked without fruits

Ans – ( B )

 

32. Which of the following organism shows the presence of jointed appendages?

(a) Pila

(b) Spider

(c) Sea-cucumber

(d) Chiton

Ans – ( B )

 

33. The amphibian animal is

( A ) Fish

( B ) Frog

( C ) Lizard

( D ) Bat

Ans – ( B )

 

34. Which of the following is a member of Phylum Echinodermata?

(a) Lionfish

(b) Starfish

(c) Jellyfish

(d) Sawfish

Ans – ( B )

 

35. Which among the following is a common feature of chrodates?

(a) Presence of notochord

(b) Presence of triploblastic condition

(c) Presence of coelom

(d) Presence of gill pouches

Ans – ( A )

 

36. Skeleton is made entirely of cartilage in

( A ) Sharks

( B ) Tuna

( C ) Rohu

( D ) None of these

Ans – ( A )

 

37. One of the following is not an Annelid.

(a) Nereis   

(b) Earthworm   

(c) Leech   

(d) Urchins

Ans – ( D )

 

38. Which adaptation of the frog differentiates it from the fish?

(a) Ability to live in water also

(b) Lays eggs in water

(c) Have a streamlined body

(d) Presence of mucous glands in the skin

Ans – ( A )

 

39. Pteridophyta do not have

( A ) root

( B ) stem

( C ) flowers

( D ) leaves

Ans – ( C )

 

40. Differentiation in segmental fashion occurs in_________

(a) Leech

(b) Starfish

(c) Snails

(d) Ascaris

Ans – ( A )

 

41. Who classified animals according to their habitat (air, water or land)?

(a) Socrates

(b) Aristotle

(c) Linnaeus

(d) Plato

Ans – ( B )

 

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

( A ) Thallophyta

( B ) Bryophyta

( C ) Pteridophyta

( D ) Gymnosperms

(a) ( A ) and (ii)

(b) ( B ) and (iii)

(c) ( C ) and (iv)

(d) ( A ) and (iv)

Ans – ( C )

 

43. Lack of a well-differentiated body design is the main feature of division

(a) Bryophyta

(b) Gymnosperms

(c) Thallophyta

(d) Pteridophyta

Ans – ( C )

 

44.Which one is a true fish?

(a) Jellyfish

(b) Starfish

(c) Dogfish

(d) Silverfish

Ans – ( C )

 

45.Which of the following is the characteristic feature of ferns?

(a) They have needle shaped leaves.

(b) They have male and female cones.

(c) They have rhizoids

(d) Their plant body is differentiated into root, stem and leaves.

Ans – ( D )

 

46.Which among the following is exclusively marine?

(a) Porifera

(b) Echinodermata

(c) Mollusca

(d) Pisces

Ans – ( B )

 

47. Biodiversity of a geographical region represents________

(a) Genetic diversity present in the dominant species of the region

(b) Species endemic to the region

(c) Endangered species found in the region

(d) The diversity in the organisms living in the region

Ans – ( D )

 

48.Which among the following have open circulatory system?

( A ) Arthropoda

( B ) Mollusca

( C ) Annelida

( D ) Coelenterata

(a) ( A ) and (ii)

(b) ( C ) and (iv)

(c) ( A ) and (iii)

(d) ( B ) and (iv)

Ans – ( A )

 

49. Plant embryos in seeds have structures called_________

 (a) Bryophyte

(b) Angiosperm

(c) Cryptogams

(d) Cotyledons

Ans – ( D )

 

50.Elephantiasis is caused by

(a) Wuchereria

(b) Pinworm

(c) Planarians

(d) Liver flukes

Ans – ( A )

 

51. Which of the following animals possess a vascular system?

(a) Starfish

(b) Hydra

(c) Jellyfish

(d) All of the above

Ans – ( A )

 

52.Which among the following have scales?

( A ) Amphibians

( B ) Pisces

( C ) Reptiles

( D ) Mammals

(a) ( A ) and (iii)

(b) ( C ) and (iv)

(c) ( B ) and (iii)

(d) ( A ) and (ii)

Ans – ( C )

 

53. Most paramecium move with the help of_______

(a) Villi

(b) Oral grove

(c) Cilia

(d) Stationary

Ans – ( C )

 

54.Find out the false statement.

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

(b) Aves have feather covered body, forelimbs are modified as wing and breathe through lungs.

(c) Most of the mammals are viviparous.

(d) Fishes, amphibians and reptiles are oviparous.

Ans – ( D )

 

55. In the five kingdom system of classification, Monera was divided into archaebacteria and eubacteria by________

(a) Woese

(b) Haeckel

(c) Whittaker

(d) Linnaeus

Ans – ( A )

 

56.Identify a member of porifera

(a) Spongilla

(b) Euglena

(c) Penicillium

(d) Hydra

Ans – ( A )

 

 

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