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 )
