Animal Kingdom

Q1. In which one of the following sets of animals do all four give birth to young ones?

  1. Lion, bat, whale, ostrich.
  2. Platypus, penguin, bat, hippopotamus.
  3. Shrew, bat, cat, kiwi.
  4. Kangaroo, hedgehog, dolphin, loris.
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Ans-: 4. Kangaroo, hedgehog, dolphin, loris.

Q2. Radula is found in:

  1. Pila sp.
  2. Chiton sp.
  3. Lamellidens sp.
  4. Pinctada sp.
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Ans-: 1. Pila sp.

Q3. A larval stage occurs in the life history of all members of the group:

  1. Frog, lizard and cockroach.
  2. Ascaris, housefly and frog.
  3. Housefly, earthworm and mosquito.
  4. Butterfly, frog and mosquito.
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Ans: 4. Butterfly, frog, and mosquito.

Q4. Blood of Pheretima is:

  1. Blue with haemocyanin in corpuscles.
  2. Blue with haemocyanin in plasma.
  3. Red with haemoglobin in corpuscles.
  4. Red with haemoglobin in plasma.
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Ans: 4. Red with haemoglobin in plasma.

Q5. Fish which can be used in biological control of mosquitoes/ larvicidal fish is:

  1. Eel.
  2. Carp.
  3. Catfish.
  4. Gambusia.
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Ans: 4. Gambusia.

Q6. The flightless bird Cassowary is found in:

  1. Mauritius.
  2. Australia.
  3. New Zealand.
  4. Indonesia.
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Ans: 2. Australia.

Q7. Jelly fish belongs to class:

  1. Hydrozoa.
  2. Scyphozoa.
  3. Anthozoa.
  4. None of these.
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Ans: 2. Scyphozoa.

Q8. Gorilla, chimpanzee, monkeys and human belong to the same:

  1. Species.
  2. Genus.
  3. Family.
  4. Order.
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Ans: 4. order.

Q9. The clam nervous system is composed of:

  1. Labial palps.
  2. One pair of ganglia.
  3. Two pairs of ganglia.
  4. Three pairs of ganglia.
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Ans: 4. Three pairs of ganglia.

Q10. How many chambers are there in the heart of a crocodile?

  1. 2
  2. 3
  3. 4
  4. 5
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Ans: 3. 4

Q11. Star fish belongs to:

  1. Asteriodea.
  2. Ophiuroidea.
  3. Holothuroidea.
  4. Crinoidea.
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Ans: 1. Asteriodea.

Q12. Solenocytes and metanephridia are excretory organs of:

  1. Coelenterata and Mollusca.
  2. Platyhelminthes and Annelida.
  3. Aschelminthes and Annelida.
  4. Annelida and Arthropoda.
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Ans: 2. Platyhelminthes and Annelida.

Q13. Which one occurs in Echinodermata?

  1. Bilateral symmetry.
  2. Radial symmetry.
  3. Porous body.
  4. Soft skin.
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Ans: 2. Radial symmetry.

Q14. Given below are the pairs of animals and the phylum to which they belong. Which out of these is not a matching
pair and why?

  1. Pila (Apple snail) – Mollusca
  2. Anopheles (Mosquito) – Arthropoda
  3. Pheretima (Earthworm) – Aschelminthes
  4. Taenia (Tapeworm) – Platyhelminthes

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Ans: 3. Pheretima (Earthworm) – Aschelminthes.

Expalnation:
Pheretima (earthworm) – Aschelminthes is not a matching pair because Pheretima belongs to phylum Annelida and not to
Aschelminthes.

Q15. The long bones are hollow and connected by air passage. They are the characteristics of:

  1. Aves.
  2. Mammals.
  3. Reptilia.
  4. Land vertebrates.
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Ans: 1. Aves.

Q16. Apart from excretion what is another major function of kidneys in mammals?

  1. Reproduction.
  2. Blood filtration.
  3. Separation of waste.
  4. Osmoregulations.
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Ans: 1. Osmoregulations.

Q17. Which of the following pairs of animals has non glandular skin.

  1. Snake and Frog.
  2. Chameleon and Turtle.
  3. Frog and Pigeon.
  4. Crocodile and Tiger.
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Ans: 2. Chameleon and Turtle.

Explanation:
Chameleon and turtle belong to class-Reptilia and possess dry and non-glandular skin with scales, Frog, pigeon and tiger possess
modifications in their skin according to adaptations in their respective habitats.

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Q18. Which one of the following is an exotic Indian fish?

  1. Catla catla.
  2. Heteropneustes fossilis.
  3. Cyprinus caprio.
  4. Labeo rohita.
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Ans: 3. Cyprinus caprio.

Q19. In which of the following organisms sexes are not separate?

  1. Ascaris.
  2. Cockroach.
  3. Pheretima.
  4. Pila.
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Ans: 3. Pheretima.

Q20. Phylum that doesn’t have a true coelom is:

  1. Platyhelminthes.
  2. Annelida.
  3. Echinoderms.
  4. Arthropoda.
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Ans: 1. Platyhelminthes.

Q21. Which one of the following sets of animals share a four chambered heart?

  1. Amphibian, Reptiles, Birds.
  2. Crocodiles, Birds, Mammals.
  3. Crocodiles, Lizards, Turtles.
  4. Lizards, Mammals, Birds.
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Ans: 2. Crocodiles, Birds, Mammals.

Explanation:
Amphibians have three-chambered heart, while reptiles have incomplete four-chambered heart (except crocodiles). Crocodiles, birds
and mammals have complete, four-chambered heart.

Q22. Trachea of cockroach and mammal are similar in having:

  1. Paired nature.
  2. Non-collapsible walls.
  3. Ciliated inner lining.
  4. Origin from head.
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Ans: 2. Non-collapsible walls.

Q23. Given below are types of cells present in some animals. Which of the following cells can differentiate to perform
different functions?

  1. Choanocytes.
  2. Interstitial cells.
  3. Gastrodermal cells.
  4. Nematocytes.
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Ans: 2. Interstitial cells.

Explanation:
Interstitial cells can differentiate to perform different functions. Choanocytes are the characteristic cells of Porifera. Gastrodermal cells
and Nematocytes are found in Hydra.

Q24. Point out a non-parasite:

  1. Tapeworm.
  2. Mosquito.
  3. Leech.
  4. Sea anemone.
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Ans: 4. Sea anemone

Q25. Which of the following is a pseudocoelomate?

  1. Platyhelminthes.
  2. Aschelminthes.
  3. Mollusca.
  4. Hemi-chordates.
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Ans: 2. Aschelminthes.
Explanation:
Aschelminthes is a pseudocoelomate

Q27. Which one of the following animals possesses nerve cells but no nerves?

  1. Hydra.
  2. Tapeworm.
  3. Earthworm.
  4. Frog’s tadpole.
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Ans: 1. Hydra.

Q28. How many chambers are there in the heart of reptiles?

  1. 2
  2. 3
  3. 4
  4. 5
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Ans: 2. 3

Q29. An egg laying mammal is:

  1. Kangaroo.
  2. Platypus.
  3. Koala.
  4. Whale.
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Ans: 2. Platypus.

Q30. Bladderworm/cysticercus is the larval stage of:

  1. Tapeworm.
  2. Roundworm.
  3. Pinworm.
  4. Liver fluke.
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Ans: 1. Tapeworm.

Q31. Fluke infections are diseases of the _ in humans.

  1. Blood.
  2. Bile.
  3. Digestive tract.
  4. Lungs.
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Ans: 3. Digestive tract.

Q32. Which one of the following is not a living fossil?

  1. King crab.
  2. Sphenodon.
  3. Archaeopteryx.
  4. Peripatus.
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Ans: 3. Archaeopteryx.

Q33. Which kind of symmetry occurs in sea anemone?

  1. Bilateral.
  2. Radial.
  3. Asymmetry.
  4. None of these.
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Ans: 2. Radial.

Q34. Which one of the following is NOT a characteristic of phylum Annelida?

  1. Ventral nerve cord.
  2. Pseudocoelom.
  3. Segmentation.
  4. Closed circulatory system.
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Ans: 2. Pseudocoelom.

Q35. Which of the following organisms is having a two-chambered heart?

  1. Frog
  2. Cobra
  3. Shark
  4. Platypus.
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Ans: 3. Shark.

Q36. Bed Bugs contribute to the spread of:

  1. Typhoid.
  2. Yellow fever.
  3. Typhus.
  4. Trench fever.
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Ans: 3. Typhus.

Q37. Which type of excretion is present in fishes?

  1. Ammonotelic.
  2. Ureotelic.
  3. Urecotelic.
  4. None of these.
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Ans: 1. Ammonotelic.

Q38. What is the name of excretory organ in arthropoda?

  1. Flame cells.
  2. Nephridiano.
  3. Malpighian tubules.
  4. Kidneys.
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Ans: 3. Malpighian tubules.

Q39. Ascaris lumbricoides infection occurs through:

  1. Sole of uncovered feet.
  2. Contaminated cooked measly pork.
  3. Improperly cooked measly pork.
  4. From air through inhalation.
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Ans: 2. Contaminated cooked measly pork.

Q40. Earthworms are:

  1. Useful.
  2. Harmful.
  3. More useful than harmful.
  4. More harmful.
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Ans: 1. Useful.