Civil Services Prep

Prelims 2019 · Environment · Question 68

Consider the following statements:

  1. Some species of turtles are herbivores.
  2. Some species of fish are herbivores.
  3. Some species of marine mammals are herbivores.
  4. Some species of snakes are viviparous.

Which of the statements given above are correct?

  1. 1 and 3 only
  2. 2, 3 and 4 only
  3. 2 and 4 only
  4. 1, 2, 3 and 4

Answer

1, 2, 3 and 4

  1. Some turtles are herbivores — Correct. Green sea turtle adults are largely herbivorous, feeding mainly on seagrasses and algae.

  2. Some fish are herbivores — Correct. Many fish such as parrotfish and surgeonfish feed primarily on algae or aquatic plants.

  3. Some marine mammals are herbivores — Correct. Dugong and manatee are marine mammals that graze on seagrass.

  4. Some snakes are viviparous — Correct. Several snakes, including boas and vipers, give birth to live young.

Hence, all four statements are correct.

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