1. Select the incorrect match from the following sea animals with their characteristic feature.
(A) Man-eater of the tropical seas Great white sharks
(B) Second largest fish – Basking shark
(C) Small-toothed whales similar to dolphins with beak like jaws Humpback whales
(D) All of these
2. ‘Water hyacinth’ which is a free floating weed and infests India’s waterways choking off plants, fish and animal growth is a native of
(A) Australia
(B) France
(C) South America
(D) North America
3. Which of the following statements is/are correct?
i) Hydra has a number of cilia around its mouth.
(ii) Frog uses its long, sticky tongue to catch insects.
(iii) Mosquito sucks up the blood of animals with its tentacle.
(A) (i) and (iii) only
(B) (i) only
(e) (ii) only
(D) (ii) and (iii) only
4. This animal is completely blind but can pick both chemical and electrical signals via receptors present on its entire body.
Identify the animal.
(A) Snake caterpillar
(B) Olm
(C) Satanic leaf-tailed gecko
(D) Gila monster
5. Which of the following statements is/are incorrect?
(i) The poison glands that secrete a deadly poison in poison arrow frogs are located in their tongue.
(ii) A hognose snake pretends as dead to trick the predator.
(iii) Seals have a thick deposition of fat, called blubber that protects them from the cold.
(iv) Cockroach has a flattened body shape that helps it to crawl between crevices and spaces easily.
(A) (i) only
(B) (iii) and (iv) only
(C) (iii) only
(D) (ii) and (iii) only
Answer Key
1. C
2. C
3. C
4. B
5. A
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