Question

(PISA BASED QUESTION) Read the following passage carefully and answer the questions choosing the correct options: 1. Coral reefs are diverse underwater ecosystems. These are built by colonies of tiny animals found in marine waters that contain few nutrients. Tens of thousands of marine species live there. These include about one-third of all marine fish species. Coral reefs not only add incredible value as wildlife habitat, but also protect coastlines from storms and provide jobs worth billions to people around the world.2. Corals are ancient animals related to jellyfish. An individual coral is known as a polyp, a very small and simple organism. It has a tentacle-bearing mouth. Thousands of identical polyps live together in a coral colony. Each polyp excretes calcium carbonate and over long periods of time; many coral colonies add up to the structure of a coral reef. Many other species—fish, invertebrates, algae and microorganisms-make their homes on and around this reef. Reefs only occur in shallow areas that get sunlight. However, some coral reefs extend even deeper, up to about 450 feet deep. These reef-building corals are animals that act like plants. They stay in one place and get some of their energy from the sun. In India, coral reefs are located in Lakshadweep, the Andaman and Nicobar Islands, the Gulf of Kutch and the Gulf of Marwar. a) Coral reefs are found in……….
1 अंक
(i) lake water
(ii) river water
(iii) sea water
(iv)pond water
b) Corals are almost ………….. part of all the marine fish species.
1 अंक
(i) one-third.
(ii) one-fourth.
(iii) two-third.
(iv)two-fourth
c) An individual coral is known as……..
1 अंक
(i) poppy
(ii) poply
(iii) polyp
(iv)polyp
d) These reef building corals are :
1 अंक
(i) insects that act like plants
(ii) reptiles that act like plants
(iii) plants that act like animals
(iv)animals that act like plants
e) The correct synonym for the word ‘located’ is…..
1 अंक
(i) Local
(ii) Locality
(iii) Situated
(iv) Stand​

Answer 1

Answer:

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Explanation:

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