In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank. Whales and dolphins are (1) _________ to be very unusual creatures. Do you know they breathe air and are warm-blooded? The (2) ________ for them being warm-blooded is because of their belonging to the mammal group. They mostly eat other animals as their (3) ________. Most of these animals live in the sea. There are very rare and few dolphins in the world which (4) ________ in fresh water, rivers and lakes. These animals or marine mammals have many records to their (5) ________, the biggest animal in the world and the largest hunter. These mammals are some of the fastest, deepest, diving and cleverest creatures.
Select the most appropriate option to fill in blank no. 4.
live
The correct answer is live.
Examples include the Amazon river dolphin (Boto), the Ganges river dolphin, the Indus river dolphin, and the Yangtze finless porpoise (though technically a porpoise, it fills a similar ecological niche). Freshwater habitats present different challenges compared to the open ocean, such as murky water, strong currents, and narrower channels. These river dolphins often have specific adaptations, like smaller eyes (relying more on echolocation) and flexible necks, suited to their environment. The passage correctly points out the rarity of these freshwater dolphins compared to their marine counterparts.
Select the most appropriate option to fill in blank no. 1.
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Select the most appropriate option to fill in the blank no. 5.
Select the most appropriate option to fill in blank no. 1.
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Select the most appropriate option to fill in blank no. 5.
Select the most appropriate option to fill in blank number 1.
What would come in place of 1
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What would come in place of 5