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guna venkat

· started a discussion

· 1 Months ago

B (Question: 362138.2 )

Option B is the right ans

Question:

DIRECTIONS: Read the passages carefully and choose the most appropriate answer to the questions out of the four alternatives.

Among Nature’s most intriguing phenomena are the partnerships formed by any different species. The name used for these relationships-Symbiosis-comes from Greek, meaning “living together”. Not all symbiotic relationships are the same. There are some called communal relationships, in which one partner gains a benefit while the other gains little or none but is not harmed. One example is the relationship between two types of fish - remoras and sharks. The remora, which is long and often striped, attaches itself to a shark (sometimes to another type of fish or a whale) using a sucker on its head. When the shark makes a kill the hitchhiker briefly detaches itself to feed on the scraps. Another type of symbiotic relationship is parasitism in which one partner benefits at the expense of others. Ticks and tapeworms are among familiar parasites. The third type of symbiotic relationship called mutualism is a true partnership in which both partners benefit. The relationship may be limited as when zebras and wild beast graze together on the vast African grasslands. Each species can survive on its own but together their chances of detecting predators are improved because each contributes a specially keen sense. Zebras have better eyesight and wild beast has a good sense of hearing and sense of smell. In a few cases partners are so interdependent that one cannot survive without the other. Most mutuality relationships probably lie somewhere in between.

The passage talks about how animals-

Options:
A)

help each other

B)

live together

C)

take advantage of the weaker ones

D)

are related to each other

Solution:

Ans: (d) 

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