Answer: C

Explanation:

Bioinformatics is a field of science in which biology, computer science and information technology merges into a single subject. The main goal of this field is to discover new biological insights and to create a perspective in which the unified principles of biology can be seen and understood. Hence, statement 1 is correct.

In simple terms, bioinformatics is the application of information technology in the management of biological information. Bioinformatics converts large amounts of raw data into useful knowledge using bioinformatics technology. Hence, statement 2 is correct.

Answer: C

Explanation:

Endemic species are found in one geographical location and do not occur anywhere else. A species may be native to an area but may not be endemic to that area if it is found elsewhere . For example, the lion-tailed macaque and the Nilgiri langura and Nilgiri Tahr are endemic to the Western Ghats of India. Hence, option (c) is the correct answer.

Answer: C

Explanation:

Ground water in the Ganga plains of India suffers greatly from arsenic pollution. Ground water in 7 states of India - West Bengal, Jharkhand, Bihar, Uttar Pradesh, Assam, Manipur and Chhattisgarh are highly affected by arsenic pollution. Hence, option (c) is correct.

Answer: C

Explanation:

A keystone species is one that has a disproportionately large impact on the communities in which it occurs. In fact it determines the survival ability of a large number of other species living in the community. When a keystone species goes extinct it may trigger a chain of extinctions of other species. Hence, both statement 1 and 2 are correct.

Answer: B

Explanation:

A keystone species is an organism that helps to hold the system together. These species influence the structure and function of an ecosystem. Hence, statement 1 is incorrect.

This species affects its community by creating, modifying, or maintaining physical habitat for itself and other species . Pollination of fruits and flowers, plankton: food for many fish, starfish, sea otters, etc. are examples of keystone species. Species that first reach areas where there was no life before are called pioneer species. Hence, statement 2 is correct.This species affects its community by creating, modifying, or maintaining physical habitat for itself and other species. Pollination of fruits and flowers, plankton: food for many fish, starfish, sea otters, etc. are examples of keystone species. Species that first reach areas where there was no life before are called pioneer species. Hence, statement 2 is correct.