NEET UG 2008 — Organisms and Populations

Consider the following four statements $(\mathrm{a}-\mathrm{d})$ about certain desert animals such as kangaroo rat. (a) They have dark colour and high rate of reproduction and excrete solid urine (b) They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs (c) They feed on dry seeds and do not require drinking water (d) They excrete very concentrated urine and do not use water to regulate body temperature Which two of the above statements for such animals are true?

Quercus species are the dominant component in

The table below gives the populations (in thousands) of ten species $(A-J)$ in four areas (a-d) consisting of the number of habitats given within brackets against each. Study the table and answer the question which follows:  Which area out of a to d shows maximum species diversity?

The table below gives the populations (in thousands) of ten species $(\mathrm{A}-\mathrm{J})$ in four areas $(a-d)$ consisting of the number of habitats given within brackets against each. Study the table and answer the question which follows  Which area out of a to $\mathrm{d}$ shows maximum species diversity?

What is true about the isolated small tribal populations?

What is true about the isolated small tribal populations?