Kangaroo rat is the only mammal which does not ingest any water and reamains only on metabolic water which it can utilize due to nasal counter current mechanism. It feeds on dry castor seeds. Sweat glands are absent and secrete concentrated urine with nitrogenous waste as urea.
Consider the following four statements ( a- d) about certain desert animals such as kangaroo rat. (a) They have dark colour and high rate of…
NEET UG 2008 — Zoology Organisms and Populations
2008mcqeasy
Consider the following four statements (a−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?
Official previous-year question
Held on 30 Apr 2008 · Verified 9 Jul 2026.
Options
- A
a and b
- B
c and d
- C
b and c
- D
c and a
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