Consider the following four statements (A-D) about certain desert animals such as kangaroo rats:
A. | they have a dark colour and a 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?
1. | C and D | 2. | B and C |
3. | C and A | 4. | A and B |
Match the items in Column - I with those in Column - II:
Column I | Column II | ||
(a) | Podocytes | (i) | Crystallised oxalate |
(b) | Protonephridia | (ii) | Annelids |
(c) | Nephridia | (iii) | Amphioxus |
(d) | Renal calculi | (iv) | Filtration slits |
(a) | (b) | (c) | (d) | |
1. | (iii) | (iv) | (ii) | (i) |
2. | (iii) | (ii) | (iv) | (i) |
3. | (iv) | (iii) | (ii) | (i) |
4. | (iv) | (ii) | (iii) | (i) |