MCQ
Chromosome complement with $2n-1$ is called as
- ✓Monosomy
- BNullosomy
- CTrisomy
- DTetrasomy
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$(1)$ They have dark colour and high rate of reproduction and excrete solid urine.
$(2)$ They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs.
$(3)$ They feed on dry seeds and do not require drinking water.
$(4)$ 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 ?
| Column-I | Column-II | ||
| (p) | Leydig cells | (i) | Help in the lubrication of the penis |
| (q) | Sertoli Cells | (ii) | Secretion of progesteron |
| (r) | Corpus luteum | (iii) | Secretion of Androgens |
| (s) | Bulbourethral gland | (iv) | Provide nutrition to the sperm |
