MCQ
The opening of rectum in frog is called
- AVestibule
- ✓Cloaca
- CCoccyx
- DNone of the above
It leads to outside through a cloacal aperture.
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| Column $I$ | Column $II$ |
| $(a)\; XX-XO$ method of sex determination | $(i)$ Turner's syndrome |
| $(b)\; XX-XY$ method of sex determination | $(ii)$ Female heterogametic |
| $(c)$ Karyotype$-45 $ | $(iii)$ Grasshopper |
| $(d)\; ZW-ZZ$ method of sex determination | $(iv)$ Female homogametic |
Select the correct option from the following
| (A) Leydig cells | (i) Placenta |
| (B) Bulbo-urethral gland | (ii) Bulbo-vestibular gland |
| (C) Bartholin gland | (iii) Cowper's gland |
| (D) hCG | (iv) ICSH |
$A$. Maintenance of water and electrolyte balance
$B$. Regulation of basal metabolic rate
$C$. Normal rhythm of sleep-wake cycle
$D$. Development of immune system
$E$. Support the process of RBCs formation
Choose the correct answer from the options given below: