MCQ
Each human kidney has nearly
- A$10,000$ nephrons
- B$50,000$ nephrons
- C$1,00,000$ nephrons
- ✓$1$ million nephrons
Man has $10-12$ lac $(106)$ nephrons in each kidney.
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$R$- One pair of gene segregate independently of another pair.
$I$. There are many side effects of tubectomy and vasectomy
$II$. Purpose of tubectomy is to prevent egg formation
$III$. The most important component of the oral contraceptive pill is progesterone
$IV$. Contraceptive oral pills help in birth control by preventing ovulation
| Column - l | Column - ll |
| (a) Halophiles | (i) Hot springs |
| (b) Thermoacidophiles | (ii) Aquatic environment |
| (c) Methanogens | (iii) Guts of ruminants |
| (d) Cyanobacteria | (iv) Salty areas |
