MCQ
The points $A(- a, -b), B (0, 0), C(a, b)$ and $D(a^2 , ab)$ are $......$
- Avertices of a parallelogram
- Bvertices of a rectangle
- ✓collinear
- Dvertices of a square
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| Column I | Column II | ||
| i. | Homo habilis | p. | 900 cc |
| ii. | Australopithecus | q. | 1350 cc |
| iii. | Homo erectus | r. | 650 - 800 cc |
| iv. | Homo sapiens | s. | 450-600 cc |
Select the correct option.
| (i) | Heart |
| (ii) | Sweat glands |
| (iii) | Adrenal medulla |
| (iv) | Middle ear |
| (v) | Urinary bladder |
| (vi) | Dermis of skin |