MCQ
Which of the following is an artificial ecosystem?
- APond.
- ✓Crop field.
- CLake.
- DForest.
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| Column A | Column B |
| (i) Thyroid gland | (a) Testosterone |
| (ii) Pancreas | (b) Thyroxin |
| (iii) Testis | (c) Estrogen |
| (iv) Ovaries | (d) Insulin and glucagon |
