Multiple Choice Questions VIII — task. Science CBSE, Class 10.

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1. Select the mis-matched pair

Adrenaline : Pituitary gland
Testosterone: Testes
Thyroxin : Thyroid gland
Estrogen : Ovary

2. The shape of guard cells changes due to change in the

position of nucleus in the cells
amount of water in cells
protein composition of cells
temperature of cells

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