Biology Quiz 3

1. Radish is a





2. Movements due to light are shown by





3. Organic Substances which, in very small amounts, control growth and development called





4. Monocot root differs from dicot root in having





5. Norepinephrine increases





6. Outer covering of virus made up of protein is





7. Our major foods, fibres, spices, fruits and beverage crops are





8. Radioactivity is a phenomenon of the spontaneous emission of





9. Night blindness is cause by lack of which vitamin?





10. Pigmentation of skin is due to