Important General Biology MCQs - 13

Important General Biology MCQs - 13

1. Which act as harmone.
(a) Carbohydrates
(b) Proteins ✓
(c) Vitamins
(d) Fats

2. The Hormones are the
(a) Chemical messengers ✓
(b) Zoological messengers
(c) Physical messengers
(d) Bio physical messengers

3. Master gland is pituitary gland which controls the activities of
(a) Adrenal gland
(b) Adrenal and thyroid glands
(c)Pancreas and Gonads glands
(d) All glands ✓

4. Who discovered bacteria first in 1697?
(a) Iwanowsky
(b) Leeuwenhoek ✓
(c) Louis Pasteur
(d) Robert Koch

5. One of the followings is not a characteristic of an insect,
(a) Their body is divided into head. thorax and abdomen
(b) They possess a pair of legs in each segment ✓
(c) They possess two wings for flying
(d) Two prominent antennae are present on head

6. An inactive phase during the life cycle during which animal stores a lot of food inside the body and develops a covering around body is called
(a) Pupa ✓
(b) Larva
(c) Nymph
(d) Adult

7. If the temperature rises gradually up to 40° C. the rate of photosynthesis
(a) Increases
(b) Decreases
(c) Remains constant
(d) May stop altogether ✓

8. An adult requires how many proteins daily
(a) 10 ~ 20 grams
(b) 30 - 50 grams
(c) 50 - 100 grams ✓
(d) More than 100 grams

9. Proteins are required to make which of the followings,
(a) Antibodies
(b) Connective tissues
(c) Hormones
(d) All these ✓

10. Lipids are obtained from
(a) Animal sources
(b) Plant sources
(c) Both plant and animal sources ✓
(d) Synthetically


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