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1. The Zygote

(a) develops from a single parent

(b) union of male and female gametes

(c) is found only in unicellular organisms

(d) none of the above

Answer to Question One

2. The Process of the formation of three germ layers starts from.

(a) blastula

(b) gastrula

(c) morula

(d) none of the above

Answer to Question Two

3. The term gametogeneis is used for the formation and differentiation of alls

(a) sperms

(b) ova

(c) gametes

(d) none of the above

Answer to Question Three

4. Which of the primary germ layers give rise to the spinal card.

(a) endoderm

(b) ectoderm

(c) mesoderm

(d) none of the above

Answer to Question Four

5. In all mammals in adult stage, R B cells are without nucleus except one animal The name of this animal is :-

(a) whale

(b) elephant

(c) monkey

(d) camel

Answer to Question Five

6. The destruction of red cells is called-

(a) erythropoilsis

(b) plasmolysis

(c) hemolysis

(d) hemopiesis

Answer to Question Six

7. The blood does not wagulate inside our body because of-

(a) heparin in blood

(b) sodium chloride in blood

(c) movement of blood

(d) sodium oxalate in blood

Answer to Question Seven

8. The largest artery in the body is-

(a) capillary

(b) venacava

(c) artery

(d) aorta

Answer to Question Eight

9. The Pitutary gland effects the urine formation through-

(a) ACTS

(b) ADH

(c) ADDH

(d) ATH

Answer to Question Nine

10.Which of the following is both an endocrine gland and exocrine gland-

(a) pituitary

(b) thyroid

(c) adrenal

(d) pancreas

Answer to Question Ten

11. Deficiency of the adrenal cortex activity leads to-

(a) cushing disease

(b) conn’s disease

(c) addison disease

(d) simmond’s disease

Answer to Question Eleven

12. The haversian system is present in

(a) muscle cell

(b) nerve tissue

(c) bone (mammaltion)

(d) larynx

Answer to Question Twelve

13. Enrage is transferred from the light reactron step to the dark reactron step by-

(a) chlorophyll

(b) ADP

(c) ATP

(d) RUBP

Answer to Question Thirteen

14. A cell that lacks chloroplast does not-

(a) evolve carbon dioxide

(b) liberate oxygen

(c) require water

(d) utilize carbohydrates

Answer to Question Fourteen

15. The mineral constituent of the cell wall is-

(a) iron

(b) magnesium

(c) potassium

(d) calcium

Answer to Question Fifteen

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1. (b) union of male and female gametes

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2. (b) blastula

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3. (b) ova

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4. (b) ectoderm

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5 (d) camel

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6. (c) hemolysis

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7. (a) heparin in blood

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8. (d) aorta

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9. (b)ADH

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10. (d) pancreas

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11. (c) addison disease

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12. (c) bone (mammaltion)

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13. (a) chlorophyll

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14. (b) liberate oxygen

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15. (a) iron

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