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Biology

46)The disease spreads through milk is
Plague Typhoid
Diphtheria Cholera
Answer :

47)The enzyme responsible for converting milk into curd is
Pepsin Citrate
Renin Resin
Answer :

48)The law of natural selection is propounded by
Newton Dalton
Keplar Darwin
Answer :

49)Which of the vitamins help in clotting of blood?
A D
K E
Answer :

50)Which of the following vitamins can be obtained from sunshine?
A B
D E
Answer :

51)Goitre is caused due to lack of
iron iodine
sodium calcium
Answer :

52)Normal breathing rate per minute in an average adult is
30-60 25-40
12-20 72
Answer :


53)During heavy exercise one can get cramps in the leg due to the accumulation of
carbondioxide lactic acid
water acetic acid
Answer :

54)In plants water is transported through
xylem stomata
root hair phloem
Answer :

55) The process of fusion of the male and female gametes is known as
fertilization pollination
reproduction seed formation
Answer :

56) Bryophyllum can be reproduced by its
stem root
flower leaves
Answer :

57)Micro organisms act upon the dead plants to produce
sand mushroom
humus wood
Answer :

58)Vitamin stored in liver is
E C
K A
Answer :

59)A person has to take insulin regularly. He is suffering from
high blood pressure diabetes
goitre night blindness
Answer :

60)Which one of the following resists against disease in human body?
vitamins red blood corpuscles
white blood corpuscles fats
Answer :

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