11)Number of choromosome in a normal human body cell is—
a) 43
b) 44
c) 45
d) 46
12) Most important gland of human body is—
a) Thyroid
b) Pituitary
c) Pancreas
d) Liver
13) The name of first test tube baby was—
a) Astha
b) Indria
c) Dolly
d) Lueis
14) Oxygen released during photosynthesis of green plant comes from the breakdown of which of the following ?
a) Carbon dioxide
b) Fatty acid
c) Carbohydrate
d) Water
15) Hydroponics is a method of culture of plants without using:
a) Sand
b) soil
b) water
d) light
17) The disease fire blight is related with— a) Apple b) Grape c) Orange d) Coconut 18) Which one of following group of animals are primates? a) Giraffes and Zebra b) Kangaroo and Koalas c) Lemurs and horses d) Rabbits and Hares 19) Which of the following is a good source of Vitamin ‘e’? a) Meat b) Ghee c) Yellow Yolk d) Fresh vegetable 20) In which organ of the human body are the lymphocytes cells formed? a) Liver b) Long none c) Pancrease d) Spleen