Q. What role does enzyme pepsin play?
1) It converts fats into acids
2) It converts fats into glycerol
3) It converts proteins into peptones
4) It converts starch into sugar
Q. The human liver performs all of the following functions, except
1) Production of hormones
2) Detoxification of toxins
3) Storage of glycogen
4) Formation of bile
Q. Golgi body is found in
1) RBC in man
2) All the cells
3) All the cells except RBC and baceria
4) Only bacterial cells
Q. On which of the following plants did Gregor Mendel perform his classical experiment?
1) Gram
2) Maize
3) Pea
4) Wheat
Q. Who propounded the story of natural selection?
1) Mendel
2) Lamarck
3) Darwin
4) De Vries
Q. A coenzyme is an
1) Nucleic acid
2) Organic compound
3) Carbohydrate that controls enzymatic activity
4) Vitamin that acts with an enzyme
Q. Which of the following digestive enzymes is present in the saliva?
1) Amylase
2) Lipase
3) Ptyalin
4) Trypsin
Q. People suffering from 'anorexia nervosa'
1) develop paralysis
2) show poor reflex
3) cannot speak properly
4) eat very little and fear gaining weight
Q. Which one of the following elements is present in green pigment of leaf?
1) Magnesium
2) Phosphorus
3) Iron
4) Calcium
Q. Which method of water purification does not kill microorganism?
1) Boiling
2) Filtration
3) Chlorination
4) UV-irradiation
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