SSC Biology Previous year questions Set 34

331. A test tube baby means : [SSC CGL Prelim 2004]
A. a baby grown in a test tube.
B. embryo fertilised in uterus and developed in test tube.
C. embryo fertilised and developed in uterus.
D. fertilisation in vitro and then transplantation in the uterus.
Answer –D. fertilisation in vitro and then transplantation in the uterus.
Explanation-


332. Which of the following is a rich source of Vitamin B-12?[SSC CPO Sub- Inspector 2004]
A. Cashew nut
B. Milk
C. Apple
D. Watermelon
Answer –B. Milk
Explanation-


333. What is the number of chromosomes in a normal human body cell ? [SSC CPO Sub- Inspector 2004]
A. 43
B. 44
C. 45
D. 46
Answer –D. 46
Explanation-


334. Xerophthalmia is a deficiency disease caused by lack of: [SSC Tax Assistant (Income Tax & Central Excise) 2004]
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
Answer –A. Vitamin A
Explanation-


335. The metal present in insulin is: [SSC CPO Sub- Inspector 2004]
A. Copper
B. Iron
C. Zinc
D. Magnesium
Answer – C. Zinc
Explanation-


336. Out of the following glands which is referred to as the master gland?[SSC Tax Assistant (Income Tax & Central Excise) 2004]
A. Thyroid
B. Adrenal gland
C. Pituitary
D. Pancreas
Answer –C. Pituitary
Explanation-


337. What is an antibiotic ? [SSC Tax Assistant (Income Tax & Central Excise) 2004]
A. A chemical compound produced by a living organism that inhibits the growth of other organisms
B. A compound synthesised by a living organism that inhibits the growth of microbes
C. A synthetic compound inhibiting the growth of other organisms
D. A synthetic compound inhibiting the growth of bacteria
Answer –D. A synthetic compound inhibiting the growth of bacteria
Explanation-


338. Carbohydrate is stored in the body as: [SSC Tax Assistant (Income Tax & Central Excise 2004]
A. glucose
B. starch
C. glycogen
D. sucrose
Answer –C. glycogen
Explanation-


339. Which was the first enzyme isolated in pure crystalline form ? [SSC Tax Assistant (Income Tax & Central Excise) 2004]
A. Amylase
B. Catalase
C. Lipase
D. Clrease
Answer –Wrong option
Right answer: Urease
Explanation-


340. Process of digestion is helped by____ [SSC Tax Assistant (Income Tax & Central Excise) 2004]
A. Enzyme
B. Hormone
C. Mineral
D. Vitamin
Answer –A. Enzyme
Explanation-



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