SSC Biology Previous year questions Set 1

1. Penicillin is extracted from —(SSC Section Officer 1997)
A. yeast
B. algae
C. fungus
D. lichen
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2. The disease caused by Asbestos is: (SSC CGL Prelim Exam. 1999)
A. Emphysema
B. Paralysis
C. Diarrhea
D. Dysentery
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3. Why radiologists do not take direct X-ray photographs of intestine? (SSC Section Officer 1997)
A. Intestines are affected by direct exposure to X-rays
B. X-rays cannot cross intestine
C. X-rays are not able to capture clear picture
D. Even short exposure to X-rays causes cancer in the intestine
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4. Onion is a modified form of _ (SSC Section Officer (Audit) Exam. year 1997)
A. leaf
B. stem
C. root
D. None of these
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5. Angora wool is extracted from —(SSC Section Officer(Audit) 1997) A. rabbit
B. sheep
C. fox
D. goat
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6. Which is the effect of antigen in an ill person? (SSC Audit Section Officer 1997)
A. It increases the production of W.B.C.
B. It increases the production of antibiotics
C. It increases the production of anti-serum against bacteria
D. It prevents the growth of bacteria
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7. Which of the following is known as Vitamin B1? [SSC Section Officer (Audit) Exam 2001]
A. Retinol
B. Thiamin
C. Riboflavin
D. Ascorbic Acid
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8. Which one of the following is a female sex hormone?(SSC CGL Prelim 2000)
A. Estrogen
B. Androgen
C. Oxytocin
D. Insulin
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9. In the case of test tube babies
A. egg is fertilized in the uterus.
B. Embryo completes its development in a test tube.
C. embryo is placed in uterus after 2 months.
D. egg is fertilized outside mother’s body.
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10. Dehydration in the human body is caused due to the loss of: [(SSC CGL Prelim 1999) (Second Sitting)]
A. vitamins
B. salts
C. hormones
D. water
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