SSC Biology Previous year questions Set 28

271. Adherent mucoid alkaline substance covering the inner lining of stomach is to :[SSC CGL Prelim 2002]
A. digest starch
B. act against bacteria
C. prevent the action of pepsin of mucosa
D. prevent viral infection
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272. What are the basic units from which human spare parts can be created?[SSC CGL Prelim 2002]
A. Nerve cells
B. Stem cells
C. Heart cells
D. Kidney cells
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273. Which was the first antibiotic ?[SSC CGL Prelim 2002]
A. Terramycin
B. Neomycin
C. Penicilin
D. Streptomycin
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274. The area of the human tongue sensitive to bitterness is restricted to :[SSC CGL Prelim 2002]
A. tip
B. edges
C. middle part
D. posterior part
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275. Which of the following blood cells is compulsory for blood coagulation ?[SSC CGL Prelim 2002]
A. Platelets
B. Red Blood Corpuscles
C. White Blood Corpuscles
D. Lymphocites
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276. Amniocentesis is a method for :[SSC CGL Prelim 2002]
A. determination of foetal health conditions
B. determination of the amino acids sequence
C. inducing abortion
D. artificial insemination
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277. During photosynthesis the liberated gas is :[SSC CGL Prelim 2002]
A. Carbon dioxide
B. Oxygen
C. Nitrogen
D. Hydrogen
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278. Virus contains: [SSC CGL Prelim 2002]
A. Protein and lipid
B. Nucleic acid and protein
C. Lipid and carbohydrate
D. Carbohydrate and nucleic acid
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279. What may be the cause of malfunctioning of thyriod gland ?[SSC CGL Prelim 2002]
A. Iodine deficiency
B. Iron deficiency
C. Calcium deficiency
D. Vitamin C
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280. Which one of the following is NOT a function of kidney ?[SSC CPO Sub-Inspector 2003]
A. Regulation of blood pH
B. Removal of metabolic wastes from the body
C. Production of antibodies
D. Regulation of osmotic pressures of the blood
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