A major health mission carried in 1996 was
- (a)war against leprosy
- (b)small-pox eradication
- (c)pulse polio immunization
- (d)popularisation of oral rehydration therapy
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Official answer(c) pulse polio immunization
Science & Technology
923 questions asked in UPSC Prelims.
Which one of the following techniques can be used to establish the paternity of a child?
- (a)Protein analysis
- (b)Chromosome counting
- (c)Quantitative analysis of DNA
- (d)DNA finger-printing
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Official answer(d) DNA finger-printing
Which one of the following stars is nearest to the earth?
- (a)Polaris
- (b)Alpha Centauri
- (c)Sun
- (d)Sirius
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Official answer(c) Sun
Which one of the following conditions is most relevant for the presence of life on Mars?
- (a)Atmospheric composition
- (b)Thermal conditions
- (c)Occurrence of ice caps and frozen water
- (d)Occurrence of ozone
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Official answer(c) Occurrence of ice caps and frozen water
Which one of the following is present in the largest amount in terms of per cent by mass in the earth’s crust?
- (a)Silicon
- (b)Oxygen
- (c)Carbon
- (d)Calcium
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Official answer(b) Oxygen
The tendency of a liquid drop to contract and occupy minimum area is due to
- (a)viscosity
- (b)surface tension
- (c)density
- (d)vapour pressure
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Official answer(b) surface tension
Which one of the following is a vector quantity?
- (a)Momentum
- (b)Pressure
- (c)Energy
- (d)Work
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Official answer(a) Momentum
The planet Mercury is revolving in an elliptical orbit around the sun as shown in the given figure. The kinetic energy of Mercury is greatest at the point labelled
- (a)A
- (b)B
- (c)C
- (d)D
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Official answer(a) A
Which one of the following is a valid conclusion?
- (a)The larger the initial inclination, the longer the throw
- (b)The larger the height reached, the longer the throw
- (c)The larger the height reached, the shorter the throw
- (d)The larger the initial inclination, the greater the height reached
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Official answer(c) The larger the height reached, the shorter the throw
The working principle of a washing machine is
- (a)centrifugation
- (b)dialysis
- (c)reverse osmosis
- (d)diffusion
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Official answer(a) centrifugation
The characteristic odour of garlic is due to
- (a)a chloro compound
- (b)a sulphur compound
- (c)a fluorine compound
- (d)acetic acid
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Official answer(b) a sulphur compound
Which one of the following is an active component of oil of clove?
- (a)Menthol
- (b)Eugenol
- (c)Methanol
- (d)Benzaldehyde
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Official answer(b) Eugenol
The most reactive among the halogens is
- (a)fluorine
- (b)chlorine
- (c)bromine
- (d)iodine
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Official answer(a) fluorine
Which one of the following is paramagnetic in nature?
- (a)Iron
- (b)Hydrogen
- (c)Oxygen
- (d)Nitrogen
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Official answer(c) Oxygen
Which one of the following has the highest fuel value?
- (a)Hydrogen
- (b)Charcoal
- (c)Natural Gas
- (d)Gasoline
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Official answer(a) Hydrogen
Which one of the following is used as an anti-freeze for the automobile engines?
- (a)Propyl alcohol
- (b)Ethanol
- (c)Methanol
- (d)Ethylene glycol
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Official answer(d) Ethylene glycol
The pituitary gland by virtue of its tropic hormones controls the secretory activity of other endocrine glands. Which one of the following endocrine glands can function independent of the pituitary gland?
- (a)Thyroid
- (b)Gonads
- (c)Adrenals
- (d)Parathyroid
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Official answer(d) Parathyroid
Oxygen transportation in a human body takes place through I. Blood II. Lungs III. Tissue The correct sequence of transportation is
- (a)I, II, III
- (b)III, I, II
- (c)II, I, III
- (d)I, III, II
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Official answer(c) II, I, III
Corpus luteum is a mass of cells found in
- (a)brain
- (b)ovary
- (c)pancreas
- (d)spleen
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Official answer(b) ovary
Alpha-keratin is a protein present in
- (a)blood
- (b)skin
- (c)wool
- (d)eggs
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Official answer(c) wool
What is the average fat content of buffalo milk?
- (a)7.2%
- (b)4.5%
- (c)9.0%
- (d)10.0%
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Official answer(a) 7.2%
The major component of honey is
- (a)glucose
- (b)sucrose
- (c)maltose
- (d)fructose
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Official answer(d) fructose
Arteries supplying blood to the heart are called
- (a)carotid arteries
- (b)hepatic arteries
- (c)coronary arteries
- (d)pulmonary arteries
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Official answer(c) coronary arteries
Recommended daily intake of proteins for a moderately active woman is
- (a)30 g
- (b)37 g
- (c)40 g
- (d)46 g
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Official answer(d) 46 g
The sequencing of the entire genome (the totality of all genes) of an organism was completed in 1996. The organism was
- (a)albino mouse
- (b)yeast
- (c)human being
- (d)Plasmodium vivax
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Official answer(b) yeast