Revise 10 questions everyday from Prelims Past Papers (2015 to 1979)
If not satisfied with the answers, please search the internet for correct answers & mention the correct answer in the comments section. Our aim is to make you revise these questions. Answer keys of reputed IAS institutes are referred)
Today’s 10 questions from 1991 GS-1 Prelims Paper [Questions 81 to 90]
For previous questions refer yesterday’s post.
Q81 Protective action against harmful household insects and pests can be taken by the use of
(a) Infrasonic waves
(c) Ultrasonic waves
(d) Low frequency radio waves
Q82 Which of the following is the brightest heavenly body in the evening/night sky
Q 83 Which of the following determines the protein quality of food?
(a) Protein amalgamation
(b) Fibre content
(c) Amino acids mixture
(d) Vegetable or animal origin
Q84 The path of Halley’s comet in its orbit around the sun is
Q85 An instrument measures the voltage of 50 Hz sinusoidal current as 220 V. The mean average voltage of the sinusoidal current is
(b) 4.4 V
(c) 220 V
Q86 The highest fat content is found in the milk of
Q87 Which of the following rivers is the source of water for the Rajasthan canal?
Q88 The speed of revolution of the earth in its orbit round the sun is
(a) Same throughout the year
(b) Greatest when the earth is nearest to the sun
(c) Greatest when the earth is farthest from the sun
(d) Least when the earth is nearest to the sun
Q89 Of the following centres which is the one where the original monasteries established by Adi Shankaracharya is not found?
Q90 Which one of the following is useful for biological control of pests?
(a) Honey bees and locusts
(b) Scorpions and spiders
(c) Wasps and birds
(d) Parrots and kites
Tomorrow: Next 10 questions
To revise [Questions 71-80] refer yesterday’s post.
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