Basic Science Questions with Answers for Practice
Which of the following is an extinct animal species?
(A) Dodo bird
(B) Crow
(C) Elephant
(D) Tiger
Correct Answer : A
Which of the following is a rabi crop?
(A) Paddy
(B) Wheat
(C) Tide
(D) Bajra
Correct Answer : B
Explanation :
Rabi season crops – Rabi crops are generally sown in the months of October and November and harvested from April to May.
Major crops of Rabi season – wheat, barley, gram, mustard, peas, berseem, rizka, green fodder, lentils, potato, rye, tobacco, lahi, oats, linseed and sunflower etc. Rabi season crops require low temperature at the time of sowing, hence they are sown in winter season. There should be a dry and warm environment for them to ripen.
Which crop is a Kharif crop?
(A) Millet
(B) Oat
(C) Flaxseed
(D) Mustard
Correct Answer : A
Explanation :
Kharif crops – The crops sown in June-July in the Indian subcontinent are called Kharif crops. These crops are harvested in October and November. These require high temperature and humidity at the time of sowing and dry environment at the time of ripening.
Main Kharif crops – Cotton, groundnut, paddy, millet, maize, sweet potato, urad, moong, moth cowpea (Chanwala), jowar, arhar, dhaincha, sugarcane, soybean, okra, sesame, guar, jute, flax etc.
Which one of the following is correct?
(A) Kharif crops are winter crops
(B) Rabi crops are monsoon crops
(C) Wheat is Rabi crop
(D) Mustard is a Kharif crop
Correct Answer : C
Pascal (Pa) is the unit?
(A) Humidity
(B) Pressure
(C) Rain
(D) Temperature
Correct Answer : B
What is the unit of Lumen?
(A) Light intensity
(B) Flame flux
(C) Both A and B
(D) None of these
Correct Answer : B
Explanation :
The SI unit of luminous flux is the lumen (lm). One lumen is defined as the luminous flux of light produced by a light source that emits 1 cd of luminous intensity over a solid angle of 1 sr. In other systems of units, luminous flux may have units of power.
Which of the following is not correctly matched?
(A) Decibel - Unit of loudness of sound
(B) Horse power - Unit of power
(C) Nautical Mile - Unit of distance
(D) Celsius - Unit of heat
Correct Answer : D
Explanation :
The key on the plug is used as a switch to allow or block the flow of current by pressing the plug. It can be an open or closed switch.
Parsec is the unit?
(A) Distance
(B) Time
(C) Brightness of light
(D) Magnetic force
Correct Answer : A
Explanation :
Parsec or parallactic second or is a unit of distance. It is defined as the distance at which one AU (astronomical unit) subtends an angle of one arc second, and is equal to 3.26 light years. Or, it is the unit of length which is used to measure the large distances of celestial bodies outside the solar system.
By whom is promoted in 'Krishi Shastra'?
(A) Plants and animals
(B) Crop plants
(C) Only fruit plants
(D) Agriculture
Correct Answer : A
What is 'intensive farming' related to?
(A) Produce through intensive use of labor
(B) Yield from intensive use of fertilizers
(C) Increasing the yield through large scale use of imported inputs
(D) Increasing yield through intensive use of existing land
Correct Answer : D
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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