Q. Exposure to sunlight helps a person improve his health because -
1) The infra-red light kills bacteria in the body
2) Resistance power increases
3) The pigment cells in the skin get stimulated and produce a healthy tan
4) The ultraviolet rays convert skin oil into Vitamin D
Q. The most abundant element in the earth's atmosphere is -
1) Carbon dioxide
2) Hydrogen
3) Oxygen
4) Nitrogen
Q. The red blood cells are formed in the -
1) Heart
2) Liver
3) Lymph nodes
4) Bone marrow
Q. Of the following foods, which one is the best source of protein?
1) Butter
2) Fish
3) Lettuce
4) Milk
Q. The element of an electric stove is made of -
1) copper
2) aluminium
3) magnalium
4) nicrome
Q. The law of natural selection is associated with -
1) Dalton
2) Darwin
3) Kepler
4) Mendel
Q. Which of the following sounds cannot be heard by the human ear?
1) 300 vibrations/sec
2) 1,000 vibrations/sec
3) 10,000 vibration/sec
4) 30,000 vibrations/sec
Q. A photo-electric cell converts -
1) Sound energy into electrical energy
2) Light energy into electrical energy
3) An electrical signal into sound waves
4) Electrical energy into light energy
Q. Which of the followings is/are part of an integrated bill payment system?
(I) UPI Lite.
(J) Rupay Credit Card linked to UPI.
(K) Bharat Bill Pay System.
Choose the correct answer -
1) Only I and II
2) Only II
3) Only II and III
4) All I, II, and III
Q. Which of the following chemical fertilizers has/have been covered under 'PM BJP'?
I. Bharat Urea
II. Bharat DAP
III. Bharat NPK
IV. Bharat MOP
Choose the answer -
1) Only I and II
2) Only I and III
3) Only III and IV
4) All I, II, III and IV
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