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ECAT – Chemistry

21. Wheat, rice, and honey are the sources of
(A) Lipids
(B) Proteins
(C) Vitamin
(D) Carbohydrates

22. Polymers of amino acids are called
(A) Vitamin
(B) Proteins
(C) Lipids
(D) Maltose

23. Nucleic acids are of ________types.
(A) Two
(B) Three
(C) Four
(D) Five

24. The two types of nucleic acids are DNA and
(C) proteins
(D)  lipids

25. Fats and oils are example of ?
(A) Proteins
(B) Vitamin
(C) Lipids
(D) Carbohydrates


21. Carbohydrates
22. Proteins
23. Two
24. RNA
25. Lipids

26. The major component of troposphere is
(A) Argon
(B) Carbon
(C) Hydrogen
(D) Nitrogen

27. Ozone depletion causes
(A) Blood Cancer
(B) Skin Cancer
(C) Malaria
(D) T.B

28. The pH of the acid rains is less than
(A) 5.6
(B) 5.1
(C) 4.6
(D) 4.1

29. Ozone is a ____________ gas.
(A) Reddish
(B) Greenish
(C) Bluish
(D) Yellowish

30. In water, ratio of oxygen and hydrogen by mass is
(A) 1:3
(B) 2:1
(C) 1:2
(D) 8:1


26. Nitrogen
27. Skin Cancer
28. 5.6
29. Bluish
30. 8:1

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