Question

1 mark
1. A. Multiple Choice Question (MCQ) :
1. Organic compound must contain-(a) Oxygen, (b) Nitrogen, (c) carbon, (d) Hydrogen. 2. Universal
solvent is-(a) Water, (b) oil, (c) Alcohol, (d) Acid. 3. In a polypeptide, amino acids are connected
by-(a) Glycocydic bond, (b) Hydrogen bond, (c) Disulphide bond, (d) Peptide bond. 4. Which of the
following is a nucleic acid ? (a) Hydrochloric acid, (b) Lactic acid, (t) DNA. (d) Fatty acid. 5. Acids and
bases combine to ferm-(a) Salt, (b) Ester, (c) Water, (d) RNA. 6. Water soluble vitamin is-(a) A, (b),
(c) C. (d) E. 7. Important source of vitamin A is-(a) Orange, (b) Carrot, (c) Milk, (d) Tomato. 8. Which of
the following vitamins does belong to B-complex group ? (a) Thianine, (b) Riboflavin, (c) Calciferol, (d) Niacine.
9. Common source of sodium is our diet is-(a) Orange, (b) Common salt, (c) Sugar, (d) Soyabean.
10. Rich source of lodine is-(a) Seafood, (b) Banana, (c) Vegetables, (d) Milk 11. Deficiency of iron may
cause-(a) Goitre, (b) Abnormal teeth, (c) Muscular weakness, (d) Anaemia. 12. Chromosomes are
made up of (a) Protein, (b) DNA, (c) DNA and Protein, (d) RNA. 13. Which of these options are not a
function of Ribosomes ? (1) Manufacture enzymes, (ii) Manufacture proteins, (iii) Manufacture starch.
(iv) Manufacture hormones-(a) (i) and (10), (b) (i) and (ii), (c) (iii) and (iv), (d) (i) and (iv). 14. Which of
the following organelles are coverd by double membrane-(a) Mitochondria, (b) Golgi body, (c) Lyso-
some, (d) Ribosome. 15. The undefined nuclear region of prokaryotes are known as-(a) Nucleus, (b)
Nucleic acid, (c) Nucleolus, (d) Nucleoid. 16. Other than nucleus DNA is also found in-(a) Golgi
apparatus, (b)Mitochondria, (c) Lysosome, (d) Endoplasmic reticulum. 17. Which of the following cell
organelles is found in prokaryotes ? (a) Ribosome, (b) Mitochondria, (c) Plastid, (d) Lysosome.
18. Organelle lacking cell membrane is--(a) Golgi body, (b) Chloroplast, (c) Nucleus, (d) Ribosome.​

Answer 1

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