1. There are four answers for the questions (from No-
1 to 10). Choose the correct answer.
1x10=10
( When calcium carbonate is heated, it decomposes to give-.
(a) CO,
(b) H.
(c) N.
(d)
ii. The pH of a neutral solution is-
(a) 0
(b) 14
(C) 5
(d) 7
iïi. Which of the following is a noble gas.
(a) Neon
(b) Oxygen
(c) Chlorine
(d) Nitrogen
iv. Instrument used to measure blood pressure is -
(a) Barometer
(b) thermometer
(c) Sphygmomanometer (d) odometer
The autotropic mode of nutrition requires.
(a) Carbondioxide and water (b) Chlorophyl
(C) Sunlight
(d) None of the above.
vi. Which of the following is not a plant hormone-
(a) auxin
(b) gibberellins
(C) thyroxin
(d) ethylenes
vii. Who is known as the "Father of heredity"-
V.
Answers
Answered by
0
Answer:
1. a) CO
2. c) 5
3. d) nitrogen
4. c) sphygmomanometer
5. a) carbondioxide and water
6. d) ethylenes
Answered by
0
Answer:
(i) (a) CO
(ii) (d) 7
(iii) (a) Neon
(iv) (c) sphygmomanometer
(v) (a) carbon dioxide and water
(vi) (c) thyroxin
(vii) Gregor Mendel
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