Question

Q.1) [A] Tick () the correct option
(1) Which of this is responsible for blood clotting?
(a) red blood cells (b) platelets (e) white blood cells (a) hacmoglobin
(2) The male reproductive organ in plants is
(a) pistil (b) ovule
(3) The basic unit of speed is
(c) stamen (d) pollen grain
(a) m/s (b) m/s?
(c) m/h
(4) The device used to measure distance is
(d) min
(a) speedometer (b) odometer (c) clock (d) manometer
(5) Which of the following are most electricity efficient ?
(a) LED bulbs (b) fluorescent tubes(c) CFLS (d) incandescent bulbs
(6) Which of following can not act as a mirror ?
(a) steel plate (b) surface of water (c) steel spoon
(d) trees
(7) World Water Day is celebrated on
(a) 22 March (b) 21 March (c) 22 May (d) 21 May
(8) Which of the following is the correct order of food chain ?
(a) grass → insect → snake → frog
(b) insect+snake → frog → grass
(c) grass → insect → frog → snake
(d)snake → frog grass → insect
(9) The decaying matter on the forest floor is
(a) dry (b) moist (c)warm (d) both (b)and(c)
(10) Used water is called
(a) Filtered water (b) drinking water
(c) fresh water (d) Waste water
(11) The alphabet 'T' in WWTP stand for
(a) therapy (b) treatment (c) Travel (d) Technique
(12) Which of the following is a water-borne disease?
(a) cancer (b) asthma (c) diabetes (d) cholera​

Answer 1

Explanation:

1 a

2 b

3 m/s

4 manometer

5 c

6 d

7 22 march

8.c

9 d

10 d

11.b

12d