Question

d) ALI
1. The physical change caused by heat is -
a) Change in Temperature
b) Change in state
c) Thermal Expansion
d) ANI
2. The symbol of Sodium is -
a) SO
b) Na
c) Sod
d) None
3. Green pigment present in the leaves of plants is -
a) Chlorophyll
b) Xanthophyll
c) Carotenoids
d) Hydrophyll
4. Milk teeth has no -
a) Canines b) Molars c) Incisors d) Prernolars
5. The Range of clinical thermometer is -
a) 35°C -42°C b) 45°C -32°C c) -10°C - 100°C d) 0°C - 100°C
6. As a result of anaerobic respiration, muscle cells produce -
a) Ethyl alcohol b) Lactic acid c) Citric acid d) None
7. The agents of physical weathering are -
a) Wind b) Water c) Temperature
8. A student is provided with four objects - plastic comb, ebonite, copper
rod, woolen cloth. The object that can't be charged by rubbing is -
a) Ebonite
b) Plastic comb
c) Woolen cloth
d) Copper rod
9. What is the relation between focal length and radius of curvature?
a) f=r/2 b) f = 21 c) r=2f
d) a and c both
10. The different forms of precipitation are --
a) Hail
b) drizzles c) rain
d) all
11. Rajasthan falls under -
a) Arid zone
b) Alpine zone
c) Tropical zone
d) Sub-tropical zone
12. World's largest tropical rain forest is -
a) Central Africa
b) Amazon jungle
c) Sundarban
d) None
13. Mirror that forms virtual, diminished and erect image is -
a) Convex Mirror
b) Plane Mirror
c) Concave Mirror
d) None
14. Organism that shows both autotrophic and heterotrophic nutrition is -
a) Amoeba b) Euglena c) Mushroom
d) Man
15. In ruminants, cellulose is digested completely in -
a) Rumen b) Small Intestine c) Caecum d) Reticulum
16. Complete the equation: Acid + Base -> + Water
a) Salt
b) Indicator c) Alkali
d) None
17. An earthworm respires through its -
a) Lungs
b) Skin
c) Gills
d) Trachea
18. The best soil for growing most of the crops is -
a) Clayey b) Loamy c) Sandy
19. Who nained the charges as positive and negative?
a) William Gilbert
b) Robert Hooke
c) Benjamin Franklin
d) None
d) All​

Answer 1

Answer:

1)

2)B

3)A

4)B

5)A

6)B

7)B

8)B

9)C

10)D

11)A

12)B

13)A

14)

15)A

16)A

17)B

18)B

19)C