Question

II. Write 'True' for correct statements and 'False' for wrong statements:-
1. The hottest stars are yellow in colour.( )
2. There are millions of stars in our solar system.( )
3. Rain water goes into the soil.

4. It takes millions of years to form soil. ( )
5. The size of a shadow does not depend upon the position of the light source.
6. The sun is the only luminous object on Earth. (
7. Light never travels in straight lines. ( )
8. Jupiter is largest planet. ( )
9. The roots of plants help to hold the soil together. ( )
10. Dry soil does not contain water. ( )​

Answer 1

Answer:

1) False

2) True

3) True

4) True

5) False

6) True

7) False

8)True

9) True

10) False

Explanation:

1) Blue stars are the hottest stars.

2) There are 100 thousand million stars in the milky way galaxy itself.

3) Most of the rainwater is absorbed by the ground and reaches the plants. From where through transpiration they reach the atmosphere.

4) It takes 3000 years under normal conditions to form 1cm of soil.

5) The size and shape of the shadow depends upon the size and shape of the object ,position of the light source and the distance between the light source and the object.

6) Sun is the most widely known and widespread luminous object which illuminates the objects on earth.

7) Light can travel in a straight line and also in a curved line.

8) Jupiter is the largest planet of our solar system and gets the name of the king of Roman gods. It is 11 times the size of earth and 317 times the mass of earth.

9) The roots of plants help to hold the soil together and prevent soil erosion.

10) Dry soil contains water. Dry soil is the soil which is dried at 105 degree Celsius till it comes to a constant weight.