Question

.Why is the color of the leaf green? Write the importance of this pigment.

2. Explain the mode of nutrition in fungus.

3. Partial Parasites are green colored plants which can carry out photosynthesis,

then why do they depend on other animals for food?

4. Name the part of Alimentary canal where:

a) Water gets absorbed from undigested food.

b) Bile Juice is produced.

c) No digestion takes place.

d) Taste of the food is perceived.

5. What is the role of Mucus and Hydrochloric acid in Stomach?

6. Describe the phenomenon by which the amount of water is

balanced on earth.

7. Wells, dug to get groundwater often dry up after some time. Why? What

can be done to get water again in the well?

8. Why water is called the Universal solvent?

9. Water is considered as a compound and not a mixture. Give reason.

10. Explain two ways by which groundwater can be replenished.

11. A car travels with a speed of 60 Km/hr for 15 minutes and then with a

speed of 40 km/hr for the next 15 minutes. Find the total distance

covered by the car.

12. What would be the speed of a car, if it is covering a distance of 36000m

in 2 hrs? Determine its speed in km/hr and m/sec.

13. A simple pendulum takes 63 seconds to complete 30oscillations. Calculate

its time period.

14. On what factors does the speed of a moving object depend? Write

the relation between these factors.

15. If a body travels in a straight line and covers equal distance in equal time.

What kind of motion is it said to be? What is the shape of distance Vs time

graph in this kind of motion? Plot a graph for it.​

Answer 1

Answer:

This is the answer of Q.no.1