Question

Water absorption through roots can be increased by keeping the plants 1

(i) In the shade (ii) In dim light

(iii) Under the fan (iv) Covered with a polythene

bag

3. The blood of human being is red due to 1

(i) Red blood cells (ii) White blood cells

(iii) Platelets (iv) Haemoglobin

4. The organ which filters waste from blood in human body is 1

(i)Heart (ii) Kidney

(iii) Stomach (iv) Lungs

5. Which of the following relations is correct? 1

(i) Speed = Distance × Time (ii) Speed =Distance/Time

(iii) Speed =Time/Distance (iv) Speed =1/Distance ×

Time

6. The basic unit of speed is: 1

(i) km/min (ii) m/min

(iii) km/h (iv) m/s

7. A car moves with a speed of 40 m/s for 10 s and then with a speed of 60 m/s for the

next 10

s. The total distance covered by the car is: 1

(i) 1000 m (ii) 250 m

(iii) 150 m (iv) 2000 m​

Answer 1

Answer:

1 (I)

3 (iii)

4(ii)

5(ii)

6(iv)

7(iii)