Question

What is the process of loosening and turning of the soil called?

a) Tilling or ploughing b)Sowing c)Crop rotation d)Threshing


2.Which of the following disease is caused by bacteria?

a) Malaria b) Chicken pox c) Tuberculosis d) Polio


3. Most suitable material for making handle of frying pans is..

a) Melamine b) Teflon c) PVC d) Bakelite


4. Name the metal which does not react with dilute hydrochloric acid.

a) Copper b) Iron c) Magnesium d) Zinc


5. Cell which lacks of nuclear membrane is...

a)Eukaryotic cell b) Prokaryotic cell c) None d) All


6. Which of the following is found in plant cells only

a)Nucleus b) Vacuole c) Plasma membrane d) Plastid


7.Which one of the following produces less friction...

a) Sliding box on a horizontal surface

b) Box sliding down a slope

c) Stationary box

d) Box with wheel​

Answer 1

Answer:

1.b

2.c

3.c

4a

5.d

6.d

7.d

Answer 2

Answer:

1)tilling or ploughing

2) tuberculosis

4)copper

6)plastid

7)sliding box on a horizontal surface