Question

One mole of H2O means.

a. 18g of H2O b. 6.022 x 1023 molecules

C. 180g of H2O d. 1.8g of H2O

2. An alpha particle is known as

a. sub atomic particle b. an unionized helium

c. a neutral d. a doubly charged helium

3. The electronic configuration of chlorine is

a. 2, 7 b. 2,8,8,7

c. 2, 7, 8 d. 2, 8, 7

4. Tonoplast is associated with the

a. ER b. Vacuole

c. Nucleus d. Plasma Membrane

5. Nervous tissue is not found in

a. Brain b. Spinal cord

c. Nerve d. Tendons

6. Flexibility in plants is due to

a. Collenchyma b. Sclerenchyma

c. Parenchyma d. Chlorenchyma

7. Automobile exhaust gas that cause major respiratory problem is

a. CO b. NO2

c. Chlorine d. Carrot​

Answer 1

Answer:

1. both a and b can be answers
2. d option
3. d
4. b
5. d
6. a
7. a