Question

8. Which scientist gave the law of octaves for the classification of elements ?
A. Dobereiner B. Newlands C. Mendeleev D. Henry Moseley
9. Which lens is used in spectacles by a person suffering from far-sightedness?
A. Convex lens B. Concave lens C. Cylindrical lens D. Bifocal lens
11. Match the following:
Column 'A
(Asexual reproduction method)
1. Binary fission
2. Multiple fission
3. Bud formation
Column 'B'
(Example)
a. Hydra
b. Amoeba
c. Spirogyra
d. Plasmodium
A. (1 - d), (2-c), (3-b).
C. (1 - b), (2-d), (3-a).
B. (1-c), (2-b), (3-a).
D. (1 - a), (2-d), (3-c).​

Answer 1

Explanation:

8.b

9.a

11.d

PLEASE DO BRAINLIST

Answer 2

8. Which scientist gave the law of octaves for the classification of elements ?

A. Dobereiner

B. Newlands

C. Mendeleev

D. Henry Moseley

9. Which lens is used in spectacles by a person suffering from far-sightedness?

A. Convex lens

B. Concave lens

C. Cylindrical lens

D. Bifocal lens

11. Match the following:

Column 'A

(Asexual reproduction method)

1. Binary fission

2. Multiple fission

3. Bud formation

Column 'B'

(Example)

a. Hydra

b. Amoeba

c. Spirogyra

d. Plasmodium

A. (1 - d), (2-c), (3-b).

C. (1 - b), (2-d), (3-a).

B. (1-c), (2-b), (3-a).

D. (1 - a), (2-d), (3-c).