Question

Q-A Choose the correct option from the following:
1) By what is AIDS caused?
(d) Protozoan
(a) Virus
(b) Fungi
(c) Bacteria
2) How many essential elements are obtained by plants from soil?
(c) 14
(d) 15
(a) 12
(b) 13
3) The symbol for cadmium is
(a) Ca
(b) Cu
(c) Cd
(d) Cm
4) Which substance cannot be used to reduce friction?
(a) oil
(b) Grease
(c) Gum
(d) Graphite​

Answer 1

Explanation:

cftcsarg ggv vvg ghuuui

Answer 2

Answer:

1. Virus

2. 12

3. Cd

4. Gum