1. When the speed of a moving body is doubled, what changes in its kinetic energy?

(a) remains the same

(b) quadruple

(c) triples

(d) doubles

A. (b) quadruple

2. Which of the following has the highest specific temperature?

(a) water

(b) iron piece

(c) gold piece

(d) chloroform

A. (a) Water

3. Temperature is a device used for systemic heating in a particular degree.

(a) thermostat

(b) thermometer

(c) Pyrometer

(d) thermocouple

A. (a) Thermostat

4. Humans are made of nails.

(a) Pirmament

(b) elastin

(c) albumin

(d) Keratin

Ans. (D) Keratin

5. Which artery does not transport oxygen-rich in human body?

(a) cardiac artery

(b) Renal artery

(c) Hepatic artery

(d) Pulmonary artery

Ans. (D) Pulmonary artery

6. Green spinach is abundant.

(a) Vitamin A

(b) Vitamin B

(c) Vitamin C

(d) All options are correct

A. (d) All options are correct

7. Which hydrocarbons are the main components of LPG?

(a) Methane and Ethane

(b) Propane and butane

(c) Paten and benzene

(d) Methane only

A. (a) Methane and Ethane

8. Which of the following is also known as Gelena?

(a) lead sulfate

(b) lead oxide

(c) lead sulfide

(d) Calcium sulfate

Ans. (C) Lead Sulfide

9. Which one of the following is a mangrove plant?

(a) Suse

(b) Moss

(c) Rhizophora

(d) Cyprus

Ans. (C) Rhizophora

10. Which of the following has the highest specific heat value?

(a) Alcohol

(b) Methane

(c) water

(d) Kerosene

A. (c) Water