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1. Which of the following helps to translocate a variety of organic and inorganic solutes from the leaves to other parts of the plants?

A

Cortex

B

Pith

C

Phloem

D

Xylem

2. Which of the following protocols is related to ozone layer depletion?

A

Montreal Protocol

B

Kyoto Protocol

C

Cartagena Protocol

D

Nagoya Protocol

3. Which Newton`s law gives the relationship between force, mass and acceleration?

A

Newton`s Law of Cooling

B

Newton`s Second Law of Motion

C

Newton`s Third Law of Motion

D

Newton`s First Law of Motion

4. Which of the following is an example of secondary electrical battery?

A

Leclanche cell

B

Nickel - Cadmium Battery

C

Dry Cell

D

Lithium Cell

5. Which of the following forms of energy is an example of a primary energy source?

A

Sun

B

Biofuels

C

Liquified Petroleum Gas (LPG)

D

Diesel

6. Which of the following devices converts mechanical energy into electrical energy?

A

Battery

B

Solar Energy

C

Generator

D

Electrical Fuse

7. Autotrophic nutrition is found only in ________.

A

Fishes

B

Green Plants

C

Birds

D

Mammals

8. The electrical instrument rheostat is used to control electric current by varying the _________.

A

Resistance

B

Frequency

C

Capacitance

D

Inductance

9. Which of the following gas laws shows the relationship of volume and number of gas particles?

A

Avogadro Law

B

Gay Lussac`s Law

C

Charles Law

D

Boyle`s Law

10. Which of the following processes denotes water soluble inorganic nutrients go down into the soil horizon and gets precipitated as unavailable salts?

A

Eutrophication

B

Fragmentation

C

Leaching

D

Biomagnification

11. What is the chemical symbol of Sodium?

A

Au

B

Na

C

Pb

D

Ag

12. Which of the following particles has no electrical charge?

A

Positron

B

Electron

C

Neutron

D

Proton

13. What is the SI unit of the wavelength?

A

Watt

B

Hertz

C

Metre

D

Second

14. Which of the following has the lowest frequency in an electromagnetic spectrum?

A

Gamma Rays

B

Micro Waves

C

Radio Waves

D

Alpha Waves

15. Which of the following is an example of amorphous solid?

A

Mica

B

Quartz

C

Diamond

D

Rubber

16. What is the atomicity of Helium?

A

2

B

1

C

8

D

3

17. Which type of energy source is solar energy?

A

Conventional

B

Non-Renewable

C

Non-Conventional

D

Exhaustible

18. Which of the following is an example of mineral fuel?

A

Bauxite

B

Manganese

C

Mica

D

Coal

19. Which of the following vitamin deficiencies causes Xerophthalmia?

A

Vitamin A

B

Vitamin E

C

Vitamin K

D

Vitamin B12

20. Which of the following vitamins is also known as Thiamine?

A

Vitamin C

B

Vitamin B1

C

Vitamin B6

D

Vitamin B12