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1. A ligament is a fibrous connective tissue that attaches ____, and usually serves to hold structures together and keep them stable.

A

Muscles to bone

B

Bone to Bone

C

Nerve to bone

D

Muscles to Muscles

2. Which among the following is the chemical name of Plaster of Paris?

A

Sodium chloride

B

Calcium chloride

C

Calcium sulfate hemihydrate

D

None of these

3. Which of the following deficiency of vitamin causes Rickets?

A

D

B

B

C

C

D

A

4. Which of the following is the largest bone found in human body?

A

Humerus

B

Radius

C

Femur

D

Sternum

5. Which of the following is an essential trace element involved in the correct packing and storage of insulin?

A

Sodium

B

Nickel

C

Zinc

D

Phosphorus

6. Find the Odd One Out from the following given option

A

Heart

B

Liver

C

Gloves

D

Kidney

7. Which one of the following is a component of tear gas?

A

Methane

B

Methanol

C

Ether

D

Chloropicrin

8. If in a concave mirror, the object is placed beyond the centre of curvature C, the size of the image will be ____.

A

diminished

B

highly

C

enlarged

D

similar size

9. Which of the following is correctly matched?
1. Richter scale - Magnitude
2. Mercalli scale - Intensity
3. Intensity scale range - 1 to 12

A

only 1

B

only 2

C

1 and 2

D

1, 2 and 3

10. Which of the following is true
1. Water with high salinity is denser than water with low salinity
2. Cold water is denser than warm water

A

Only 1

B

Only 2

C

Both 1 and 2

D

None of these

11. Which among the following is a clear, colourless, viscous, sweet-tasting liquid belonging to the alcohol of organic compounds?

A

Ethyl alcohol

B

Sodium Chloride

C

Glycerol

D

Oxalic Acid

12. Why does the clear sky appear blue?

A

blue light gets absorbed in the atmosphere

B

ultraviolet radiations are absorbed in the atmosphere

C

the short waves of blue light are scattered more than the other colours in the spectrum, making the blue light more visible

D

light of all other colours is scattered more than the violet and blue colour lights by the atmosphere

13. What is the ability used by some animals to emit high-pitched sounds and determine an object`s distance?

A

Magnetoreception

B

Soundcall

C

Echolocation

D

None of these

14. Which among the following is the causal organism for COVID-19?

A

Bacteria

B

Virus

C

Protozoa

D

Fungi

15. Which of the following is the full form of RNA?

A

red blood corpuscles

B

ribosomes

C

ribonucleic acid

D

none of these

16. Which of the following has Fruity smell?

A

Esters

B

Alcohols

C

Chloroform

D

Acid anhydride

17. Which of the following do not come under the Cetaceans group of species?

A

Fish

B

Whales

C

Porpoises

D

Dolphins

18. Which of the following is the most commonly used disinfectant in water purification?

A

Chlorine

B

Ozone

C

Mercury

D

Nitrogen

19. Which among the following are the principal constituents of petroleum and natural gas?

A

Allotropes

B

Hydrocarbons

C

Photolysis

D

Amorphous

20. which of the following acid is produced by our stomach which help in digestion?

A

Sulphuric acid

B

Nitric acid

C

Ascorbic acid

D

Hydrochloric acid