If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by:

• mercury
• lead
• iron
• arsenic
Correct Option: B  [ lead ]

Remark:

How many bones are there in each hand of an adult human being?

• 19
• 27
• 37
• none of these
Correct Option: B  [ 27 ]

Remark: 8 carpal bones (Wrist).
5 metacarpal bones (Palm).
12 phalanges (Fingers).
02 sesamoid bones at the base of the thumb.
total to 27 bones in each hand.
.
Adult Human Body-206,

Plants prepare their food by:

• photosynthesis
• carbohydrolysis
• metabolic synthesis
• photorespiration
Correct Option: A  [ photosynthesis ]

Remark:

Which of the following can cause depletion of Ozone layer ?

• Hydrogen Sulphide
• Smoke
• Aerosols
• Hydrogen gas
Correct Option: C  [ Aerosols ]

Remark:

Persistence of vision is the principle behind:

• Camera
• Binocular
• Cinema
• Periscope
Correct Option: C  [ Cinema ]

Remark:

A vitamin requires cobalt for its activity. The vitamin is:

• Vitamin B₁₂
• vitamin D
• vitamin B₂
• Vitamin A
Correct Option: A  [ Vitamin B₁₂ ]

Remark:

Our bones and teeth are generally made of

• Tricalcium phosphate
• Fluoropetite
• Chloropetite
• Hydrolith
Correct Option: A  [ Tricalcium phosphate ]

Remark:

What is the S.I. unit of electric current?

• Volt
• Watt
• Ampere
• Ohm
Correct Option: C  [ Ampere ]

Remark:

Which acid is released when an Ant bites?

• Hydrochloric Acid
• Formic Acid
• Acetic Acid
• Phosphoric Acid
Correct Option: B  [ Formic Acid ]

Remark:

The process by which energy is generated in the Sun is :

• Nuclear fusion
• Nuclear fission
• Both nuclear fusion and nuclear fission
• The burning of gases
Correct Option: A  [ Nuclear fusion ]

Remark: