The function of Kidney is to:

• Purify blood
• Fight against infection
• Digest the food
• None of these
Correct Option: A  [ Purify blood ]

Remark:

Sodium stearate is a salt and is used?

• in gunpowder
• in Paint
• to make Soap
• to make fertilizer
Correct Option: C  [ to make Soap ]

Remark:

Which of the following adds/add carbon dioxide to the carbon cycle on the planet earth ?
1. Volcanic action
2. Respiration
3. Photosynthesis
4. Decay of organic matter
(Select correct answer)

• 1, 2 and 4 only
• 1 and 3 only
• 2 only
• 1, 2 and 3 only
Correct Option: A  [ 1, 2 and 4 only ]

Remark:

Olive ridley is related to:

• turtle
• cease fire violations
• terrorist killings
• migratory bird
Correct Option: A  [ turtle ]

Remark:

One kilobyte is equal to:

• 1024 bytes
• 2048 bytes
• 1023 bytes
• 10000 bytes
Correct Option: A  [ 1024 bytes ]

Remark:

'Mirage' is an example of:

• refraction of light only
• total internal reflection of light only
• refraction and total internal reflection of light
• dispersion of light only
Correct Option: C  [ refraction and total internal reflection of light ]

Remark:

Sericuluture is a rearing practice of :

• Fishes
• Silk worm
• Honey bees
• Earth worm
Correct Option: B  [ Silk worm ]

Remark:

Living in the atmosphere of CO is dangerous because it:

• Reduces organic matter of tissues
• Dries up the blood
• Combined with O₂ present inside to form CO₂
• Combines with haemoglobin and makes it incapable of absorbing oxygen
Correct Option: C  [ Combined with O₂ present inside to form CO₂ ]

Remark:

Which of the following is the best conductor of heat ?

• mercury
• silver
• leather
• benzene
Correct Option: B  [ silver ]

Remark:

Which of the following branch deals with the various principles that govern the relationship between organisms and their environment?

• Histology
• Ecology
• Entomology
• Anthropology
Correct Option: B  [ Ecology ]

Remark: