Emerald is generally _______ in color.
- (A) Yellow
- (B) Violet
- (C) Prussian
- (D) Deep green
- (D) Deep green
Pesticides and fertilizers are the source of:
- (A) Acid rain
- (B) Domestic waste
- (C) Agriculture waste
- (D) Industrial waste
- (C) Agriculture waste
The tendency of a liquid drop to contract and occupy minimum area is due to:
- (A) Density
- (B) Surface tension
- (C) Viscosity
- (D) Vapor pressure
- (B) Surface tension
Which of the following is biodegradable?
- (A) Paper
- (B) Plastic
- (C) D.D.T
- (D) Aluminum
- (A) Paper
Which of the following is biodegradable polymer?
- (A) Nylon
- (B) Polythene
- (C) PVC
- (D) Cellulose
- (D) Cellulose
The gas used in the welding and cutting of metals is:
- (A) Hydrogen
- (B) Nitrogen
- (C) Ethyne
- (D) Carbon dioxide
- (C) Ethyne
How many bones are there in a newly born baby?
- (A) 206
- (B) 230
- (C) 280
- (D) 300
- (D) 300
Which of the following vitamin can be stored in the liver?
- (A) Vitamin A
- (B) Vitamin D
- (C) Vitamin K
- (D) All of the above
- (D) All of the above
What is the S.I unit of temperature?
- (A) Centigrade
- (B) Kelvin
- (C) Celsius
- (D) Fahrenheit
- (B) Kelvin
Another organ that filters the blood besides the kidneys in the body is:
- (A) Liver
- (B) Heart
- (C) Spleen
- (D) Pancreas
- (C) Spleen
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