Bt seed is associated with:___________?

A. Rice
B. Wheat
C. Cotton
D. Oilseed

Which is artificial manmade fiber?

A. Boron
B. Saffron
C. Rayon
D. None of these

According to Journal of Biological Chemistry 158, human brain and heart are composed of ________water?

A. 75%
B. 81%
C. 73%
D. 89%

Sound of frequency below 20 Hz is:___________?

A. Audiosonic
B. Infrasonic
C. Ultrasonic
D. Supersonic

What is the wavelength of visible spectrum:

A. 1300-3000a
B. 3900-7600a
C. 7800-8000a
D. None of these

Aviation fuel for Jet Aeroplanes consists of purified________?

A. Petrol
B. Kerosene
C. Gasoline
D. Diesel

The best conductor of heat among liquid is___________?

A. Water
B. Mercury
C. Ether
D. Alcohol

Vitamins were discovered by__________?

A. Moesley
B. Chadwick
C. Frank whittle
D. Casimir funk

Blood is cleaned by __________?

A. Lungs
B. Liver
C. Heart
D. Kidneys

To which of the following chambers of the heart, is the aorta connected?

A. Left ventricle
B. Right ventricle
C. Right auricle
D. Left auricle