Laughing gas has chemical composition of following two elements ?
A. Nitrogen + Hydrogen
B. Nitrogen + Carbon
C. Nitrogen + Oxygen
D. Oxygen + Carbon
E. None of these
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Sensitive layer of the eye is?
Sensitive layer of the eye is?
A. Choriods
B. Sclerotic
C. Retina
D. Cornea
E. None of these
The name of the common mineral salt present in sweat is ?
The name of the common mineral salt present in sweat is ?
A. Calcium Oxalate
B. Potassium Sulphate
C. Sodium Chloride
D. Iron Sulphate
E. None of these
Study of life in outer space is known as ?
Study of life in outer space is known as ?
A. Endobiology
B. Exobiology
C. Enterobiology
D. Neobiology
E. Micro biology
Person with following blood group are considered to be universal recipient ?
Person with following blood group are considered to be universal recipient ?
A. A+
B. B+
C. AB+
D. O+
E. None of these
One of the main function of the earth’s ozone layer is to ?
One of the main function of the earth’s ozone layer is to ?
A. Prevent global warming
B. Filter out ultraviolet rays
C. Absorb pollution
D. All of the above
A light year is a unit of ?
A light year is a unit of ?
A. Time
B. Energy
C. Length
D. Mass
Basic metals can be converted into gold by ?
Basic metals can be converted into gold by ?
A. Heating
B. Beating
C. Artificial nuclear radioactivity
D. Chemical reaction
The famous book; Al – Qanun was written by the Muslim scientist ?
The famous book; Al – Qanun was written by the Muslim scientist ?
A. Jabar bin Hayyan
B. Zakariya Al – Razi
C. Abu Ali Sina
D. Abdul Qasim Majreeti
Which of the following elements is not present abundantly in earth’s crust ?
Which of the following elements is not present abundantly in earth’s crust ?
A. Silicon
B. Radium
C. Aluminum
D. Carbon