Science and Technology - General Knowledge Questions

A)
G1 phase
B)
G2 phase
C)
S - phase
D)
All of the above

Correct Answer :   G1 phase

It is the Interphase, which occurs after cytokinesis. And in interphase we have 3 stages likely G1, G2 and S phase. After cytokinesis we get G1 phase.

A)
Cobalt glass
B)
Pyrex glass
C)
Flint glass
D)
Ordinary glass

Correct Answer :   Flint glass

In the optical glass industry, flint glass is any highly refractive lead-containing glass used to make lenses and prisms. Because it absorbs most ultraviolet light but comparatively little visible light, it is also used for telescope lenses.

A)
Philatelist
B)
Numismatist
C)
Ornithologist
D)
Statistician

Correct Answer :   Numismatist

Numismatists : The term numismatist applies to collectors and coin dealers as well as scholars using coins as source or studying coins, paper money or medals..
Philatelist : a person who collects stamps.
Ornithologist : a person who studies on birds.
Statistician : an expert in the preparation and analysis of statistics.

A)
Carbohydrates
B)
Ammonia
C)
Uric Acid
D)
Urea

Correct Answer :   Carbohydrates

A)
Mitral valve
B)
Aortic valve
C)
Pulmonic valve
D)
Tricuspid valve

Correct Answer :   Aortic valve

The Aortic valve - located between the left ventricle and the aorta
The Mitral valve - located between the left atrium and left ventricle
The Tricuspid valve - located between the right atrium and the right ventricle (and) 
The Pulmonary (pulmonic) valve - located between the right ventricle and the pulmonary artery.

A)
Supernova
B)
Red Giant
C)
Protostar
D)
Main Sequence

Correct Answer :   Main Sequence

A star will enjoy most of its life in the main sequence phase. At this point nuclear fusion is turning hydrogen into helium. The star is only stable because the light pressure of this energy balances out the star's gravitational collapse.

A)
Chromosomes
B)
Ribosomes
C)
Aminoacids
D)
None of the above

Correct Answer :   Aminoacids

A peptide bond forms when the amino group of one amino acid bonds to the carboxyl group of another amino acid. A peptide is two or more amino acids joined together by peptide bonds, and a polypeptide is a chain of many amino acids. A protein contains one or more polypeptides.

A)
2
B)
3
C)
4
D)
5

Correct Answer :   3

The Indian Navy operates three operational Commands. They are : 
1. Western Naval Command - Mumbai
2. Eastern Naval Command  - Vishakhapatnam
3. Southern Naval Command - Kochi

A)
parathyroid
B)
endocrine
C)
pancreas
D)
None of the above

Correct Answer :   parathyroid

Parathyroid hormone regulates calcium levels in the blood, largely by increasing the levels when they are too low. It does this through its actions on the kidneys, bones and intestine: Bones – parathyroid hormone stimulates the release of calcium from large calcium stores in the bones into the bloodstream.

A)
Oxygen
B)
Methane
C)
Nitrogen
D)
Hydrogen

Correct Answer :   Methane

Decomposing waste in the landfills, by the action of microorganisms, produce methane and carbon dioxide. Landfill gas consists of 40-60% of methane and rest is carbon dioxide. Trace amount of volatile organic compounds (<1) are also present which mainly comprise of hydrocarbons.