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Science and Technology - General Knowledge Questions
A)
communicate the information to a group of people
B)
disseminate the contents to a wide audience
C)
judge the purpose and message in a thoughtful way
D)
express the main idea in a clear and specific way

Correct Answer : Option (C) - judge the purpose and message in a thoughtful way

A)
crystallization
B)
centrifugation
C)
decantation
D)
fractional distillation

Correct Answer : Option (B) - centrifugation

Centrifugation is a method of separating very small insoluble particles in a liquid having different densities by spinning them in solution around an axis (in a centrifuge rotor) at high speed.

A)
Insulin
B)
Estrogen
C)
Both (a) & (b)
D)
None of the above

Correct Answer : Option (A) - Insulin

A protein that acts as a hormone is INSULIN.
 
Insulin is a peptide hormone produced by beta cells of the pancreatic islets; it is considered to be the main anabolic hormone of the body.  Insulin helps keeps your blood sugar level from getting too high or too low.  

A)
Gall bladder
B)
Kidney
C)
Liver
D)
Pancreas

Correct Answer : Option (D) - Pancreas

The gland called pancreas secrete two hormones and they are primarily responsible to regulate glucose levels in blood.

A)
Har Gobind Khorana
B)
J.J. Thompson
C)
Herbert Boyer
D)
Alexander Markham

Correct Answer : Option (A) - Har Gobind Khorana

Synthesis of the first complete gene, a yeast tRNA, was demonstrated by Har Gobind Khorana and coworkers in 1972.

A)
Zwitter ions
B)
Neutral
C)
Hydrophylic
D)
Hydrophobic

Correct Answer : Option (D) - Hydrophobic

Lipids are soluble in solvents of low polarity, which simply means that lipids are soluble in nonpolar solvents. This solubility property is a result of the large nonpolar regions that are indicative of the lipid molecule.

A)
an individual’s glucose/insulin ratio in a fasted state
B)
the amount of insulin required to metabolize 100 grams of glucose
C)
the extent to which a given food raises blood glucose and insulin levels
D)
the glucose content of a given food

Correct Answer : Option (C) - the extent to which a given food raises blood glucose and insulin levels

The glycemic index or glycaemic index is a number associated with the carbohydrates in a particular type of food that indicates the effect of these carbohydrates on a person's blood glucose (also called blood sugar) level. A value of 100 represents the standard, an equivalent amount of pure glucose.
 
The GI represents the rise in a person's blood sugar level two hours after consumption of the food.

A)
marine biology
B)
environmental science
C)
oceanography
D)
meteorology

Correct Answer : Option (B) - environmental science

Climatology is a study of climate which is subspecialty of environmental science studies.

A)
Pure substance
B)
Compound
C)
Solution
D)
None of the above

Correct Answer : Option (C) - Solution

A homogeneous mixture is also called as solution.
 
The term "solution" is more frequently used when a homogeneous mixture is a liquid, although it is sometimes used if the homogeneous mixture is a gas. Another name for a solid homogeneous mixture of metals is an alloy.

A)
Ribosomes
B)
Chromosomes
C)
Cytoplasm
D)
Nucleus

Correct Answer : Option (A) - Ribosomes

Ribosomes are the sites where proteins are synthesised. The transcription process where the code of the DNA is copied occurs in nucleus but the main process of translating that code to form other protein occurs in ribosomes.