General Knowledge(GK) (or) General Awareness

Welcome to the General Knowledge Section of Free Time Learning. As we are aware General Knowledge (GK) is a very important area in all the competitive exams held in the country. Nowadays, a good knowledge of general awareness is very important in clearing any competitive and government recruitment examinations.

These General Knowledge Question are very important and usefull to UPSC, IAS/PCS, UPPSC, IBPS, SBI, RBI, SSC, CGL, Railway, APPSC, TSPSC, KPSC, TNPSC, TPSC, UPPSC, MPSC, RPSC, BPSC, MPPSC, UKPSC, MPSC, and other competitive exams.

1 .

Most stars are at what point in their life cycles?

Supernova

Red Giant

Protostar

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.

Published On : June 13, 2021

2 .

The HIV virus weakens the immunity of a person because it destroys

Platelets

Erythrocytes

Mast cells

lymphocytes

Correct Answer : lymphocytes

The HIV virus continuously invades and destroys T-cells (lymphocytes). Eventually the body can't replace the T-cells fast enough, and the immune system deteriorates. When the immune system has deteriorated to the point that it is unable to fight off diseases, a person is diagnosed with AIDS.

Published On : June 13, 2021

3 .

Polypeptides are assembled from

Chromosomes

Ribosomes

Aminoacids

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.

Published On : June 13, 2021

4 .

How many commands are there in the Indian Navy?

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

Published On : June 13, 2021

5 .

Hormone that helps regulate calcium balance

parathyroid

endocrine

pancreas

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.

Published On : June 13, 2021

6 .

Which one of the following gases is released mostly from landfills in urban areas?

Oxygen

Methane

Nitrogen

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.

Published On : June 13, 2021

7 .

Lacto-ovo vegetarians would not eat

Meat, poultry, milk products

Egg, meat and milk products

Fish and egg

Meat, poultry, fish

Correct Answer : Meat, poultry, fish

Lacto-ovo vegetarians who eat milk products and eggs but would not eat Meat, poultry, fish.

Published On : June 13, 2021

8 .

The fish that can taste with its whole body?

Arctic tern

Koala

Catfish

None of the above

Correct Answer : Catfish

Catfish is the fish that can taste with its whole body. The catfish has the ability to taste its food with all its body parts. As per the findings, catfish has nearly 100,000 taste buds on its body and the count exceed with large catfishes right up to 175,000 taste buds.

Published On : June 13, 2021

9 .

The most productive ecosystem in the biosphere is

Tundra

Open Ocean

Desert

Estuary

Correct Answer : Estuary

Published On : June 13, 2021

10 .

The white matter of the spinal cord contains

myelinated and unmyelinated nerve fibers

unmyelinated nerve fibers only

myelinated nerve fibers only

some have both myelinated and unmyelinated nerve fibers

Correct Answer : myelinated and unmyelinated nerve fibers

Gray matter contains neural cells, dendrites, and axon terminals, while white matter consists of axons and myelin, and plays a key role in nerve cells' ability to connect to one another. Injury to either variety of tissue can interfere with your central nervous system's ability to function.

Published On : June 13, 2021