General Science Questions is a very common topic as It is very important in AFCAT CDS NDA TA entrance exams. Applicants whether they are preparing for jobs exam or Defence entrance exam , they must remember Genreal Science questions and answers. In this article we are sharing few AFCAT CDS NDA TA Exam General Science MCQs

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AFCAT CDS NDA TA Exam General Science MCQs

 

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• When a gas is turned into a liquid, the process is called

A. condensation

B. evaporation

C. deposition

D. sublimation

• Which of the following parts of the sun is easily visible only during a total solar eclipse?

A. core

B. photosphere

C. sunspots

D. corona

• Earth’s seasons are caused by which of the following?

A. The tilt of the earth’s rotation relative to the ecliptic as earth revolves around the sun

B. The varying amount of sunspot activity

C. The earth’s orbit around the sun as an exlipse rather than a circle

D. The rotation of during a 24-hour day

• Which of the following elements is a metal

A. S

B. Se

C. I

D. Ga

• Pollination by birds is called

A. autogamy

B. ornithophily

C. entomophily

D. anemophily

• Which prefix is often used with scientific terms to indicate that something is the same, equal or constant?

A. iso

B. mega

C. meta

D. quasi

• Superconductivity is a material property associated with

A. cooling a substance without a phase change

B. frictionless liquid flow

C. a loss of thermal resistance

D. a loss of electrical resistance

• Cystitis is the infection of which of the following?

A. liver

B. urinary bladder

C. pancreas

D. lung

• A cyclone is an engineering device that is used to

A. transport materials

B. segregate particles

C. control switching devices

D. model fractals

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• With reference to the soil conservation, consider the following practices:

1. Crop relation
2. Sand fences
3. Terracing
4. Wind breaks
Which of the above are considered appropriate methods for soil conservation in India?

A. 1, 2 and 3 only

B. 2 and 4 only

C. 1, 3 and 4 only

D. 1, 2, 3 and 4

• A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive, and O positive. The blood group of the adopted son is

A. O positive

B. A positive

C. B positive

D. Cannot be determined on the basis of the given data

• At present, scientists can determine the arrangement or relative positions of genes of DNA sequences on a chromosome. How does this knowledge benefit us?

1. It is possible to know the pedigree of livestock.
2. It is possible to understand the causes of all human diseases.
3. It is possible to develop disease-resistant animal breeds.
Which of the statements given above is/are correct?

A. 1 and 2 only

B. 2 only

C. 1 and 3 only

D. 1, 2 and 3

• The speed of light with the rise in the temperature of the medium

A. Increases

B. Decreases

C. Remains unaltered

D. Drops sharply

• The hardest substance available on earth is

A. Platinum

B. Diamond

C. Quartz

D. gold

• The general direct flow of summer monsoon in India is

A. From South to North

B. From South West to South East

C. From South East to South West

D. From South West to North East

• The dynamo is a device for converting

A. Heat energy into electrical energy

B. Mechanical energy into electrical energy

C. Magnetic energy into electrical energy

D. None of the above

• The blue colour of the clear sky is due to

A. Diffraction of light

B. Dispersion of light

C. Reflection of light

D. Refraction of light

• Thalassaemia is a hereditary disease affecting

A. Blood

B. Lungs

C. Heart

D. Kidney

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• Spinach leaves are rich source of

A. Vitamin A

B. Iron

C. Carotene

D. Vitamin E

• Select the one which is not a mixture

A. Air

B. Gasoline

C. LPG

D. Distilled water

• Plant cells can usually be distinguished because only plant cells possess

A. Cell walls and mitochondria

B. Golgi bodies and central vacuoles

C. Cell walls and central vacuoles

D. Chromosomes and mitochondria

• With reference to the work of human kidney, consider the following statement:

1. After the waste is remove in the kidney, the clear blood is sent back through renal artery.
2. From Bowman’s capsule, the filtered liquid passes through tiny tubes where much of the gluclose is reabsorbed and sent back to the blood in the renal vein. Which of the following is/are correct?
A. Only 1

B. Only 2

C. Both 1 & 2

D. Neither 1 nor 2

• WiMAX is related to which one of the following?

A. Biotechnology

B. Space technology

C. Missile technology

D. Communication technology

• Which one of the following is a water soluble vitamin?

A. Vitamin A

B. Vitamin C

C. Vitamin D

D. Vitamin K

• Which of the following uses non-conventional Source of Energy?

A. Kerosene lamp

B. Wax candle

C. Solar lantern

D. Torch

• Which of the following order is given to the plantes of solar system on the basis of their sizes?

A. Jupiter, Saturn, Earth, Mercury

B. Saturn, Jupiter, Mercury, Earth

C. Mercury, Earth, Jupiter, Saturn

D. Earth, Mercury, Saturn, Jupiter

• Which of the following is not a natural fibre

A. Silk

B. Jute

C. Coir

D. Rayon

• The characteristic odour of Garlic is due to which one of the following?

A. Chlorine-containing compounds

B. Fluorine-containing compounds

C. Nitrogen-containing compounds

D. Sulphur-containing compounds

• Evaporation from water surfaces exposed to air is not dependent of the

A. velocity of the wind

B. humidity

C. temperature

D. depth of the water