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Current Affairs January 2024

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4

Earth's seasons are caused by which of the following?

A. The varying amount of sunspot activity

B. The tilt of the earth's rotation relative to the ecliptic as earth revolves around the sun

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

D. The rotation of during a 24-hour day

Correct Answer :

B. The tilt of the earth's rotation relative to the ecliptic as earth revolves around the sun


Related Questions

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The removal of top soil by water or wind is called

A. Soil erosion

B. Soil wash

C. Silting of soil

D. Soil creep

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4

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

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4

Bromine is

A. A Black solid

B. A red liquid

C. A highly inflammable gas

D. colourless gas insoluble in water

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4

The major ingredient of leather is

A. Nucleic acid

B. Carbohydrate

C. Collagen

D. Polymer

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4

Rust is

A. A mixture of FeO and Fe(OH)2

B. A mixture of Fe2O3 and Fe(OH)2

C. A mixture of Fe2O3, 3H2O and FeO

D. FeO only

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4

Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous glass called

A. Carbon Monoxide

B. Phosgene

C. Phosphine

D. None of these

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4

In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If both inputs are positive the output is zero. This is

A. an AND circuit

B. an OR circuit

C. a high-pass filter

D. a NOR circuit

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4

Nitrification means

A. Conversion of nitrogen to nitric acid.

B. Production of nitrogen from air

C. Convert the atmospheric nitrogen to effective nitrogen compound.

D. Liquifaction of nitrogen

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4

The recent atomic weight scale is based on

A. 1H1

B. 1H2

C. 6C12

D. 8O16

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4

The most important ore of Aluminium is

A. Calamine

B. Calcite

C. Galena

D. Bauxite

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4

Which of the following is the lightest metal ?

A. Mercury

B. Lithium

C. Lead

D. Silver

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4

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

A. Increases

B. Remains unaltered

C. Drops sharply

D. Decreases

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4

Brass gets discoloured in air due to the presence of which gas in air

A. Carbon dioxide

B. Hydrogen Sulphide

C. Oxygen

D. Nitrogen

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4

The metal used in storage batteries

A. Zinc

B. Iron

C. Copper

D. Lead

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4

The solar eclipse occurs when

A. the sun comes in between the moon and the earth

B. the moon comes in between the sun and the earth

C. the earth comes in the between the sun and the moon

D. None of the above

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4

Earth's seasons are caused by which of the following?

A. The varying amount of sunspot activity

B. The tilt of the earth's rotation relative to the ecliptic as earth revolves around the sun

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

D. The rotation of during a 24-hour day

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4

Quartz crystals normally used in quartz clocks etc. is chemically

A. A mixture of B and C

B. Silicon dioxide

C. Germenium dioxide

D. Sodium Silicate

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4

Apparatus invented by Archimedes is :

A. Pulley

B. Microscope

C. Thermemoter

D. Barometer

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4

The property of a substance to absorb moisture from the air on exposure is called

A. Desiccation

B. Efflorescence

C. Deliquescene

D. Osmosis

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4

The hardest substance available on earth is

A. Platinum

B. Quartz

C. gold

D. Diamond

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4

Permanent hardness of water can be removed by adding

A. Potassium Permanganate

B. Bleaching Powder

C. Chlorine

D. Washing Soda

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4

The element present in the largest amount in rocks and minerals is

A. Carbon

B. Hydrogen

C. Aluminium

D. Silicon

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4

Pollination by birds is called

A. autogamy

B. entomophily

C. anemophily

D. ornithophily

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4

The Panda belongs to the same family as that of

A. Cat

B. Bear

C. Rabbit

D. Dog

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4

Which of the following characters is not shown by hydrogen

A. It burns in air to form water

B. It supports combustion

C. It readily combines with fluorine and chlorine

D. It combines with almost all metals forming hydrides

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4

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

A. evaporation

B. condensation

C. sublimation

D. deposition

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4

Lightening cause rainfall because

A. It activate H2O molecule

B. Photo-electricity reaction starts

C. Some of the gas molecules become bigger

D. It cause combination of oxygen and nitrogen

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4

What is the unit for measuring the pitch or frequency of sound ?

A. Coulomb

B. Hum

C. Cycles

D. Decible

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4

The fastest acting enzyme in the biological kingdom is

A. amylase

B. lipase

C. carboxypeptidase

D. carbonic anhydrase

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4

The chemial name of Uria is

A. Carbamide

B. Chloroetane

C. Aneurin

D. None of these