Which rays are trapped in our galaxy by magnetic waves...? Mcqs

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Which rays are trapped in our galaxy by magnetic waves...?

(A) Alpha rays
(B) Gamma rays

(C) Cosmic rays
(D) None of these

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Latest MCQs

What is the large organelle that fills with cell sap and contains water and dissolved substances like sugar and salt...?

(A) Nucleus
(B) Mitochondria

(C) Large Vacuole
(D) Golgi Apparatus

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Latest MCQs

Loss of internal water of plant in the form of vapours from aerial parts of plants is called...?

(A) Evaporation
(B) Respiration

(C) Transpiration
(D) Photosynthesis

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Latest MCQs

Vernal equinox of northern hemisphere in March marks season of __________ ...?

(A) Spring
(B) Summer

(C) Winter
(D) Autumn

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Latest MCQs

Soil pollution is caused by...?

(A) Aerosol
(B) Ozone

(C) Acid rain
(D) All of these

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During a total solar eclipse there is most likely to be_____________...?

(A) A decrease in the rate of photosynthesis
(B) An increase in the rate of photosynthesis

(C) A decrease in the rate of respiration
(D) No effect on either photosynthesis or respiration

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The sun is _________times bigger than the Earth....?

(A) 105
(B) 107

(C) 109
(D) 111

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Latest MCQs

When the angle of refraction is 90° and the refractive index for water is 1. 33, the critical angle is ______...?

(A) 48.8°
(B) 50.0°

(C) 49.1°
(D) 51.0°

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Latest MCQs

Which of the following will you use to remove rust stains on cloth...?

(A) Alcohol
(B) Oxalic Acid Solution

(C) Kerosene Oil
(D) None of These

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Latest MCQs

What type of energy wind produces which is used to rotate the blades of fan of energy system...?

(A) Potential energy
(B) Kinetic energy

(C) Thermal energy
(D) Electrical energy

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