Aeroplanes fly in ______...?

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Aeroplanes fly in ______...?

(A) Troposphere

(B) Stratosphere

(C) Mesosphere

(D) Thermosphere

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Silicon is an example of ______...?

(A) Conductor

(B) Insulator

(C) Resistor

(D) Semiconductor

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Ethyl alcohol was prepared by ______...?

(A) Ibne-Sina

(B) Al-Razi

(C) Al-Beruni

(D) Jaber bin-Hayan

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What is the distance of the star Proxima Centauri from the planet Earth ________...?

(A) 4.2 light years

(B) 3.2 light years

(C) 2.4 light years

(D) 1.5 light years

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Examples of _______ properties involved melting, transition to a gas, change of durability and changes to crystal form....?

(A) Physical

(B) Chemical

(C) Nuclear

(D) Biological

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Light dependent reaction takes place in ______...?

(A) Stroma

(B) Thylakoid

(C) Cristae

(D) Cisternae

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A healthy child 7-14 years of age, required approximately _______ gram of protein per kilogram of body weight....?

(A) 1

(B) 2

(C) 3

(D) 4

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Vacuum tubes have been replaced by__________...?

(A) Conductors

(B) Diodes

(C) Transistors

(D) None of these

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Plant stem that arise from buds on the base of parent plants are ______...?

(A) Bulb

(B) Rhizome

(C) Sucker

(D) Runner

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Humans can hear in the range of to _Hertz (Hz)....?

(A) 10 Hz to 10,000 Hz.

(B) 20 Hz to 20,000 Hz.

(C) 30 Hz to 30,000 Hz.

(D) 40 Hz to 40,000 Hz.

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The three elements needed for healthy growth of plants are __________...?

(A) N, P, K

(B) N, C, P

(C) N, K,

(D) N, S, P

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The volume of Blood in a Human body to be approximately _________ of body weight...?

(A) 6%

(B) 7%

(C) 8%

(D) 9%

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A burning candle is an example of ______ state of matter....?

(A) Gas

(B) Liquid

(C) Solid

(D) All three

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Silicon is an example of _________...?

(A) No-conductor

(B) Semiconductor

(C) Super Conductor

(D) None of these

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The earth’s atmosphere is divided into layers based on the vertical profile of __________...?

(A) Air pressure

(B) Air temperature

(C) Air density

(D) Wind speed

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A camera uses a __________ to form an image....?

(A) convex lens

(B) concave lens

(C) condenser lens

(D) none of these

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The mesosphere ranges from to _...?

(A) 46 km to 85 km

(B) 48 km to 85 km

(C) 50 km to 85 km

(D) 52 km to 85 km

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Our atmosphere comprises of __________ Nitrogen...?

(A) 38% Nitrogen

(B) 58% Nitrogen

(C) 78% Nitrogen

(D) None of these

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The major differentiating organelle of animal and plant cells is ______...?

(A) Cell Membrane

(B) Chloroplast

(C) Nucleus

(D) Cytoplasm

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Vital functions for survival of animals are regulated by ______...?

(A) CNS

(B) PNS

(C) Somatic sub-division

(D) Autonomic sub-division

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When oil and gas resources are burnt they kill many forests and lakes by ________________ ...?

(A) deforestation

(B) water pollution

(C) acid rain

(D) forest fire

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Fog is an example of _________...?

(A) Gas in gas

(B) Gas in liquid

(C) Liquid in Gas

(D) Liquid in liquid

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The female gametophyte of angiospermic plant is ______...?

(A) Embryo sac

(B) Ovule

(C) Ovary

(D) Carpel

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Metal are highly ___________ ...?

(A) Electropositive

(B) Electronegativity

(C) Both of these

(D) Neutral

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Barnacles growing on the back of whale is an example for ________________...?

(A) mutualism

(B) parasitism

(C) amensalism

(D) commensalism

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In human osmoregulation takes place by___________...?

(A) Liver

(B) Kidney

(C) Spleen

(D) Lungs

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Water soluble vitamins are released by__________...?

(A) Sweat

(B) Tears

(C) Injections

(D) Urine

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Selective reabsorption in nephron takes place at ______...?

(A) Glomerulus

(B) Malpighian body

(C) Convulated tubules

(D) Loop of Henle's

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MRI or CT scan resulted from the image exploration of ______...?

(A) Moon

(B) Saturn

(C) Jupiter

(D) Sun

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The correct age of solar system is approximately __________...?

(A) 4.3 Billion years

(B) 4.4 Billion years

(C) 4.5 Billion years

(D) None of these

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Aeroplanes fly in ______...? Mcqs

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