Sound waves first enter the ______...? Mcqs

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Sound waves first enter the ______...?

(A) Eardrum
(B) Cochlea

(C) Ear Canal
(D) Stirrup

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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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2017 Nobel Prize Currently Awarded in Physics is for_________________...?

(A) Far Observation of Gravitational Waves
(B) Far Observation of Gravitational Weight

(C) First Observation of Gravitational Waves
(D) Far Objectivity of Gravitational Waves

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The life cycle of butterfly is...?

(A) Eggs→caterpillar→pupa→butterfly
(B) Eggs→pupa→caterpillar→butterfly

(C) Eggs→butterfly→caterpillar→pupa
(D) Eggs→caterpillar→butterfly→pupa

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How many meters are in one mile...?

(A) How many meters in one mile?
(B) 1409.34

(C) 1509.34
(D) 1609.34

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If pH value is greater than 7, then solution is ______...?

(A) Acidic
(B) Basic

(C) Amphoteric
(D) Neutral

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The element common to all acids is:__________...?

(A) Hydrogen
(B) Carbon

(C) Sulphur
(D) Oxygen

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Which of the following is not the organic bases of DNA...?

(A) Adenine
(B) Cytosine

(C) Thymine
(D) Uracil

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Which gas is produced when trees and fossil fuels are burnt...?

(A) Carbon monoxide
(B) Carbon dioxide

(C) Nitrogen oxide
(D) Oxygen

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The maintenance of body temperature with in suitable limit is called...?

(A) Homeotherm
(B) Thermoregulation

(C) Osmoregulation
(D) Heterotherm

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