Which of the following invention is oldest ...? Mcqs

Latest MCQs

Which of the following invention is oldest ...?

(A) Clock
(B) Microscope

(C) Barometer
(D) Cycle

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Latest MCQs

Opening and closing of stomata is also regulated by ___...?

(A) Epidermal cells
(B) Guard cells

(C) Root hair cells
(D) Mesophyll cells

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Latest MCQs

Botany is also called _______ ...?

(A) Phytology
(B) Phycology

(C) Pedology
(D) Plantophyta

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Latest MCQs

Weigh of a body can be measured using a spring balance, it differs from place to place because of variation in ______...?

(A) Acceleration
(B) Gravitational pull

(C) Velocity
(D) Size of spring balance

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Latest MCQs

In a photocell light energy is converted into...?

(A) potential energy
(B) chemical energy

(C) heat energy
(D) electrical energy

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Latest MCQs

Splitting of water in presence of light called...?

(A) Hydrolysis
(B) Glycolysis

(C) Photolysis
(D) None of these

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Latest MCQs

Which one of the following is not a fraction of crude oil...?

(A) Petroleum coke
(B) Ammonia

(C) Fuel oil
(D) Paraffin wax

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Latest MCQs

A chemical change is called a _____...?

(A) Physical Change
(B) Phase Transition

(C) Chemical Interaction
(D) Chemical Reaction

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Latest MCQs

How many kgs are in one ton...?

(A) 707
(B) 907

(C) 807
(D) 607

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Latest MCQs

Part of earth where life exists is called ______...?

(A) Lithosphere
(B) Atmosphere

(C) Biosphere
(D) Hydrosphere

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