Chemical formula for Water is _______ ...? Mcqs

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Chemical formula for Water is _______ ...?

(A) NaAlO2
(B) H2O

(C) Al2O3
(D) CaSiO3

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Which of the following statements is incorrect about Cycas...?

(A) Cycas plants are gymnosperms.
(B) Cycas leaves are pinnately compound.

(C) Cycas have vessel elements in their xylem.
(D) Cycas produce seeds but do not form flowers.

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Development of calf muscles in ladies who wear high heels is a common example of:...?

(A) Natural Selection
(B) inheritance of acquired character

(C) Use and disuse of organ
(D) Artificial selection

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Pupa of butterfly is also called...?

(A) Chrysalis
(B) Eggs

(C) Larva
(D) Adult

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If force of 6N displaces an object 2m in the direction of force, then work done will be __________...?

(A) 0
(B) 12 Joule

(C) 3 Joule
(D) Both b and c

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The top atmosphere of the Earth directly reflects back into space nearly what part of the total amount of sun’s energy coming to it...?

(A) 10%
(B) 20%

(C) 30%
(D) 50%

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The only non metal exists in liquid state is ___________...?

(A) Mercury
(B) Bromine

(C) Phosphorus
(D) Iodine

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Sun is divided into ______ main layers....?

(A) 2
(B) 3

(C) 4
(D) 5

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Another name of RDX is ___________...?

(A) Cyanohydrin
(B) Dextran

(C) Cyclohexane
(D) Cyclonite

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Sodium carbonate is produced by____________...?

(A) haber process
(B) Amonia solvay process

(C) decons process
(D) lead chamber process

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