Covalent network crystals have_____________...? Mcqs

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Covalent network crystals have_____________...?

(A) higher melting point then molecular crystals
(B) lower melting point then molecular crystals

(C) discrete molecules linked by Van der waals forces
(D) hydrogen bonding

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Botany is also called _______ ...?

(A) Phytology
(B) Phycology

(C) Pedology
(D) Plantophyta

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Atmospheric pressure at sea level is _______...?

(A) 746 mm
(B) 760 mm

(C) 820 mm
(D) None of these

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Insulin drug was discovered by____________...?

(A) Charles Herbert Best
(B) Prof John James Rickard Macleod

(C) Sir Frederick Grant Banting
(D) Leonard Thompson

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Flowering plants are further divided into how many main types...?

(A) Two
(B) Three

(C) Four
(D) Five

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In animal meiosis produces _____...?

(A) Gametes
(B) Zygotes

(C) Embryos
(D) Somatic cells

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The most abundant element in human body is __________...?

(A) Hydrogen
(B) Blood

(C) Oxygen
(D) Protein

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What is the name of the Active asteroid discovered near Jupiter...?

(A) 2019 Jup1036
(B) 2019 JR10A

(C) 2019 LD2
(D) 2019 AA1

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Matter exists in______ states....?

(A) One
(B) Three

(C) Five
(D) None of these

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What is the breathing rate of human being body...?

(A) 15-11 minutes
(B) 16-20 minutes

(C) 25-26 minutes
(D) 32-35 minutes

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