everyday science MCQs – Page 80

Practise multiple-choice questions from everyday science for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

everyday science Mcqs
1581. Enzymes are organic catalysts made up of __________?
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A. Proteins

B. Nucleic Acid

C. Carbohydrates

D. Fats

1582. Melting Point of Tungsten is?
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A. 3000 C

B. 2000 C

C. 4000 C

D. 1000 C

1583. Dioptre is used to measure ?
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A. Distance of heavenly bodies

B. Lens refractive power

C. Power

D. Luminous intensity

1584. Which of the following is a transition element?
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A. S

B. None of these

C. Cu

D. Cl

1585. Garnet is a______________?
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A. Igneous rock

B. Mineral

C. Sedimentary rock

D. None of these

1586. Which of the following is the major constituents of LPG?
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A. methane

B. hydrogen

C. ethane

D. butane
1587. Which has highest fuel value?
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A. Hydrogen

B. Charcoal

C. Gasoline

D. None of these

1588. Which chamber of human heart pumps fully oxygenated blood to aorta and hence to the body:
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A. Left Auricle

B. Left Ventricle

C. Right Ventricle

D. Right Auricle

1589. In thrombocytopenia condition, bone marrow makes?
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A. Too manyplatelets

B. Too few platelets

C. Normal platelets

D. Does not effect

1590. Which of the following planets rotate from east to west on its exis?
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A. Venus, Uranus

B. Neptune, Earth

C. Mercury, Saturn

D. Jupiter, Mars

1591. What cells are involved in bone remodeling?
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A. Osteoclasts

B. Osteoblasts

C. All of these

D. Osteocytes

1592. Dielectric constant of water is?
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A. 70

B. None of these

C. 60

D. 80
1593. Female Ova are ___________?
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A. Diploid

B. Haploid

C. None of these

D. Triploid

1594. Which is the second largest component in milk?
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A. Protein

B. None of these

C. Vitamin

D. Fat
1595. _________ means a line on a map connecting points having the same atmospheric pressure at a given time or on average over a given period.
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A. Isohel

B. Isobath

C. Isobar

D. Isohyet

1596. The red blood cells originate in the ____________?
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A. Ligaments

B. Brain

C. Bone Marrow

D. Muscles

1597. The brightest colour emitted by the sun is:
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A. Red

B. Green- Blue

C. Yellow-Green

D. Violet

1598. Which among the following lens is used to correct Presbyopia?
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A. Convex

B. Cylindrical

C. Bifocal

D. Concave

1599. In how many days pluto revolves around the sun _____?
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A. 248 years

B. 84 years

C. 88 years

D. 12 years

1600. Homologous means?
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A. Same Chemical Properties

B. Different Chemical Numbers

C. Same Chemical Numbers

D. Different Chemical Properties