Everyday Science MCQs

5120 MCQs  (Page 436 of 512)

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Chromosomes are made up of __________ ?
A. Dna only
B. Dna and rna
C. Proteins only
D. Dna and proteins
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The place of centromere where spindle fibres get attached is_________?
A. Kinetochore
B. Kinochore
C. Centromere region
D. All of these
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The principal constituent of the atmosphere of the Earth is?
A. Oxygen
B. Carbon
C. Hydrogen
D. Nitrogen
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Main constituent in air is ___________?
A. Oxygen
B. Nitrogen
C. Hydrogen
D. Helium
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Combustion can not take place without __________?
A. Hydrogen
B. Air
C. Oxygen
D. Argon
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The Aurora Borealis, also known as ________?
A. Western lights
B. Southern lights
C. Eastern lights
D. Northern lights
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Wireless transmission can be done via _____________?
A. A infrared waves
B. Radio waves
C. Microwaves
D. All of these
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Enzyme discovered by: ___________?
A. Jons jacob berzelius
B. Anselme payen
C. Walter bradford cannon
D. None of these
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homeostasis discovered by __________?
A. Walter bradford cannon
B. Anselme payen
C. Jons jacob berzeliis
D. None of these
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Which one of the following elements the drum of a Photostat machine is made up of: _________?
A. Aluminium
B. Selenium
C. Barium
D. None of these
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Word of the Day
28 Jul
Fragile
(of an object) easily broken or damaged.
نازک، کاغذی، آسانی سے ٹوٹ جانیوالا

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