What does the term circadian rhythm refer to?
Correct answer B. Human body cycles
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Everyday Science MCQs
Page 81 of Everyday Science multiple-choice questions with answers. Tap an option to check yourself.
Page 81 of 198
What term describes the point at which the Earth is nearest to the sun?
Correct answer D. Perihelion
In which layer of a cockroach’s cuticle is melanin pigment found?
Correct answer C. Exocuticle
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Earth is nearest the Sun each year in early ____, during the Northern Hemisphere winter, and farthest from it in early ____, during the northern summer. Which months complete this statement?
Correct answer D. January - July
In which layer of a cockroach’s cuticle is chitin absent?
Correct answer B. Epicuticle
What is the very small piece of silicon on which integrated circuits are fabricated called?
Correct answer C. Chip
Which organism causes abscesses on the skin of a person’s arms or legs?
Correct answer D. Guinea worm
What is the property of a substance that absorbs moisture from the air until it dissolves called?
Correct answer D. Deliquescence
In which phylum is the body usually divided into head, thorax and abdomen?
Correct answer C. Arthropods
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Which variety of coal still shows recognisable traces of the original plant material?
Correct answer A. Peat
In arthropods, which layer secretes the chitinous cuticle that covers the body?
Correct answer B. Epidermis
Which description fits bromine?
Correct answer A. Red-brown liquid
How many pairs of legs do all insects have?
Correct answer A. 3
To roughly what height does the mesosphere extend?
Correct answer C. 85 km
What is the rasping, tongue-like structure with many horny teeth found in the mouth of many molluscs?
Correct answer D. Radula
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Which is the second layer of the Earth’s atmosphere?
Correct answer A. Stratosphere
To which group do snails belong?
Correct answer D. Gastropods
What is the boundary separating Earth’s atmosphere from outer space called?
Correct answer C. Kármán line
What are lines joining places that feel the same intensity of an earthquake called?
Correct answer A. Seismic lines
What is the stiff rod of special cells wrapped in connective tissue that lies mid-dorsally in the embryos of all chordates?
Correct answer B. Notochord