Which element is the most abundant in the universe?
Correct answer A. Hydrogen
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Everyday Science MCQs
Page 115 of Everyday Science multiple-choice questions with answers. Tap an option to check yourself.
Page 115 of 198
What makes up about 80% of the food of sponges?
Correct answer C. Detrital organic particles
Roughly how many litres of blood does an average adult have?
Correct answer C. 5
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What is the single large opening of a sponge’s body cavity called?
Correct answer A. Osculum
Which gas is commonly used as the refrigerant in a domestic refrigerator?
Correct answer D. Tetrafluoroethane (R-134a)
In sponges, what carries sperm released into the water to the mesenchyme?
Correct answer C. Amoeboid cell
What is the Sun?
Correct answer B. Star
What material makes up the skeleton of sponges?
Correct answer C. Both of these
What is a device that converts chemical energy into electrical energy called?
Correct answer C. Battery
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Sponges in which sperm develop before eggs are placed in which category?
Correct answer A. Protandrous
Who discovered radioactivity?
Correct answer D. Becquerel
The density of water is about?
Correct answer A. 1 g/cm³
Which Antarctic sponge grows more than a metre tall?
Correct answer D. Scolymastra joubini
The lifespan of red blood cells is about:
Correct answer B. 120 days
What is the function of the coelom?
Correct answer B. To provide space for the development of organs and systems
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For a fixed mass of gas at constant temperature, what happens to the pressure if the volume is reduced?
Correct answer A. increase
In most triploblastic animals, how are the three germ layers represented after embryonic development?
Correct answer A. Structures formed from them
What does a lack of vitamin A lead to?
Correct answer C. Night blindness
Which phylum is NOT included in the series Protostomia?
Correct answer D. Echinodermata
Which kind of lens is used to correct long-sightedness?
Correct answer A. Convex