Everyday Science MCQs

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Golden brown colour of diatoms is due to presence of__________?
A. Mycoxanthin, mucoxanthin and myxoxanthophylls
B. Alpha and beta carotenes and myxoxanthin
C. Fucoxanthin, diatoxanthin, diadinoxanthin
D. None of the above
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Which of the following is not nocturnal?
A. Bedbug
B. Mosquito
C. Butterfly
D. Cockroach
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Which one of these is an insect?
A. Mite
B. Spider
C. Moth
D. Scorpion
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A moth is closely related to_________?
A. Wasp
B. Beetle
C. Cricket
D. Butterfly
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Diatoms stay afloat due to___________?
A. Flagella
B. Stored lpids
C. Pseudopodia
D. All of these
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Diatomaceous earth is used for making __________?
A. Fertilizers
B. Weedicides
C. Insecticides
D. Fire proof bricks
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Locomotion in diatoms is carried out with the help of__________?
A. Valve
B. Raphe
C. Pseudopodium
D. Cilia or flagella
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The chloroplasts of diatoms and chrysophycean algae do not possess____________?
A. Chloryphyllpigments
B. Enzymes for photolysis
C. Defined grana and stroma
D. Carotenes with chlorophylls
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Oil body is found in the cells of___________?
A. Diatoms
B. Slime moulds
C. Chlorophycean forms
D. None of the these
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Cell wall is extremely well preserved in fossil specimens in__________?
A. Diatoms
B. Dinoflagellates
C. Slime moulds
D. None of these
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Word of the Day
27 Jul
Widen
make or become wider.
چوڑا ہونا، کشادہ کرنے کا عمل

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