Everyday Science MCQs

5120 MCQs  (Page 394 of 512)

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Tjio and Levan’s contribution is very significant because they __________ ?
A. Identified barr bodies
B. Detected sex linkage
C. Pointed out mutational changes
D. Gave the number of human chromosomes
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What content does only a plant cell has___________?
A. Cell membrane
B. Cell wall
C. Cytoplasm
D. Chromatin
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how many kingdoms of life exist?
A. 1
B. 5
C. 6
D. None of these
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Amylase becomes denatured at an alkaline pH of:__________?
A. 6
B. 7
C. 8
D. 9
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Blood vessels which carry deoxygenated blood are called__________?
A. Arteries
B. Veins
C. Capillaries
D. None of these
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Prokaryotes don’t have:________?
A. Cell membrane
B. Nucleus
C. Cytoplasm
D. None of these
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Which of the following cell organelles is absent in animal cells and present in a plant cell?
A. Cell wall
B. Cytoplasm
C. Vacuoles
D. Mitochondria
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Which of the following cell organelles does not contain DNA?
A. Nucleus
B. Lysosomes
C. Chloroplast
D. None of these
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The small intestine has three parts. The first part is called________?
A. Duodenum
B. Oesophagus
C. Larynx
D. None of these
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One of the reasons why some people cough while eating a meal may be due to the improper movement of _______ :
A. Larynx
B. Diaphram
C. Epiglottis
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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