The nucleolus is the site of formation of
Options
(a) spindle fibres (b) chromosomes (c) ribosomes (d) peroxisomes
Correct Answer:
ribosomes
Explanation:
No explanation available. Be the first to write the explanation for […]
Which of the following is not an azo dye
Options
(a) Methyl orange (b) Congo red (c) Martius yellow (d) Aniline yellow
Correct Answer:
Martius yellow
Explanation:
No explanation available. Be the first […]
Serotonin is usually used as
Options
(a) analgesic (b) tranquilizer (c) antiseptic (d) antioxidant
Correct Answer:
tranquilizer
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
An electron with values 4,1,-1 and +1/2 for the set of four quantum numbers n,l,m and s, respectively belongs to
Options
(a) 4 s-orbital (b) 4 p-orbital (c) 4 d-orbital (d) 4 f-orbital
Lederberg and lederberg demonstrated that mutations are preadaptive. They used the following tecnique for the purpose
Options
(a) replica plating (b) gene sequencing (c) transduction (d) transformation
Correct Answer:
replica plating
Explanation:
No […]
The first living organisms that appeared on the planet, according to the most accepted view, were
Options
(a) anaerobic (b) aerobic (c) photosynthetic (d) none of these
Correct Answer:
anaerobic
Explanation:
No explanation […]
Which of the following basic processes affect the Hardy Weinberg equilibrium?
Options
(a) mutation and recombination (b) gene migration and genetic drift (c) natural selection (d) all of the above
Correct Answer:
all […]
Chronic exposure to arsenic causes
Options
(a) blue-baby syndrome (b) foot and mouth disease (c) dropsy (d) itai-itai disease
Correct Answer:
dropsy
Explanation:
No explanation available. Be the first to write the explanation […]
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