Which of the following causes plague?
Options
(a) Yersinia pestis (b) Trichinella spiralis (c) Leishmania donovani (d) Salmonella typhimurium
Correct Answer:
Yersinia pestis
Explanation:
No explanation available. Be the first to write the […]
Photophosphorylation was discovered by
Options
(a) Arnon (b) Hill (c) Ruben and Kamen (d) Calvin
Correct Answer:
Arnon
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
To get haploid callus, one can culture
Options
(a) pollen grain (b) embryos (c) leaf tissue (d) stigma
Correct Answer:
pollen grain
Explanation:
No explanation available. Be the first to write the explanation […]
Muscles which are immune to fatigue are
Options
(a) unstriped muscle (b) cardiac muscle (c) jaw muscle (d) skeletal muscle
Correct Answer:
cardiac muscle
Explanation:
Cardiac muscle tissues occur only in heart. This […]
Sewage pollution is not responsible for
Options
(a) increase in oxygen concentration (b) decrease in oxygen concentration (c) reduction in variety of species (d) none of the above
Correct Answer:
increase in oxygen […]
Respiratory quotient is less than one for
Options
(a) banana (b) potato (c) citrus fruits (d) castor seeds
Correct Answer:
castor seeds
Explanation:
No explanation available. Be the first to write the explanation […]
Acquiring an oxygen debt is evidence that
Options
(a) O₂ cannot be stored in tissues (b) aerobic respiration is more complex than glycolysis (c) lactic acid can be converted into glycogen (d) anaerobic […]
Number of chromosome in Down’s syndrome is
Options
(a) 46 (b) 47 (c) 48 (d) 49
Correct Answer:
47
Explanation:
No explanation available. Be the first to write the explanation for this question […]
First organism to evolve on the earth were
Options
(a) saprotrophs (b) photoautotrophs (c) chemoautotrophs (d) chemoheterotrophs
Correct Answer:
chemoheterotrophs
Explanation:
No explanation available. Be the first to write the explanation for this […]
Drones in a colony of honey bee originate by
Options
(a) thelotoky (b) cyclic parthenogenesis (c) arrhenotoky (d) diploid parthenogenesis
Correct Answer:
arrhenotoky
Explanation:
No explanation available. Be the first to write the […]
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