A trangenic food crop which may help in solving the problem of night blindness in developing countries is
Options
(a) Flavr Savr tomatoes (b) Starlink maize (c) Bt Soybean (d) Golden rice
Correct […]
Which one of the following proved effective for biological control of nematodal disease in plants?
Options
(a) Pisolithus tinctorius (b) Pseudomonas cepacia (c) Gliocladium virens (d) Paecilomyces lilacinus
Correct Answer:
Gliocladium virens
Explanation:
No […]
The length of different internodes in a culm of sugarcane is variable because of
Options
(a) shoot apical meristem (b) position of axillary buds (c) size of leaf lamina at the node below […]
The energy-releasing process in which the substrate is oxidised without an external electron acceptor is called
Options
(a) fermentation (b) photorespiration (c) aerobic respiration (d) glycolysis
Correct Answer:
glycolysis
Explanation:
Glycolysis takes place […]
Senescence as an active developmental cellular process in the growth and functioning of a flowering plant, is indicated in
Options
(a) vessels and tracheid differentiation (b) leaf abscission (c) annual plants (d) floral parts
Electrons from excited chlorophyll molecule of photosystem II are accepted first by:
Options
(a) Cytochrome-b (b) Cytochrome-f (c) Quinone (d) Ferredoxin
Correct Answer:
Quinone
Explanation:
Electrons from excited chlorphyll molecule of photosystem II are […]
The linking of antibiotic resistance gene with the plasmid vector became possible with
Options
(a) DNA ligase (b) Endonucleases (c) DNA polymerase (d) Exonucleases
Correct Answer:
DNA ligase
Explanation:
No explanation available. Be […]
In humans, at the end of the first meiotic division, the male germ cells differentiate into the
Options
(a) primary spermatocytes (b) secondary spermatocytes (c) spermatids (d) spermatozonia
Correct Answer:
secondary spermatocytes
Explanation:
In […]
The fruit is chambered, developed from inferior ovary and has seeds with succulent testa in
Options
(a) pomegranate (b) orange (c) guava (d) cucumber
Correct Answer:
pomegranate
Explanation:
The fruit of pomegranate is […]
In humans, blood passes from the post caval to the diastolic right atrium of heart due to
Options
(a) pushing open of the venous valves suction pull (b) stimulation of the sino auricular node […]
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