In which one of the following, male and female gametophytes do not have free living independent existence for?
Options
(a) Pteris (b) Funaria (c) Polytrichum (d) Cedrus
Correct Answer:
Cedrus
Explanation:
Male and female gametophytes of […]
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 […]
A single strand of nucleic acid tagged with a radioactive molecule is called :
Options
(a) Vector (b) Selectablemarker (c) Plasmid (d) Probe
Correct Answer:
Probe
Explanation:
No explanation available. Be the first […]
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 […]
Which of the following is not correctly matched for the organism and its cell wall degrading enzyme?
Options
(a) Plant cells-Cellulase (b) Algae-Methylase (c) Fungi-Chitinase (d) Bacteria-Lysozyme
Correct Answer:
Algae-Methylase
Explanation:
Algae is a […]
Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing micro-organism
Options
(a) Crotalaria juncea (b) Cycas revoluta (c) Cicer arietinum (d) Casuarina equisetifolia
Correct Answer:
Casuarina equisetifolia
Explanation:
It […]
The scutellum obsorved in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?
Options
(a) Cotyledon (b) Endosperm (c) Aleurone layer (d) Plumule
Correct Answer: […]
The most common substrate used in distilleries for the production of ethanol is
Options
(a) corn meal (b) soya meal (c) ground gram (d) molasses
Correct Answer:
molasses
Explanation:
No explanation available. Be […]
DNA fragments generated by the restriction endonucleases in a chemical reaction can be separated by :
Options
(a) Polymerase chain reaction (b) Electrophoresis (c) Restriction mapping (d) Centrifugation
Correct Answer:
Electrophoresis
Explanation:
DNA […]
Breeding of crops with high levels of minerals, vitamins and proteins is called
Options
(a) Somatic hybridisation (b) Biofortification (c) Biomagnification (d) Micropropagation
Correct Answer:
Biofortification
Explanation:
Breeding of crops with high levels of […]
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