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 […]
Which one of the following techniques made it possible to genetically engineer living organism ?
Options
(a) Recombinant DNA techniques (b) X-ray diffraction (c) Heavier isotope labelling (d) Hybridization
Correct Answer:
Recombinant DNA […]
Which one of the following help in absorption of phosphorus from soil by plants?
Options
(a) Glomus (b) Rhizobium (c) Frankia (d) Anabaena
Correct Answer:
Glomus
Explanation:
No explanation available. Be the first to […]
2017 Copyright Doctor Dreams Training Academy