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Mayank1444
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Joined: Oct 11, 2021
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Answer to: Which one of the following proved effective for biological control of nematode disease in plants?

Correct answer: (1) Gliocladium virens

4 years ago
Forum
Biology
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Answer to: What is antisense technology? (1) RNA polymerase producing DNA

Correct answer: (1) RNA polymerase producing DNA

4 years ago
Forum
Biology
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Answer to: Which of the following is not used as a biopesticide? (1) Xanthomonas campestris (2) Trichoderma harzianum

Correct answer: (1) Xanthomonas campestris

4 years ago
Forum
Biology
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Answer to: Which one of the following is being utilized as a source of biodiesel in the Indian countryside?

Correct answer: (1) Pongamia

4 years ago
Forum
Biology
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Answer to: Which one of the following pairs of organisms are exotic species introduced in India?

Correct answer: (2) Lantana camara, water hyacinth

4 years ago
Forum
Biology
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Answer to: In maize, hybrid vigour is exploited by (1) inducing mutations (2) crossing of two inbred parental lines

Correct answer: (2) crossing of two inbred parental lines

4 years ago
Forum
Biology
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Answer to: Which one of the following pairs is mismatched? (1) Bombyx mori - silk (2) Apis indica - honey (3) Pila globosa - pearl (4) Kenia lacca - lac

Correct answer: (3) Pila globosa - pearl

4 years ago
Forum
Biology
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Answer to: Compared to a bulla bullock is docile because of

Correct answer: (4) lower levels of blood testosterone

4 years ago
Forum
Biology
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Answer to: Triticale, the first man-made cereal crop, has been obtained by crossing wheat with

Correct answer: (3) rye

4 years ago
Forum
Biology
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Answer to: Curing of tea leaves is brought about by the activity of (1) fungi (2) mycorrhiza (3) bacteria (4) viruses

Correct answer: (3) bacteria

4 years ago
Forum
Biology
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Answer to: Which one of the following is the most suitable medium for culture of Drosophila melanogaster?

Correct answer: (4) Ripe banana

4 years ago
Forum
Biology
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Answer to: In maize, hybrid vigour is exploited by

Correct answer: (2) crossing of two inbred parental lines

4 years ago
Forum
Biology
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Answer to: Parthenocarpic tomato fruits can be produced by

Correct answer: (2) treating the plants with low concentrations of gibberellic acid and auxins

4 years ago
Forum
Biology
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Answer to: Three crops that contribute maximum to global food grain production are

Correct answer: (2) Wheat, rice and maize

4 years ago
Forum
Biology
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Answer to: The world’s highly prized wool yielding 'Pashmina' breed is

Correct answer: (2) goat

4 years ago
Forum
Biology
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Answer to: In order to obtain virus-free plants through tissue culture the best method is

Correct answer: (1) Meristem culture

4 years ago
Forum
Biology
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Answer to: Crop plants grown in monoculture are (1) highly prone to pests (2) free from intraspecific competition

Correct answer: (1) highly prone to pests

4 years ago
Forum
Biology
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Answer to: Farmers in a particular region were concerned that premature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?

Correct answer: (1) Application of iron and magnesium to promote synthesis of chlorophyll

4 years ago
Forum
Biology
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Answer to: Which of the following plants are used as green manure in crop fields and in sandy soils?

Correct answer: (4) Crotalaria juncea and Alhagi camelorum

4 years ago
Forum
Biology
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Answer to: Cellular totipotency is demonstrated by

Correct answer: (1) all plant cells

4 years ago
Forum
Biology
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