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The pineapple which under natural conditions is difficult to blossom has been made to produce fruits throughout the year by application of
Options
(a) IAA, IBA
(b) NAA, 2, 4-D
(c) Phenyl acetic acid
(d) Cytokinin
Correct Answer:
NAA, 2, 4-D
Explanation:
Plants which are difficult to flower can be made to do so by spraying them with 2,4,-D (2,4, – dichlorophenoxy acetic acid) and NAA (napthalene acetic acid) which are synthetic auxins, e.g., litchi, pineapple.
Related Questions: - Sex chromosome remains in
- The development of a sporophyte from gametophytic tissue is called
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- The chitinous exoskeleton of arthropods is formed by the polymerisation of:
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Topics: Photosynthesis and Plant Growth
(26)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Sex chromosome remains in
- The development of a sporophyte from gametophytic tissue is called
- An excised leaf does not turn yellow if it is induced to root This is attributed
- The chitinous exoskeleton of arthropods is formed by the polymerisation of:
- The slime moulds are characterised by the presence of
Topics: Photosynthesis and Plant Growth (26)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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