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Earn 100

Gibberellic acid has been successfully used to induce flowering
(a)In short day plants under long day conditions
(b)In long day plants under short day conditions
(c)In some short day and long day plants
(d)In neither short day nor long day plants

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Important Questions on Plant Growth and Development
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Match the following
Column - I | Column - II | ||
i. | Cyclosporin-A | a. | Clot busters |
ii. | Streptokinase | b. | Antibiotic |
iii. | Statins | c. | Immunosuppressive agent |
iv. | Penicillin | d. | Blood cholesterol lowering agent |

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Give the biological names of the following:
The mould from which penicillin is obtained.

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Column–I | Column–II | ||
a. | Citric acid | (i) | Trichoderma |
b. | Cyclosporin A | (ii) | Clostridium |
c. | Statins | (iii) | Aspergillus |
d. | Butyric acid | (iv) | Monascus |

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Match List with List.
List | List | ||
(a) | Aspergillus niger | (i) | Acetic acid |
(b) | Acetobacter aceti | (ii) | Lactic acid |
(c) | Clostridium butylicum | (iii) | Citric acid |
(d) | Lactobacillus | (iv) | Butyric acid |

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Match the following?
Organism | Product | ||
(a) | Aspergillus Niger | (i) | Ethanol |
(b) | Acetobacter | (ii) | Butyric acid |
(c) | Saccharomyces | (iii) | Acetic acid |
(d) | Lactobacillus | (iv) | Citric acid |
(v) Lactic acid |

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Assertion The foolish seedling disease in rice seedlings is caused by a fungal pathogen, Gibberella fuzikuroi.
Reason E. Kurosawa reported the appearance of symptoms of the disease in uninfected rice seedlings when they were treated with sterile filtrates of the fungus and the active principle was identified as gibberellic acid.
The correct answer is:

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