Home
Class 12
BIOLOGY
One set of a plant was grown at 12 hours...

One set of a plant was grown at 12 hours day and 12 hours night period cycle and it flowered while in the other set night period cycles and it flowered while in the other set night phase was interrupted by flash of ligth and did not produce flower. Under which one of the following categories will you place this plant

A

Darkness neutral

B

Day neutral

C

Short day

D

Long day

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PLANT GROWTH AND DEVELOPMENT

    PHYSICS WALLAH|Exercise LEVEL-2|29 Videos
  • PLANT GROWTH AND DEVELOPMENT

    PHYSICS WALLAH|Exercise NEET PAST 10 YEARS QUESTIONS|17 Videos
  • PHOTOSYNTHESIS IN HIGHER PLANTS

    PHYSICS WALLAH|Exercise NEET PAST 10 YEARS QUESTIONS |23 Videos
  • PLANT KINGDOM

    PHYSICS WALLAH|Exercise NEET PAST 10 YEARS QUESTIONS|36 Videos

Similar Questions

Explore conceptually related problems

In an experiment, one set of plants were exposed to the day-night period but with a dark period interrupted by the flash of light did not produce the flower. Such a plant is referred to as

One set of plants exposed to 12 hr day and 12 hr night llowered. The other set with similar exposure to daynight period but with dark period interrupted by Hash of light did not come to flower. The plant is

Sedum is a long day plant. Its critical duration of light is 13 hours. Under which of the following conditions would it flower?

Maryland mammoth tabacco is a short day plant. Its critical duration of darkness is 10 hours. Under which of the following conditons will it not flower?

There are two plants A and B with respective critical photoperiod of 13 hours and 11 hours.When they are exposed to light for a period of 12 hour, it initiated flowering in both. Which of the following conclusions is most appropriate for these plants ?

If diploid chromosome number in a flowering plant is 12, then which one of the following will have only 6 chromosomes

There is a road beside a river. Two friends started from a place A, moved to a temple situated at another place B and then returned to A again. One of them moves on a cycle at a speed of 12 km/hr, while the other sails on a boat at a speed of 10 km/hr. if the river flows at the speed of 4 km/hr, which of the two friends will return to place A first?

PHYSICS WALLAH-PLANT GROWTH AND DEVELOPMENT-NEET PAST 10 YEARS QUESTIONS
  1. One set of a plant was grown at 12 hours day and 12 hours night period...

    Text Solution

    |

  2. Which of the following in not an inhibitory substance governing seed d...

    Text Solution

    |

  3. Maximum rate of growth is achieved during

    Text Solution

    |

  4. Name the plant growth regulator which upan spraying on sugarcane crop,...

    Text Solution

    |

  5. Match the following concerning the activity/function and the phytohorm...

    Text Solution

    |

  6. Who coined the term 'Kinetin'?

    Text Solution

    |

  7. Inhibitory substances in dormant seeds cannot be removed by subjecting...

    Text Solution

    |

  8. What is the site of perception of photoperiod necessary for induction ...

    Text Solution

    |

  9. It takes very long time for pineapple plants to produce flowers. Which...

    Text Solution

    |

  10. Fruit and leaf drop at early stages can be prevented by the applicatio...

    Text Solution

    |

  11. Match Column - I with column - II and select the correct option using ...

    Text Solution

    |

  12. Growth hormone Auxin was isolated by F.W. Went from tips of seeding co...

    Text Solution

    |

  13. You are given a tissue with its potential for differentiation in an ar...

    Text Solution

    |

  14. The Avena curvature is used for bioassay of

    Text Solution

    |

  15. What causes a green plant exposed to the light on only one side, to be...

    Text Solution

    |

  16. The rate of growth of any organism follows Or Typical growth curve...

    Text Solution

    |

  17. Auxin can be bioassayed by

    Text Solution

    |

  18. Vernalisation simulates flowering in

    Text Solution

    |