Home
Class 11
BIOLOGY
If a plant produces flowers when exposed...

If a plant produces flowers when exposed only to alternating periods of 5 hors light and 3 hours dark in a 24-hour cycle, then the plant should be

A

Short day plant

B

Long day plant

C

Short-long day plant

D

Day neutral plant

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PLANT GROWTH AND DEVELOPMENT

    SANTRA PUBLICATION|Exercise FILL IN THE BLANKS|10 Videos
  • PLANT GROWTH AND DEVELOPMENT

    SANTRA PUBLICATION|Exercise VERY SHORT ANSWER TYPE QUESTIONS|28 Videos
  • PHOTOSYNTHESIS

    SANTRA PUBLICATION|Exercise NCERT QUESTIONS|9 Videos
  • PLANT RESPIRATION

    SANTRA PUBLICATION|Exercise NCERT QUESTIONS|12 Videos

Similar Questions

Explore conceptually related problems

If a plant produces flowers when exposed to alternating periods of 5 hours light and 3 hours dark in a 24-hour cycle, the plant should be a

A long day plant flowers only when it is exposed to

When the dark period of short day plants is intrrupted by a brief exposure of light, then the plant

A pea plant with purple flowers was crossed with white flowers producing all 50 plants with only purple flowers. On selfing, these plants produced 482 plants with purple flowers and 162 with white flowers. What genetic mechanism accounts for these results? Explain.

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

If a short day plant is given ten hours light and fourteen hour darkness but the dark period is interrupted in the middle by a flash of 730 nm wavelength of light, then

Plants requiring exposure to light for less than critical period in order to flower are called

A manufacturer produces nuts and bolts. It takes 1 hour of worl in machine A and 3 hours on machine B to produce a package of nuts. It take 3 hours on machien A and 1 hour on machine B to produce a package of bolts. He earns a profit of Rs. 17.50 per package on nuts and Rs. 7.00 per package on bolts. How many packages of each should be produced each day so as to maximise bis profit, if he operates his machines for at the most 12 hours a day?

Plants which daily require shorter period of darkness for flowering are called

An aquatic plant was placed in a test tube containing water. The tube was then stopered and left outdoors for 24 hours. The pH value of water was measured at regular intervals. What must have been the result?