#Question id: 7301
#Unit 5. Developmental Biology
An Rajasthani hunter was worried about being attacked by grizzly tigers, so he left the lights in his cabin on all the time. Plants near the cabin flowered a month early. Which of the following best explains this?
#Question id: 7302
#Unit 5. Developmental Biology
Match the following level of microRNAs in Arabidopsis (Column II and III) with their Phases (Column I)
|
Phases (Column I) |
microRNAs (Column II) |
Level of
microRNAs (Column III) |
|
A. Juvenile
vegetative phase |
i. miR156 |
a. Low |
|
B. Adult
vegetative phase |
ii. miR172 |
b. High |
|
C. Reproductive
phase |
|
|
Which of the following combination is correct?
#Question id: 7303
#Unit 5. Developmental Biology
The ‘quartet model’ explains how the protein products of the ABCE-function genes might interact to control floral organ identity. Following statements are based on this model. Which one of them is incorrect?
#Question id: 7304
#Unit 5. Developmental Biology
Which one of the following will be observed when auxin to cytokinin ratio is increased in the culture medium during organogenesis from tobacco pith callus?
#Question id: 7305
#Unit 5. Developmental Biology
In plants, a growing mass of unorganized and undifferentiated cells that cover a wound; these cells can be induced to form a plant meristem and develop into shoots and/or roots called as
#Question id: 7306
#Unit 5. Developmental Biology
A plant scientist was hired by a greenhouse operator to devise a way to force iris plants to bloom in the short days of winter. Iris normally blooms as a long-day (short-night) plant. Which of the following has the best chance of creating iris blooms in winter?