#Question id: 7295
#XL - R Botany
If a long-day plant has a critical night length of 9 hours, which 24-hour cycle would prevent flowering? (SS)
#Question id: 7301
#XL - R Botany
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
#XL - R Botany
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
#XL - R Botany
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
#XL - R Botany
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
#XL - R Botany
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