#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
#Question id: 7314
#XL - R Botany
With reference to
plant flowering pattern; match the terms of Column I with the most appropriate
term of Column II. (Se-Sepal; Ca-Carpel; St-stamen; Pe-Petal)
s.no. |
Homeotic
mutants (Column 1) |
S. No |
Flower
patterning (Column 2) |
A. |
Apetala2
mutant |
I. |
Ca-Ca-Ca-Ca |
B. |
Agamous
/Apetala3 mutant |
II. |
Se-Pe-Pe-Se |
C. |
Agamous
mutant |
III. |
Se-Se-Se-Se |
D. |
Apetala2/Apetala3
mutant |
IV. |
Ca-St-St-Ca |