Question
The famous gene for gene was first established in 1946
inSolution
For each resistance gene in the host there is a corresponding gene for avirulence in the pathogen conferring resistance and vice-versa. This gene for gene hypothesis was given by HH Flor in 1946 on flax rust (Linseed rust) caused by Melampsora lini.
Which of the following are reasons for frequent floods in regions surrounding Assam?
1. Brahmaputra River unloads huge sediment in the region bro...
Which of the following is the largest west-flowing river in Peninsular India?
All Weather related phenomena take place in which layer of atmosphere?
Recently, linking of which of the following rivers was undertaken?Â
Which was India's first National Park?
Which state is the first in India to receive rainfall from the southwest monsoon?
In which Indian state is the Maikal range located?
Which of the following is not the Source of River Ganga?
Consider the following pairs of local wind and their associated features.
Arrange the following North-Eastern hills in order starting from North to South:
1. Lushai Hills
2. Manipur Hills
3. Patkai Bum
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