91.
Commercial hybrid seed production in cotton in our country has been possible due to which one of the following reasons

92.
Consider the following crops
1. Bajra
2. Cotton
3. Maize
4. Rice
Which one of the following is the correct sequence of the above crops according to the period of the development of first hybrid varieties in India?

93.
The actual pressure with which water enters into the cell is called?

94.
Who gave the concept of circular chromosome in E. coli

95.
Random assortment of genes will occur if the genes are located on

96.
Replacement of purine with another purine base is known as

97.
Tag colour of Foundation seed is

98.
A mutant gene in Hordeum vulgare produces albino seedlings at temperature below 8°C. But when the seedling carrying this gene are grown at 19°C or above, they develop into normal green seedlings. The characters whose development depends upon a specific environment are known as

99.
Pusa Sugandha-5 is new variety of

100.
Asexual reproduction includes