List of top Plant Biotechnology Questions on Ecology

The steps involved in the process of somatic hybridization are:
A. Regeneration of hybrid plants
B. Fusion of the protoplasts of desired species/varieties
C. Isolation of protoplasts
D. Identification and selection of somatic hybrid cells
Choose the correct answer from the options given below:

Doubling of the chromosome number may be achieved by:
A. Use of spindle inhibitors
B. Marker-assisted breeding
C. Fusion of unreduced gametes
D. Protoplast fusion
Choose the correct answer from the options given below:

After colchicine treatment of a plant regenerated through androgenesis, the derived plant is considered as:

The process of developing gynogenic plant from egg cell is called:

Match List - I with List - II.

Choose the correct answer from the options given below:

Arrange the following steps in the process of nitrogen cycle in correct sequence:
A. Nitrogen fixation
B. Nitrification
C. Denitrification
D. Assimilation
E. Ammonification
Choose the correct answer from the options given below :

In nitrogen cycle, Ammonification is the process of generating ammonia from-

Conversion of ammonia to nitrates is called -

Nitrogen fixing cyanobacteria Anabaena is found in the root pockets of -

Using natural predators for the control of pathogens is known as __________ control.

Fishermen, in certain parts of the world follow a practice of beating the roots of tree along riverbanks in a manner that transfers the extract of the roots into water. This practice paralyzes fishes and makes them easy prey. The most acceptable reason for this observation is: