Let their present age be 9x and 4x respectively. Product of their ages = 36x² = 3600 => x² = 100 => x = 10 Present age of A = 9x = 90 years Present age of B = 4x = 40 years Ratio of their ages after 5 years = (90+5) : (40+5) = 95:45 = 19:9
Micro water shed has an area of
For inducing the germination stratification is practised in seeds of
When plant cells are placed in hypertonic solution, they become____
In the preparation of audio-visual aids, the principle of ‘A’, ‘B’, ‘C’ signifies:
Which type of meristem is responsible for the increase in girth or thickness of plants?
Which among the following seeds germinate by hypogeal germination?
Given below are two statements:
Statement I: Saline soil contain sufficient soluble salts which adversely affect the growth of most crop plants. ...
Seed rate of lentil crop is ____
Given below are two statements, one is labelled as Assertion A and other is labelled as Reason R
Assertion A: After application of urea in soil, ...
GC → TA transversion is caused by:
