Let length of train A = x Length of platform = 2x Speed = distance/time ⇒ 45 x 5/18 = (x + 2x)/12 ⇒ x = 50 m = length of train A Length of platform = 50 x 2 = 100m For train B, Speed = distance/time ⇒ (100 + 260)/18 x (18/5) ⇒ 72 km/hr
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:
