Question
Under agroforestry system, ____________ tree shows
allelopathic effect on cultivated crops.Solution
Allopathy is defined as the effects (stimulatory and inhibitory) of a plant on the growth development of neighbouring or succeeding plants / crop through the release of secondary compounds. It is observed in Eucalyptus
How does an earphone convert electrical signals into sound?
Twinkling of the Stars is due to the phenomenon ofÂ
What is the minimum distance required for an obstacle to produce a distinct echo?
Why does a solid chunk of iron float in mercury but sink in water?
Which of the following is the time taken for one complete oscillation of a sound wave in the density of the medium?
The S.I. unit of the electric flux is
Which of the following instruments is correctly matched with its function?
I) Voltmeter - Measures potential differenceÂ
II) Ammeter - Me...
A ray of light from the object parallel to principal axis of a concave lens, after refraction appears to diverge from which point on the same side of th...
What is the colour of neutral wire?
1) Red
2) Green
3) Black
4) Yellow
Which material has the lowest refractive index?