Question

1. Why should preventive measures
and biological control methods be
preferred for protecting crops? -
2. What factors may be responsible
for losses of grains during
storage?​

Answer 1

1) answer.

Preventive measures ensure that the crop plants are protected from the harmful biotic factors (such as diseases, weeds and insects) and abiotic factors (such as drought and salinity). ... Hence, preventive measures & biological control methods are preferred for protecting crops.

2) answer

During the storage of grains, various biotic factors such as insects, rodents, mites, fungi, bacteria, etc. and various abiotic factors such as inappropriate moisture, temperature, lack of sunlight, flood, etc. are responsible for losses of grains.

Answer 2

Answer:

physics. : the acceleration of a body in free fall under the influence of earth's gravity expressed as the rate of increase of velocity per unit of time and assigned the standard value of 980.665 centimeters per second per second. — called also g.