Questions

Self pollination occurs in the flowers when the pollen grains of the flower falls on the stigma of the same due to wind or insects like moths and bees. This lead to the inbreeding.

The each degree of latitude is equals to 111 kms approx (69 miles). As Earth is lightly ellipsoid in shape it changes at equator and poles from 110.5 kms to 111.7 kms respectively.

While eating a watermelon, we all go along the red and stops at green.

In Germany an important system of canals has been built in the low lying land between the Baltic Heights and the mountains in the southern part of the country. The Channels cut by these Ice-age rivers and later abandoned, have made it comparatively easy to join up the present river by canals which assist considerably in the movement of heavy goods in the north German Plain