Minerals absorbed by roots move to the leaf through xylem. Xylem plays an important role in conduction of water. Hence, when water moves upward through xylem, minerals are also absorbed by the roots and move towards leaves through xylem only. This is known as ascent of sap.
Which of the following is the edible part of Litchi ?
Intercultivation operations are meant for
The CO₂ receptor in C₃ plants is
Which of the following process release energy in plant?
Rocks containing free silica in abundance and is not combined with bases are called
Water movement in a saturated soil is governed by
Brassica juncea is the botanical name of
Which of the following countries is the centre of origin of rice?
…………………silkworm spp. Is commonly reared in Ricinus communis
…………is a pretreatment of seeds that aims to break seed dormancy through puncturing, burning, breaking, filing, and scratching with knives, nee...