If any place is left for some days, grasses grow there automatically. doneclear
B)
While cutting the grasses, tiny parts of leaves, stem and roots of grasses is left over with soil. These parts contain buds. These buds grow into new plant on getting suitable condition. doneclear
C)
Grasses are plants. Plants require sunlight to prepare food. Therefore, if sunlight reaches at a place directly, grasses would grow there. doneclear
Pulling down a branch of a plant and covering it with the soil is called layering method of vegetative propagation. Therefore, it is not a sexual reproduction. doneclear
B)
The above picture shows the development of new plant from a branch. No involvement of male and female gametes has been shown in all. doneclear
C)
In the above picture new plant is developing from the body of parent plant. In the sexual reproduction new plant never grows from the body of parent plant; instead the new plant grows independently from the seed which formed after the fusion of male gamete with the female gamete. Therefore, it is asexual mode of reproduction doneclear
D)
The above picture clearly shows that this is a asexual mode of reproduction doneclear