Boojho had the following parts of a rose plant – a leaf, roots, a branch, a flower, a bud and pollen grains.

A flower can be defined as the reproductive unit of any flowering plant (angiosperms). Flowers carry out sexual reproduction in angiosperms. A typical flower is a modified stem with a...

On crossing red and white flower only red colour flower appeared in the F1 generation. But the white colour flower again appear in the F2 generation which is raised out...

In a 3-celled pollen, the generative cell has already divided and formed 2male gametes. Hence, it will not divide again in the pollen tube. Since ina 2-celled pollen, the generative...

In test tube ‘A’ – blue black colour because of presence of starch. In test tube ‘B’ – colour of iodine will not change because of digestion of starch into...

Sometimes, when one eats hurriedly, talks or laughs while eating, the flap like valve, epiglottis closing the passage of windpipe remains open. The food may enter the wind pipe and...

(c) Both have normal body temperature. 

‘A’ is an acidic solution. ‘B’ is a basic solution. ‘C’ is a neutral solution.

By planting stem-cutting of the rose plant.

Solution: (1) Handle bar or seat : The handle of bicycle will always move in rectilinear path because it cannot execute circular or rotatory motion.  (2) Pedal : The pedals of bicycle will always move circularly around its chain fixing system...

(b) Pitcher plant is an insectivorous plant. It feeds on living creatures including insects and small mammals. These plant attracts the prey with a smell of rotting meat. The victim...