Plant Growth an...

Presence of ethylene gas causes fruits to ripen. As fruit ripens, it produces increasing amounts of ethylene.

This is an example of

What could an experiment do to test the hypothesis that the response to light involves differential cell elongation?

Apical dominance in plants is caused by

Artificial ripening of fruits is accomplished by treatment with 

A student had heard in his biology class that placing a ripe apple into a closed container with an unripe fruit would cause the unripe fruit to ripen. The student set up an experiment in which an unripe banana was placed into a paper bag. A second unripe banana was placed into a separate bag with a ripened apple and sealed shut. Both bags were allowed to sit undisturbed at room temperature for 48 hours. The student noted that after 48 hours, the first banana was still green and unripe. The second banana was yellow and soft to the touch.
 Which statement best represents a conclusion the student might reach?

The key feature of vernalization is

During the development, zygote shows

The xylem which differentiates has a thick secondary wall made of

Reduction in transpiration is a function of which of the following differentiated cell?

The phenomena of vernalization is discovered by the