A big tree falls in a forest but its roots are still in contact with the soil. The branches of this fallen tree straight up. This happens in response to __________

The tropic movement that helps the climbing vines to find a suitable support is ________. 

The chemical reaction occurs during photosynthesis is ________. 

The plant part which exhibits negative geotropism is __________.

The non-directional movement of a plant part in response to temperature is called ________.

Plants take in carbondioxide for photosynthesis but need ___________ for their living.

Plants utilize only _______% of the absorbed water for photosynthesis and the other activities.

Plants inhale and exhale continuously through the __________.

The response of a part of plant to the chemical stimulus is called phototropism.

Shoot is positively phototropic and negatively geotropic.

Scientific term used to represent the bending of roots towards water is called geotropism.

Joseph Priestley devised an experiment to find out that water alone was the cause of the increase in the weight of the plant.

When the weather is hot, water evaporates lesser which is due to opening of stomata.

Give an example for a plant whose leaf shows a mesmerizing movement.

What is the end product of photosynthesis?

Name the minute openings seen on the lower surface of the leaf.

Give an example for negative hydrotropism.

Design an experiment to demonstrate hydrotropism.