Transpiration is best defined as _________ 

(a)

loss of water by the plant

(b)

evaporation of water from the aerial surfaces from the plant

(c)

loss of water in the form of water vapour from the underground parts of the plant body

(d)

release of water from the plant into the atmosphere

A growing seedling is kept in the dark room. A burning candle is placed near it for a few days. The tip part of the seedling bends towards the burning candle. This is an example of ____________.

(a)

chemotropism

(b)

thigmotropism

(c)

phototropism

(d)

geotropism

The plant part which exhibits negative geotropism is __________.

(a)

root

(b)

stem

(c)

branch

(d)

leaves

Dandelion flowers open the petals in bright light during the day time but close the petals in dark at night. This response of Dandelion flowers is called ___________.

(a)

geonasty

(b)

thigmonasty

(c)

chemonasty

(d)

photonasty

Chlorophyll in a leaf is required for __________.

(a)

photosynthesis

(b)

transpiration

(c)

tropic movement

(d)

nastic movement

Transpiration takes place through _____________.

(a)

fruit

(b)

seed

(c)

flower

(d)

stomata