An  absolute requirement  in the process of photosynthesis is

The energy rich molecule which is formed by photosynthesis is

Reduction of carbondioxide to carbohydrates occurs during

When asked to set up an experiment to show that 'light is necessary for photosynthesis', a student ran to the school garden and set up the experiment by using a plant growing in the school garden.The experiment failed.His classmates made the following suggestions to get success in the experiment:
Student A : Safranin should be used instead of iodine
Student B : The leaf should not be boiled in alcohol to remove chlorophyll before testing for starch
Student C : Transparent paper should be used instead of black paper strip
Student D : The leaf should be destarched before starting the experiment. 
 The correct suggestion is given by:

The lower side of plant leaf contains

The gas which is  given off by chloroplasts in the Sunlight  is

Transpiration has been described as a necessary evil because it is inevitable, but potentially harmful. Which of the following are the after-effects of transpiration ?
i) Absorption of mineral salts.
ii) Regulation of plant temperature.
iii) Wilting and injury in plants.
iv) Ascent of sap.

Given below are the events of photosynthesis. Identify which of the following is/are not correct ?
a) Absorption of light energy by chlorophyll.
b) Conversion of light energy to chemical energy and splitting of carbon dioxide into carbohydrates and oxygen.
c) Reduction of carbon dioxide to carbohydrates.
d) Conversion of chemical energy to radiant energy and splitting of water molecules into hydrogen and oxygen

The visible light is between  _________nm.

When  plants are kept in darkness, the ________ becomes inactive.