Which one of the following energy conversions takes place in carrying out the process of photosynthesis?

Which one of the following gases is essential for photosynthesis process?

Which of the following is the primary pigment involved in photosynthesis?

In which one among the following the vegetative propagation takes place through Eye Buds?

Which one of the following is a plant hormone?

In angiosperms, pollen grain germinates to produce two male gametes. Which one of the following functions is carried out by these gametes?