All food substances essential for life are obtained through ...... .

  • A
    Photosynthesis
  • B
    Respiration
  • C
    Transpiration
  • D
    All of the above

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Similar Questions

Match the following.
Column-$I$Column-$II$
$(p)$ Grana region of chloroplast$(i)$ Krebs cycle
$(q)$ Stroma region of chloroplast$(ii)$ Light reaction
$(r)$ Cytoplasm$(iii)$ Dark reaction
$(s)$ Matrix of mitochondria$(iv)$ Glycolysis

Name the two important enzymes of $C_3$ and $C_4$ pathways, respectively. What important role do they play in fixing $CO_2$?

Maximum photosynthesis occurs by ..........

Aerobic atmosphere is maintained by

The first stable product of the Calvin cycle and the Hatch-Slack cycle are ......... respectively.

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