Which of the following requires free oxygen?
a) photosynthesis
b) aerobic respiration
c) anaerobic respiration
d) reduction
Explanation: aerobic respiration is also known as cellular respiration
Respiration process is opposite to……….
a) combustion
b) burning
c) photosynthesis
d) all of these
Complete breakdown
of glucose molecule in aerobic respiration takes place in ……steps.
a) two
b) three
c) four
d) six
Explanation: 1. Glycolysis, 2. Kreb’s cycle and 3. Electron transport chain
Which of the following stage/s occur/s in cytosol (cytoplasm)?
a) glycolysis
b) Kreb’s cycle
c) electron transport chain
d) both b and c
Which of the
following stage/s occur/s in mitochondria?
a) glycolysis
b) Kreb’s cycle
c) electron transport chain
d) both b and c
Organic food molecules are used by the living organisms as……..
a) building materials
b) source of energy
c) both a and b
d) none of them
