Biology 11 chapter 4
Bioenergetics - 14
1.
Which one of the following statement is correct about photorespiration?
a) It reduces the rate of photosynthesis
b) it enhances the rate of photosynthesis
c) it does not affect the photosynthesis
d) it is an essential process for plants
2.
Photorespiration starts when?
a) There is more oxygen
b) there is more carbondioxide
c) there is little oxygen
d) there is more nitrogen
3.
The affinity of rubisco decreases for carbon dioxide when?
a) Temperature and concentraction of oxygen increases
b) temperature and concentration of oxygen decreases
c) only temperature decreases
d) only concentration of oxygen decreases
4.
In tropical climates, the agricultural yield is reduced also due to?
a) Photorespiration
b) photophosphorylation
c) photosynthesis
d) glycolysis
5.
C4 photosynthesis takes place in the?
a) Cytoplasm of mesophyll cells
b) mitochondria
c) chloroplast
d) nucleus
6.
C4 plants use which one of the following enzyme?
a) Pep-carboxylase
b) rubisco
c) cellulase
d) pepsin
7.
Which one of the following is Not a C3 plant?
a) Sugar cane
b) wheat
c) potato
d) tobacco
8.
Which one of the following is a C3 plant?
a) Sugar beet
b) sorghum
c) maize
d) sugar cane
9.
When phosphoenol pyruvate is combined with carbon dioxide in the presence of pep-carboxylase, ____ is formed?
a) Oxaloacetic acid
b) lactic acid
c) pyruvic acid
d) glucose
10.
In C4 plants, the first product of Co2 fixation is?
a) Oxaloacetic acid
b) pyruvic acid
c) lactic acid
d) glucose
11.
Which one of the following enzyme catalyzes the conversion of oxaloacetate to malate?
a) Malic dehydrogenase
b) malic hydrogenase
c) rubisco
d) cellulase
This is more feedback!
This is the feedback!
