41.
CAM- plants are mainly
A
Succelent xerophyte
B
Hydrophytes
C
Eipihytes
D
None of the above
Answer :
Succelent xerophyte
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
42.
Photosynthetic bacteria do not contain
A
PS-I
B
PS-II
C
PS-I or PS-II
D
Quantasome
Answer :
PS-II
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
43.
In plant during the process of photosynthesis
A
CO2 is taken
B
O2 is taken in
C
CO2 is taken out
D
O2 is taken in and CO2 is given out
Answer :
CO2 is taken
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
44.
Normally phycobilins occurs in
A
Red algae
B
Blue green algae
C
Rhodophyceae
D
All of the above
Answer :
All of the above
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
45.
The carbon dioxide acceptor in Calvin cycle/ $${C_3}$$-plants is
A
Phospho-enol pyruvate (PEP)
B
Ribulose 1, 5-diphosphate (RuBP)
C
Phosphoglyceric acid (PGA)
D
Ribulose monophosphate (RMP)
Answer :
Ribulose 1, 5-diphosphate (RuBP)
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
46.
A very efficient converter of solar energy with net productivity of $$2 - 4\,kg/{m^2}$$ or more is the crop of
A
wheat
B
sugarcane
C
rice
D
bajra
Answer :
sugarcane
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
47.
Stomata of CAM plants
A
never open
B
are always open
C
open during the day and close at night
D
open during the night and close during the day
Answer :
open during the night and close during the day
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
48.
The chemical formula of bacteriochlorophyll is
A
C55H70O4N4Mg
B
C55H72O5N4Mg
C
C55H70O5N4Mg
D
C55H74O6N4Mg
Answer :
C55H74O6N4Mg
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
49.
Formation of ATP in photosynthesis and respiration is an oxidation process which utilises the energy from
A
Cytochromes
B
Ferredoxin
C
Electrons
D
Carbon dioxide
Answer :
Electrons
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
50.
In leaves of $${C_4}$$ plants malic acid synthesis during $$C{O_2}$$ fixation occurs in
A
epidermal cells
B
mesophyll cells
C
bundle sheath
D
guard cells
Answer :
mesophyll cells
Discuss Question
No explanation is given for this question. Let's discuss the answer together.