1. Who among the following stated for the
first time that
electron
donor in photosynthesis is water?
(a)
Van Neil (b)
Blakslee
(c)
Melvin Calvin (d) Van Helmont
(e)
J.D. Robertson
2. C4 pathway
for CO2 fixation was first studied
(a)
Emerson & Arnold
(b) Krotkov et al
(c)
Hatch & Slack (d)
Blackman
(e)
Melvin Calvin
3.
Chlorophyll - a differs from chlorophyll-b in having a
(a)
-CHO group (b) -COOH group
(c)
-CH3 group (d) -NH2 group
(e)
-CO group
4. Dark CO2
fixation is present in the following plant:
(a)
Bryophyllum (b) Sugarcane
(c)
Maize (d)
Pea
(e)
Rice
5. Starch and
Cellulose are compounds consisting of
many
units of
(a)
Amino acids (b) Fatty
acids
(c)
Simple sugars (d) Glycerol
(e)
Glycollic acid
6. Calvin
cycle occurs in
(a)
Cytoplasm (b)
Peroxisome
(c)
Chloroplast (d)
Mitochondria
(e)
Golgi body
7. In
photosynthesis in chloroplast, dark reactions occur
in
(a)
Grana lamellae (b) Stroma
(c)
Thylakoids (d) Stroma
lamellae
(e)
Matrix
8. The number
of oxygen molecules released per light
quanta
during light reaction is
(a)
Quantum yield
(b) Quantum requirement
(c)
Quantasome
(d) Photosynthetic yield
(e)
RQ
9. The colour
of rose petal is due to water soluble
pigment
present in the
(a)
Cytoplasm (b)
Intercellular space
(c)
Nucleus (d)
Vacuoles
(e)
Golgi body
10. NADP is
(a)
An enzyme (b) A part
of s-RNA
(c)
A co-enzyme (d) A part of t-RNA
(e)
None
11. For the
synthesis of organic matter the green plants
need
only
(a)
Chlorophyll (b) CO2 and
H2O
(c)
Light (d) All of these
(e)
None of these
12. In CAM plants the initial carbondioxide acceptor is
(a)
Phosphoglyceric acid
(b)
Phosphoenol pyruvic acid
(c)
Ribulose 1,5 biphosphate
(d)
Oxaloacetic acid
(e)
Malic acid
13. The inhibitory effect of oxygen on the
rate of
photosynthesis is called as
(a)
Warburg effect (b) Pasteur effect
(c)
Richmond-Lang effect (d)
Blackman effect
(e)
Emerson effect
14. Which
among the following sentence is wrong
about
C4 plants
(a)
Leaves posses Kranz anatomy
(b)
RUBISCO is present in mesophyll cells
(c)
PEPCO is present in mesophyll
(d)
CO2 acceptor PEP
(e)
None
15.
Photosynthetically active radiation is represented
by the
range of wavelenth of
(a)
640 - 650 nm (b) 600-960 nm
(c)
400-700 nm (d) 340-450
(e)
500-600 nm
16. Number of
ATP and NADPH2 required for the
formation of one molecule of carbohydrate in C3
plant
is:
(a)
3 and 2 (b) 30
and 18
(c)
18 and 12 (d) 12
and 18
(e)
18 and 30
17. During
photorespiration reaction between oxygen
and
substrate is happening within
(a)
Mitochondria (b) Chloroplast
(c)
Peroxisome (d) Nuclues
(e)
Lysosome
18. In CAM plants, reduction of CO2 to carbohydrate
takes
place within
(a)
Mesophyll cell (b) Bundle
sheath cells
(c)
Epidermal cells (d) Xylem
cell
(e)
Phloem cells
19. Whioch
among the following group of plants
contains agranal chloroplast?
(a)
C3 plants (b) CAM plants
(c)
C4 plants (d)
Halophytes
(e)
C2 plants
20. Where
does the light reaction of photosynthesis
takes
place?
(a)
Quantasomes in thylakoid
(b)
Outer membrane of chloroplast
(c)
Inner membrane of chloroplast
(d)
Stroma
(e)
Matrix
Answer key
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
A
C
C
A
C
C
B
A
D
C
D
B
A
C
C
C
C
A
C
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
A
C
C
A
C
C
B
A
D
C
D
B
A
C
C
C
C
A
C
A
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.