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UNIT V: Plant Physiology
- Online Test
UNIT V: Plant Physiology
TEST : 3
# UNIT V: Plant Physiology
# TN 11th Botany
Prepare / Learn
Q1.
Boron in green plants assists in
A.
photosynthesis
B.
Sugar transport
C.
activation of enzyme
D.
acting as enzyme cofactor
View Solution
Add Work Space
Answer :
Option B
Explaination / Solution:
No Explaination.
# UNIT V: Plant Physiology
# TN 11th Botany
Prepare / Learn
Q2.
Which of the following elements is very essential for the uptake of Ca2+ and membrane function?
A.
phosphorus
B.
molybdenum
C.
manganese
D.
boron
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
No Explaination.
# UNIT V: Plant Physiology
# TN 11th Botany
Prepare / Learn
Q3.
Sulphur is not a constituent of
A.
cysteine
B.
methionine
C.
ferredoxin
D.
pyridoxine
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
No Explaination.
# UNIT V: Plant Physiology
# TN 11th Botany
Prepare / Learn
Q4.
Deficiency symptoms of nitrogen and potassium are visible first in _____
A.
senescent leaves
B.
young leaves
C.
roots
D.
buds
View Solution
Add Work Space
Answer :
Option A
Explaination / Solution:
No Explaination.
# UNIT V: Plant Physiology
# TN 11th Botany
Prepare / Learn
Q5.
The first stable product of fixation of atmospheric nitrogen in leguminous plants is _____
A.
NO
-3
B.
glutamate
C.
NO
-2
D.
ammonia
E.
CO
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
No Explaination.
# UNIT V: Plant Physiology
# TN 11th Botany
Prepare / Learn
Q6.
C4 plants are more efficient in photosynthesis than C3 plants due to
A.
presence of thin cuticle
B.
lower rate of photorespiration
C.
higher leaf area
D.
presence of larger number of chloroplast in the leaf cells.
View Solution
Add Work Space
Answer :
Option B
Explaination / Solution:
No Explaination.
# UNIT V: Plant Physiology
# TN 11th Botany
Prepare / Learn
Q7.
Chlorophyll b is
A.
C
54
H
70
O
6
N
4
Mg
B.
C
55
H
70
O
6
N
4
Mg
C.
C
55
H
72
O
5
N
4
Mg
D.
C
45
H
72
O
5
N
4
Mg
E.
C
45
H
72
O
7
N
3
Mg
View Solution
Add Work Space
Answer :
Option B
Explaination / Solution:
No Explaination.
# UNIT V: Plant Physiology
# TN 11th Botany
Prepare / Learn
Q8.
Synthesis of ADP + Pi → ATP in grana is
A.
phosphorylation
B.
photophosphorylation
C.
oxidative phosphorylation
D.
photolysis
View Solution
Add Work Space
Answer :
Option B
Explaination / Solution:
No Explaination.
# UNIT V: Plant Physiology
# TN 11th Botany
Prepare / Learn
Q9.
In chloroplast, chlorophyll is present in the
A.
stroma
B.
outer membrane
C.
inner membrane
D.
thylakoids
View Solution
Add Work Space
Answer :
Option D
Explaination / Solution:
No Explaination.
# UNIT V: Plant Physiology
# TN 11th Botany
Prepare / Learn
Q10.
Electrons from the excited chlorophyll molecule of photosystem II are accepted first by
A.
quinone
B.
ferredoxin
C.
cytochrome-b
D.
cytochrome-f
View Solution
Add Work Space
Answer :
Option A
Explaination / Solution:
No Explaination.
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