Photosynthesis in Higher Plants Test

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Photosynthesis in Higher Plants Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

The essential role of air in the growth of green plants is given by

A
Cornelius van niel

B
Engelmann

C
Julis von sach

D
Joseph Priestly

Solution

Joseph Priestley (1733-1804) in 1770 performed a series of experiments that revealed the essential role of air in the growth of green plants.
Question 2
1 / -0

Phytochrome occurs in two forms. In which form(s) does it promote the germination of seeds of some species?

A
P_FR form

B
P_R form

C
Both (1) and (2)

D
None of these
Question 3
1 / -0

The chief pigment associated in process of photosynthesis is

A
Chlorophyll c

B
Chlorophyll m

C
Chlorophyll a

D
Chlorophyll b

Solution

Chlorophyll a, shows higher rate of photosynthesis.so, chlorophyll a is the chief pigment associated with photosynthesis.
Question 4
1 / -0

At carbon-3, chlorophyll has

A
— CHO group

B
— CH₃ group

C
— COOH group

D
no functional group
Question 5
1 / -0

The water-soluble pigment present in vacuoles is

A
anthocyanin

B
hematoxylin

C
chromophore

D
rhodopsin
Question 6
1 / -0

Carotenes protect plants from

A
photo-oxidation

B
desiccation

C
photorespiration

D
photosynthesis
Question 7
1 / -0

Which of the following sequences correctly represents the flow of electrons during photosynthesis?

A
NADPH → O₂ → CO₂

B
H₂O → NADPH → Calvin cycle

C
H₂O → photosystem I → photosystem II

D
NADPH → electron transport chain → O₂
Question 8
1 / -0

What will be the effect on a phytochrome leaf if it is subjected to continuous red light?

A
Level of phytochrome decreases

B
Phytochrome is destroyed

C
Phytochrome synthesis increases

D
Destruction and synthesis of phytochrome in equilibrium
Question 9
1 / -0

The first stable product of C₃ photosynthesis is

A
phosphoglyceric acid

B
ribulose-1, 5-bisphosphate

C
phosphoglyceraldehyde

D
malic acid
Question 10
1 / -0

Photosynthesis take place in

A
Leaves

B
Roots

C
Flowers

D
Stem

Solution

Photosynthesis takes place only in the green parts of the plants, mainly the leaves.

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Photosynthesis in Higher Plants Test - 2

Result

Photosynthesis in Higher Plants Test - 2

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Question 1

Cornelius van niel

Engelmann

Julis von sach

Joseph Priestly

Solution

Question 2

PFR form

PR form

Both (1) and (2)

None of these

Question 3

Chlorophyll c

Chlorophyll m

Chlorophyll a

Chlorophyll b

Solution

Question 4

— CHO group

— CH3 group

— COOH group

no functional group

Question 5

anthocyanin

hematoxylin

chromophore

rhodopsin

Question 6

photo-oxidation

desiccation

photorespiration

photosynthesis

Question 7

NADPH → O2 → CO2

H2O → NADPH → Calvin cycle

H2O → photosystem I → photosystem II

NADPH → electron transport chain → O2

Question 8

Level of phytochrome decreases

Phytochrome is destroyed

Phytochrome synthesis increases

Destruction and synthesis of phytochrome in equilibrium

Question 9

phosphoglyceric acid

ribulose-1, 5-bisphosphate

phosphoglyceraldehyde

malic acid

Question 10

Leaves

Roots

Flowers

Stem

Solution

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P_FR form

P_R form

— CH₃ group

NADPH → O₂ → CO₂

H₂O → NADPH → Calvin cycle

H₂O → photosystem I → photosystem II

NADPH → electron transport chain → O₂