Free Photosynthesis In Higher Plants (Monthly Quiz: 1) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

PEP is a primary $CO_2$ acceptor in

(a) $C_3$ plants

(b) $C_4$ plants

(c) $C_2$ plants

(d) Both $C_3$ and $C_4$ plants

Question-2

Which pigment system is inactivated in red drop?

(a) PS-Iand PS-II

(b) PS-II

(c) PS-I

(d) None of these

Question-3

Half leaf experiment proved that _________ is required for photosynthesis.

(a) Chlorophyll

(b) Carbon dioxide

(c) Light

(d) Oxygen

Question-4

In Calvin cycle, RuBisCO incorporates $CO_{2}$ into ribulose, 1, 5-bisphosphate which rapidly splits into

(a) 2 molecules of 2-PGA

(b) 2 molecules of 3-PGA

(c) 3 molecules of 3-PGA

(d) 3 molecules of 2-PGA

Question-5

All the reactions from the reduction of $CO_{2}$ to the formation of sugar are included in –

(a) Photolysis

(b) Light reaction

(c) Dark reaction

(d) Hill reaction

Question-6

Which light shows higher rate of photosynthesis?

(a) Red and blue

(b) Yellow and green

(c) Yellow and orange

(d) Yellow and red

Question-7

During photorespiration

(a) Phosphoglycerate and phosphoglycolate is formed

(b) RuBisCo binds with $O_2$

(c) Sugar is not synthesized

(d) All the above

Question-8

Read the following four statements (1), (2), (3) and (4) and select the right option having both correct statements.
Statements:

1. Z scheme of light reaction takes place in the presence of PS I only.
2. Only PS I is functional in cyclic photophosphorylation.
3. Cyclic photophosphorylation results into synthesis of ATP and NADPH2
4. Stromal lamellae lacks PS II as well as NADP.

(a) (1) and (2)

(b) (2) and (4)

(c) (2) and (3)

(d) (3) and (4)

Question-9

Cyclic photophosphorylation results in the formation of

(a) ATP and NADPH

(b) ATP

(c) ATP, NADPH and O2

(d) NADPH.

Question-10

In Kranz anatomy, the bundle sheath cells have

(a) thick walls, no intercellular spaces and large number of chloroplasts.

(b) thin walls, many intercellular spaces and no chloroplasts.

(c) thin walls, no intercellular spaces and several chloroplasts.

(d) thick walls, many intercellular spaces and few chloroplasts

Question-11

Stomata of CAM plants

(a) never open

(b) open during the day and close at night

(c) are always open

(d) open during the night and close during the day

Question-12

Assertion:
Light is rarely a limiting factor in most of plant.
Reason:
Light saturation occur at 10% of the full sunlight.

(a) If both the assertion and reason are true but the reason is not a correct explanation of the assertion.

(b) If both the assertion and the reason are true and the reason is a correct explanation of the assertion.

(c) If the assertion is true but the reason is false.

(d) If both the assertion and reason are false.

Question-13

Which of the following wavelength occurs in red part of the spectrum?

(a) 390 nm

(b) 470 nm

(c) 680 nm

(d) 830 nm

Question-14

Ferredoxin is a constituent of

(a) PS-I

(b) Hill reaction

(c) PS-II

(d) $P_{680}$

Question-15

One of the earliest experiments on photosynthesis was done in 1770 by Joseph Priestley. He demonstrated that

(a) water is essential for life.

(b) sun is the ultimate source of energy.

(c) plants & animals “restore” the air for each other.

(d) chlorophyll captures light energy.

Question-16

Which one is a $C_4$ -plant?

(a) Papaya

(b) Potato

(c) Pea

(d) Maize/Corn

Question-17

In photosystem I, the first electron acceptor is

(a) an iron-sulphur protein

(b) cytochrome

(c) ferredoxin

(d) plastocyanin.

Question-18

The rate of photosynthesis does not depend upon –

(a) Light intensity

(b) Light duration

(c) Light quality (colour)

(d) Temperature

Question-19

Where water splitting complex associated with PS II is situated?

(a) Inner side of thylakoid membrane

(b) Inner side of chloroplast outer membrane

(c) Outer side of thylakoid membrane

(d) Inner side of chloroplast outer membrane

Question-20

Stomata of CAM plants

(a) are always open

(b) open during the night and close during the day

(c) open during the day and close at night

(d) never open.