Photosynthesis - Tamil Nadu Board STD 11 BIO BOTANY Questions - Vidyadip

Question types

Photosynthesis question types

71 questions across 4 question groups — pick any mix to generate a BIO BOTANY paper with step-by-step answer keys.

71

Questions

4

Question groups

5

Question types

Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.

[2 Mark Questions]

[3 Mark each]

[5 Mark each]

Sample Questions

Photosynthesis questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.1 Mark

Splitting of water molecule (photolysis) produces:

A
hydrogen and oxygen
✓
electrons, protons and oxygen
C
electrons and oxygen
D
hydrogen, carbon di oxide and oxygen

Answer: B.

View full solution →

Q 2Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.1 Mark

Bacterial photosynthesis differs from higher plant photosynthesis in:

A
utilizing water as electron donar
B
releasing $O_2$
✓
releasing sulphur instead of oxygen
D
utilizing $SO_2$ as electron donar

Answer: C.

View full solution →

Q 3Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.1 Mark

Hormones like gibberellin:

✓
increases the rate of photosynthesis
B
increase respiration
C
decrease the rate of photosynthesis
D
decrease the rate of transpiration

Answer: A.

View full solution →

Q 4Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.1 Mark

The important external factors affecting photosynthesis are:

A
light, chlorophyll, temperature
B
light, stomatal opening, oxygen
C
light, protoplasmic factor, oxygen
✓
light, $CO_2$ and oxygen

Answer: D.

View full solution →

Q 5Choose the most appropriate answer from the given alternatives and write the option code and the corresponding answer.1 Mark

Glycolate protects plant cells from:

A
Photophosphorylation
B
Photo reduction
✓
Photo oxidation
D
Photolysis

Answer: C.

View full solution →

Q 6[2 Mark Questions]2 Marks

Name any three photosynthetic bacteria.

View full solution →

Q 7[2 Mark Questions]2 Marks

How does water affect the rate of photosynthesis?

View full solution →

Q 8[2 Mark Questions]2 Marks

What are the air pollutants, that affect rate of photosynthesis?

View full solution →

Q 9[2 Mark Questions]2 Marks

What, are the internal factors, that affect photosynthesis?

View full solution →

Q 10[2 Mark Questions]2 Marks

What is meant by carbon dioxide compensation point?

View full solution →

Q 11[3 Mark each]3 Marks

what are the significance of CAM cycle?

View full solution →

Q 12[3 Mark each]3 Marks

What is the type of carbon pathway in xerophytic plants?

View full solution →

Q 13[3 Mark each]3 Marks

What is the type of carbon pathway in xerophytic plants?

View full solution →

Q 14[3 Mark each]3 Marks

What is meant by dicarfioxylic acid pathway?

View full solution →

Q 15[3 Mark each]3 Marks

Explain the phase – 3 of dark reaction.

View full solution →

Q 16[5 Mark each]5 Marks

(i) Name the products produced from Non – Cyclic photophosphorylation?
(ii) Why does PS II require electrons from water?
(iii) Can you find the difference in the Pathway of electrons during PS I and PS II?

View full solution →

Q 17[5 Mark each]5 Marks

Distinguish between photorespiration and dark respiration.

View full solution →

Q 18[5 Mark each]5 Marks

Give the schematic diagram of photorespiration.

View full solution →

Q 19[5 Mark each]5 Marks

Compare and contrast the photosynthetic processes in $C _3$ and $C _4$ plants.

View full solution →

Q 20[5 Mark each]5 Marks

Explain chemiosmotic theory with suitable I diagram.

View full solution →

Browse all question groups ↑

Generate a Photosynthesis paper free

Pick question groups from the list above, set marks and difficulty, and export a branded PDF with step-by-step answer keys. First 3 chapters free — no signup.

Generate Paper Free All BIO BOTANY chapters