MHT CET PYQs for Photosynthesis in higher plants with Solutions: Practice MHT CET Previous Year Questions

1.

The highest rate of photosynthesis in green plants is in _____ and _____ region of light spectrum.

• yellow and orange
• green and violet
• red and blue
• violet and blue

2.

Which of the following is the correct equation for photosynthesis?

• \( 6CO_2 + 6H_2O + \text{light energy} \rightarrow C_6H_{12}O_6 + 6O_2 \)
  
• \( C_6H_{12}O_6 + 6O_2 \rightarrow 6CO_2 + 6H_2O + \text{energy} \)
  
• \( 6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6 + 6O_2 + \text{light energy} \)
  
• \( C_6H_{12}O_6 + 6O_2 \rightarrow 6CO_2 + 6H_2O + \text{light energy} \)
  

3.

Number of chlorophyll molecules present in a quantasome is

• 250-300
• 300-350
• 350-400
• 400-450

4.

Which of the following is responsible for the production of oxygen during photosynthesis? 
A. Calvin cycle 
B. Photolysis of water 
C. Cyclic photophosphorylation 
D. Reduction of NADP+

• Calvin cycle
• Photolysis of water
• Cyclic photophosphorylation
• Reduction of NADP+

5.

Which of the following statements correctly differentiates reproduction in higher plants from lower plants?

• \( \text{Higher plants reproduce only sexually, while lower plants reproduce only asexually.} \)
  
• \( \text{Lower plants reproduce through spores, while higher plants reproduce through seeds.} \)
  
• \( \text{Higher plants reproduce through fragmentation, while lower plants reproduce sexually.} \)
  
• \( \text{There is no difference in the reproduction of higher and lower plants.} \)

6.

Photolysis of water requires

• Light
• Electron transport
• Chlorophyll
• Both light and chlorophyll

7.

What is the role of chlorophyll in photosynthesis?

• It absorbs light energy and converts it into chemical energy.
  
• It provides the plant with nutrients.
  
• It helps in the absorption of water from the soil.
  
• It helps in the transport of sugars within the plant.
  

8.

In a plant cell, which organelle is primarily responsible for photosynthesis?

9.

In $C_{3}$ plants, the first stable product of photosynthesis during the dark reaction is

• malic acid
• oxaloacetic acid
• 3-phosphoglyceric acid
• phosphoglyceraldehyde

10.

Final product of HSK cycle is formed in

• Mesophyll cells
• Bundle sheath cells
• Epidermal cells
• Guard cells

11.

Which one does not show HSK pathway ?

• Maize
• Jowar
• Sugarcane
• Sunflower

12.

IN C planes, chloroplasts of bundle sheath cells lack

• Stroma
• Grana
• Chlorophylls
• All the above

13.

Photochemical phase of photosynthesis occurs in

• Stroma
• Grana
• Plastoglobules
• Matrix

14.

Final electron acceptor in PS II during light reaction is

• Phaeophytin
• Plastoquinone
• Cyt b
• Plastocyanin

15.

What is the role of chlorophyll in photosynthesis?

• It absorbs light energy and converts it to chemical energy.
  
• It synthesizes glucose from carbon dioxide.
  
• It breaks down glucose to release energy.
  
• It transports oxygen to other parts of the plant.