UNIT V: Plant Physiology - Online Test

Q1. Read the following four statements A,B,C and D. Select the right option

A. Z scheme of light reaction takes place in the presence of PS I only

B. only PS I is functional in cyclic photophosphorylation

C. cyclic photophosphorylation results into synthesis of ATP and NADPH2

D. stroma lamellae lack PS II as well as NADP

Answer : Option D
Explaination / Solution:
No Explaination.


Q2. Photolysis of each water molecule in light reaction will yield ___
Answer : Option D
Explaination / Solution:
No Explaination.


Q3. Photosynthetic active radiation (PAR) has the following range of wavelength
Answer : Option A
Explaination / Solution:
No Explaination.


Q4. Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in __ 
Answer : Option B
Explaination / Solution:
No Explaination.


Q5. With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?
Answer : Option C
Explaination / Solution:
No Explaination.


Q6. A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilization. In which of the following physiological groups would you assign this plant?
Answer : Option A
Explaination / Solution:
No Explaination.


Q7. Emerson's enhancement effect and Red drop have been instrumental in the discovery of
Answer : Option A
Explaination / Solution:
No Explaination.


Q8. The process which makes major difference between C3 and C4 plants is
Answer : Option C
Explaination / Solution:
No Explaination.


Q9. In a chloroplast the highest number of protons are found in
Answer : Option A
Explaination / Solution:
No Explaination.


Q10. Oxidative phosphorylation is
Answer : Option D
Explaination / Solution:
No Explaination.