Photosynthesis class11

JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload.

Doctors Biology Online MCQ

Water soluble pigments found in plant cell vacuoles are *

1 point

A. carotenoids

B. anthocyanins

C. xanthophylls

D. chlorophylls.

Emerson’s enhancement effect and Red drop have been instrumental in the discovery of... *

1 point

A. photophosphorylation and cyclic electron transport

B. oxidative phosphorylation

C. photophosphorylation and noncyclic electron transport

D. two photosystems operating simultaneously.

Chromatophores take part in *

1 point

A. Movement

B. Respiration

C. Photosynthesis

D. Growth.

2. Phosphoenol pyruvate (PEP) is the primary CO 2 acceptor in *

1 point

A. C 4 plants

B. C 2 plants

C. C 3 and C 4 plants

D. C 3 plants.

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 nitrogenutilisation. In which of the following physiological groups would you assign this plant? *

1 point

A. CAM

B. Nitrogen fixer

C. C 3

D. C 4

In photosynthesis, the light independent reactions take place at *

1 point

A. photosystem II

B. stromal matrix

C. thylakoid lumen

D. photosystem I.

Water vapour comes out from the plant leaf through the stomatal opening. Through the same stomatal opening carbon dioxide diffuses into the plant during photosynthesis. Reason out the above statements using one of following options. *

1 point

(a) The above processes happen only during night time.

(b) One process occurs during day time and the other at night.

(d) Both processes can happen together because the diffusion coefficient of water and CO2 is different.

3.The process which makes major difference between C 3 and C 4 plants is *

1 point

(a) glycolysis

(b) Calvin cycle

(d) respiration.

In a chloroplast the highest number of protons are found in *

1 point

A. intermembrane space

B. antennae complex

C. stroma

D. lumen of thylakoids.

The correct sequence of cell organelles during photorespiration is *

1 point

A. chloroplast, Golgi-bodies, mitochondria

B. chloroplast, Mitochondria, dictyosomes

C. chloroplast, peroxisome. mitochondria

D. chloroplast, vacuole, peroxisome.

Submit

Clear form

Forms

This content is neither created nor endorsed by Google.