List of top Botany Questions on Photosynthesis

Match List - I with List - II.

List - IList - II
A. Autotrophic aerobe
B. Autotrophic anaerobe
C. Heterotrophic aerobe
D. Heterotrophic anaerobe		I. Azotobacter
II. Rhodospirillum
III. Methanococcus
IV. Nostoc

Arrange the layers of tissues from the centre to periphery as observed in a woody dicot stem. A. Vascular cambium B. Periderm C. Primary xylem D. Secondary phloem E. Secondary xylem. Choose the correct answer from the options given below:
How may chlorophyll molecules are considered as 'molecules per physiological photosynthetic unit'?
Which statement is wrong regarding Photosystem I?
Which one is the first stable product of C3 cycle soon after the uptake of CO2?

Assertion (A): Light harvesting complexes made up of many pigments bound to proteins and are called antennae. 
Reason (R): Antennae absorb different wavelengths of light. 
 

The element which is important in determining solute concentration and oxygen evolution:
In the Calvin cycle, the ratio of trioses formed, net gain, and used to regenerate RUBP is:
Choose the correct statement among the following
A. The first action spectrum of photosynthesis was observed in the Cladophora experiment.
B. Chlorophyll 'b' will appear blue-green in the chromatogram.
C. In the biosynthetic phase of photosynthesis, ATP and NADPH are used.
D. In photosynthesis, light saturation occurs at 10% of full sunlight.
E. In CAM plants, RuBisCo will be absent.

Assertion [A]: Genetic variability is the root of any breeding programme.
Reason [R]: The entire collection of plants or seeds having all the diverse alleles for all genes in a given crop is called germ plasm collection.
 

The ratio of the number of electrons to be excited from PS II during non-cyclic photophosphorylation and PS I during cyclic phosphorylation respectively to form 120 ATPs