Home
Class 12
BIOLOGY
Assertion : In bacteria , photosynthesis...

Assertion : In bacteria , photosynthesis occurs by utilizing wavelength longer than 700 nm.
Reason : Here the reaction centre is B-890 .

A

If both are true with reason being correct explanation

B

both true but reason is not correct explanation

C

assertion is true but reason is wrong

D

both are wrong.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PHOTOSYNTHESIS

    DINESH PUBLICATION ENGLISH|Exercise CYG|10 Videos

  • ORIGIN OF LIFE

    DINESH PUBLICATION ENGLISH|Exercise All Questions|201 Videos

  • PHYLUM - ANNELIDA

    DINESH PUBLICATION ENGLISH|Exercise Check your grasp|10 Videos

Similar Questions

Explore conceptually related problems

Assertion : Bacterial photosynthesis occurs by utilizing wavelength longer than 700 nm. Reason : Here reaction centre is B-890 .

Assertion : Dark reactions of photosynthesis are temperauture -controlled processes. Reason : Most of the reactions are enzymatic in nature.

Assertion : Dark reactions of photosynthesis are temperauture -controlled processes. Reason : Most of the reactions are enzymatic in nature.

Assertion: Assimilotary power in photosynthesis is generated in ETS occuring in thylakoid membrane . Reason : They are needed for CO_(2) reduction.

Assertion : Dark reaction of photosynthesis uses ATP and NADPH_(2) Reason : Dark reaction takes place in absence of light.

Which of the following statement is / are incorrect ? (i) Green light falling in the range of wavelength 500 -580 nm is least effective for photosynthesis. (ii) In non - cyclic photophosphorylation, the electron expelled from the reaction centre is not cycled back , though its loos is compensated by electrons from the photolysis of water . (iii) Chl a , Chl b , carotenoids , and xanthophylls are insoluble in organic solvents. (iv) 400-700 nm light is used in photosynthesis also known as PAR. (v) Red light is the most effective for photosynthesis.

Assertion : Metabolism refers to the sum of chemical reaction that occur within living organisms. Reason : Metabolic reactions occur simultaneously inside living organisms.

Assertion : Phenol undergoes Kolbe's reaction whereas ethanol does not . Reason : Phenoxide ion is more basic than ethoxide ion .

Assertion. In light reaction of photosynthesis, light is required for the functioning of PS I and PS II and Production of NADPH and ATP. Reason. Dark reaction does not occur in light.

Assertion : If reaction quotient, Q_(c) for a particular reaction is greater than K_(c) the reaction will proceed in the direction of reactants. Reason : Reaction quotient is defined in the same way as the equilibrium constant K_(c) except that the concentrations in Q_(c) are not necessarily equilibrium values. (a)If both assertion and reason are true and reason is the correct explanation of assertion. (b)If both assertion and reason are true but reason is not the correct explanation of assertion. (c)If assertion is true but reason is false. (d)If both assertion and reason are false