Photochemical phase does not include-
a. water splitting
b. oxygen release
c. CO2 assimilation
d. light absorption

Subtopic:  Light Reactions :1 | Light Reactions |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Which of the following statement is incorrect?
a. Reaction centre is formed by a group of chl- a molecules.
b. Reaction centre is different in both the photosystems.
c. In PS I the reaction centre chlorophyll a has an absorption peak at 700 nm.
d. In PS II the reaction centre chlorophyll a has absorption maxima at 680 nm.

Subtopic:  Light Reactions :1 | Light Reactions :2 | Light Reactions |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


In photosystem-I, P700 refers to-
a. chl-b
b. chl-a
c. number of pigment molecules
d. absorption peak of chl-a at 700nm.

Subtopic:  Light Reactions :1 | Light Reactions :2 | Light Reactions |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Light harvesting complexes are made up of-
a. proteins
b. pigments
c. protein and pigments
d. proteins and lipids.

Subtopic:  Light Reactions :1 | Light Reactions |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


In chloroplast the movement of electrons from PS-II to electron transport system is-
a. uphill in terms of redox potential scale.
b. downhill in terms of redox potential scale.
c. from one cytochrome to another
d. None of the above.

Subtopic:  Light Reactions :2 | Light Reactions :3 | Light Reactions |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Electrons in the reaction center of PS-I are excited by-
a. blue light
b. red light
c. green light
d. blue and red light.

Subtopic:  Light Reactions :1 | Light Reactions :2 | Light Reactions |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Final acceptor in the Z-scheme of light reaction-
a. oxygen
b. NADPH
c. NADP+
d. ferredoxin

Subtopic:  Light Reactions :1 | Light Reactions :2 | Light Reactions |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


In the Z-scheme of light reaction, at how many positions an electron is excited by the light?
a. 1
b. 2
c. 3
d. 4

Subtopic:  Light Reactions :1 | Light Reactions :2 | Light Reactions |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Spliting of water is associated with-
a. PS II
b. PS I
c. PS I AND PS II
d. outer membrane of thylakoid.

Subtopic:  Light Reactions :3 | Light Reactions |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Which of the following statement is incorrect?
a. Electrons to PS-I are provided by PS-II
b. Electrons to PS-II are provided by splitting of water
c. Electrons to PS-I are provided by splitting of water
d. PS-II is physically located on the inner side of the membrane of thylakoid.

Subtopic:  Light Reactions :3 | Light Reactions |
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh
To view explanation, please enrol in the course below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level: