1
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

The reaction centre in PS II has an absorption maxima at

A
700 nm
B
660 nm
C
780 nm
D
680 nm
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements : One labelled as Assertion A and the other labelled as Reason R:

Assertion A : The first stage of gametophyte in the life cycle of moss is protonema stage.

Reason R : Protonema develops directly from spores produced in capsule.

In the light of the above statements, choose the most appropriate answer from options given below:

A
Both A and R are correct but R is NOT the correct explanation of A
B
A is correct but R is not correct
C
A is not correct but R is correct
D
Both A and R are correct and R is the correct explanation of A
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

In tissue culture experiments, leaf mesophyll cells are put in a culture medium to form callus. This phenomenon may be called as

A
Dedifferentiation
B
Development
C
Senescence
D
Differentiation
4
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement I : Endarch and exarch are the terms often used for describing the position of secondary xylem in the plant body.

Statement II : Exarch condition is the most common feature of the root system.

In the light of the above statements, choose the correct answer from the options given below:

A
Both Statement I and Statement II are false
B
Statement I is correct but Statement II is false
C
Statement I is incorrect but Statement II is true
D
Both Statement I and Statement II are true
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Graduate Aptitude Test in Engineering
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Class 12