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

Given below are two statements :

Statement I : The forces generated transpiration can lift a xylem-sized column of water over 130 meters height.

Statement II : Transpiration cools leaf surfaces sometimes 10 to 15 degrees evaporative cooling.

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

A
Both Statement I and Statement II are incorrect
B
Statement I is correct but Statement II is incorrect
C
Statement I is incorrect but Statement II is correct
D
Both Statement I and Statement II are correct
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Upon exposure to UV radiation, DNA stained with ethidium bromide will show

A
Bright blue colour
B
Bright yellow colour
C
Bright orange colour
D
Bright red colour
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

The historic Convention on Biological Diversity, ‘The Earth Summit’ was held in Rio de Janeiro in the year

A
1992
B
1986
C
2002
D
1985
4
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
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