1
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?
A
Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2 fixation rate.
B
C3 plants respond to higher temperature with enhanced photosynthesis while C4 plants have much lower temperature optimum.
C
Tomato is a greenhouse crop which can be grown in CO2 -enriched atmosphere for higher yield.
D
Light saturation for CO2 fixation occurs at 10% of full sunlight.
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
The region of Biosphere Reserve which is legally protected and where no human activity is allowed is known as :
A
Transition zone
B
Restoration zone
C
Buffer zone
D
Core zone
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
DNA fragments are
A
Positively charged
B
Either positively or negatively charged depending on their size
C
Neutral
D
Negatively charged
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis ?
A
Positively charged fragment move to farther end
B
Negatively charged fragments do not move
C
The smaller the fragment size, the farther it moves
D
The larger the fragment size, the farther it moves
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