1
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following options gives the correct sequence of events during mitosis?
A
Condensation $$ \to $$   Nuclear membrane disassembly $$ \to $$ Arrangement at equator $$ \to $$ Centromere division $$ \to $$ Segregation $$ \to $$ Telophase
B
Condensation $$ \to $$ Crossing over $$ \to $$ Nuclear membrane disassembly $$ \to $$ Segregation $$ \to $$ Telophase
C
Condensation $$ \to $$ Arrangement at equator $$ \to $$ Centromere division $$ \to $$ Segregation $$ \to $$ Telophase
D
Condensation $$ \to $$ Nuclear membrane disassembly $$ \to $$ Crossing over $$ \to $$ Segregation $$ \to $$ Telophase
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cell. If APC is defective in a human cell, which of the following is expected to occur?
A
Chromosomes will be fragmented.
B
Chromosomes will not segregate.
C
Recombination of chromosome arms will occur.
D
Chromosomes will not condense.
3
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.
4
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
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