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NEET Biology Statement Based Questions

Which one of the following statements is correct, with reference to enzymes?

Holoenzyme = Apoenzyme + Coenzyme

Coenzyme = Apoenzyme + Holoenzyme

Holoenzyme = Coenzyme + Co-factor

Apoenzyme = Holoenzyme + Coenzyme

Correct! Wrong!

Myelin sheath is produced by :

Astrocytes and Schwann cells

Oligodendrocytes and Osteoclasts

Osteoclasts and Astrocytes

Schwann cells and Oligodendrocytes

Correct! Wrong!

Receptor sites for neurotransmitters are present on:

Pre-synaptic membrane

Tips of axons

Post-synaptic membrane

Membrane of synaptic vesicles

Correct! Wrong!

Artificial selection to obtain cows yielding higher milk output represents :

Directional as it pushes the mean of the character in one direction

Disruptive as it splits the population into two, one yielding higher output and the other lower output

Stabilizing followed by disruptive as it stabilizes the population to produce higher yielding cows

Stabilizing selection as it stabilizes this character in the population

Correct! Wrong!

Thalassemia and sickle cell anemia are caused due to a problem in globin molecule synthesis. Select the correct statement :

Both are due to a quantitative defect in globin chain synthesis

Thalassemia is due to less synthesis of globin molecules

Sickel cell anemia is due to a quantitative problem of globin molecules

Both are due to a qualitative defect in globin chain synthesis

Correct! Wrong!

The genotypes of a husband and Wife are IAIB and IAi. Among the blood types of their children, how many different genotypes and phenotypes are possible?

3 genotypes ; 4 phenotypes

4 genotypes ; 3 phenotypes

4 genotypes ; 4 phenotypes

3 genotypes ; 3 phenotypes

Correct! Wrong!

Which of the following facilitates opening of stomatal aperture?

Decrease in turgidity of guard cells

Radial orientation of cellulose microfibrils in the cell wall of guard cells

Longitudinal orientation of cellulose microfibrils in the cell wall of guard cells

Contraction of outer wall of guard cells

Correct! Wrong!

Which one of the following is related to Ex-situ conservation of threatened animals and plants?

Biodiversity hot spots

Amazon rainforest

Himalayan region

Wildlife safari parks

Correct! Wrong!

A disease caused by an autosomal primary nondisjunction is :

Klinefelter's Syndrome

Turner's Syndrome

Sickel Cell Anemia

Down's Syndrome

Correct! Wrong!

The water potential of pure water is :

Less than zero

More than zero but less than one

More than one

Zero

Correct! Wrong!

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NEET Biology Statement Based Questions

NEET Biology Statement Based Questions

Which one of the following statements is correct, with reference to enzymes?

Myelin sheath is produced by :

Receptor sites for neurotransmitters are present on:

Artificial selection to obtain cows yielding higher milk output represents :

Thalassemia and sickle cell anemia are caused due to a problem in globin molecule synthesis. Select the correct statement :

The genotypes of a husband and Wife are IAIB and IAi. Among the blood types of their children, how many different genotypes and phenotypes are possible?

Which of the following facilitates opening of stomatal aperture?

Which one of the following is related to Ex-situ conservation of threatened animals and plants?

A disease caused by an autosomal primary nondisjunction is :

The water potential of pure water is :

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