The unit of life MCQ Questions for NEET UG

Practice Questions

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Q1Assertion ReasonMarks: 4.00Negative: -1.00

Assertion: Polar molecules require membrane carrier proteins for transport.

Reason: Polar molecules alone cannot pass through the non-polar lipid bilayer.

A. Both Assertion and Reason are correct, and Reason is the correct explanation of Assertion.B. Both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.C. Assertion is correct, but Reason is wrong.D. Both Assertion and Reason are wrong.

Q2SingleMarks: 4.00Negative: -1.00

The main arena of cellular activities in both plant and animal cells is

A. NucleusB. NucleolusC. CytoplasmD. Endoplasmic reticulum

Q3SingleMarks: 4.00Negative: -1.00

On the sides of the centromere, disc-shaped structures are known as

A. KinetochoresB. ChromatinsC. ChromatidsD. Telomeres

Q4MatchMarks: 4.00Negative: -1.00

Match the following:

A		B
1.	Amyloplasts	A.	Oils and fats
2.	Elaioplasts	B.	Proteins
3.	Aleuroplasts	C.	Pigments
4.	Chromoplasts	D.	Starch

A. 1-B, 2-C, 3-D, 4-AB. 1-C, 2-D, 3-A, 4-BC. 1-A, 2-C, 3-B, 4-DD. 1-D, 2-A, 3-B, 4-C

Q5SingleMarks: 4.00Negative: -1.00

Select the false statement in relation to lysosomes.

A. These are membrane-bound vesicular structures.B. Lysosomes are called suicide bags of the cell.C. Lysosomal vesicles contain hydrolytic enzymes such as lipases, proteases and carbohydrases.D. Lysosomal enzymes are active at alkaline pH.

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