NEET Practice Questions

Q41. Consider the given two statements:

Assertion (A):	Transcription and translation can be coupled in bacteria.
Reason (R):	In bacteria, mRNA does not require any processing to become active, and transcription and translation take place in the same compartment.

Both(A)and(R)are True and(R)correctly explains(A).
(A)is True but(R)is False.
Both(A)and(R)are True but(R)does not correctly explain(A).
(A)is False but(R)is True.

Q42. To address the importance of bringing up socially conscious healthy families of desired size, all the following strategies will be helpful except

Educating people, especially fertile couples and those in marriageable age group, about available
birth control options
Care of pregnant mothers, post-natal care of the mother and child, importance of breast feeding
Equal opportunities for the male and the female child
Allowing pre-natal sex determination so that couple can select the sex of the child

Q43. The magnetic force per unit length acting between two long parallel current carrying wires carrying currents \(i_1,i_2\) and separated by a short distance \(r\) is proportional to:

\(\Large\frac{i_1i_2}{r}\)
\(\Large\frac{i_1i_2}{r^2}\)
\(\Large\frac{i_1i_2}{r^3}\)
\(\Large\frac{(i_1i_2)^2}{r^4}\)

Q44. A recent record of 2000 years old viable seed has been discovered during the archaeological excavation at King Herod’s palace near the Dead Sea. This seed is of:

Lupinus arcticus
Phoenix dactylifera
Strobilanthes kunthiana
Arabidopsis thaliana

Q45. When a stimulus of adequate strength is applied at a site on the polarised membrane, the membrane at that site becomes:

freely permeable to Na⁺.
freely permeable to K⁺.
impermeable to Na⁺.
impermeable to K⁺.

Q46. Given below are two statements:

Assertion (A):	Zinc is not a transition metal.
Reason (R):	Zinc has a full d¹⁰ configuration in its ground state as well as in its common oxidation states.

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

Both(A)and(R)are True and(R)is the correct explanation of(A)
Both(A)and(R)are True but(R)is not the correct explanation of(A)
(A)is True but(R)is False
(A)is False but(R)is True

Q47. Consider the two statements:

Assertion (A):	Gibberellins are used to increase the length of grape stalks.
Reason (R):	Gibberellins help overcome apical dominance.

Both(A)and(R)are True and(R)correctly explains(A).
Both(A)and(R)are True but(R)does not correctly explain(A).
(A)is True;(R)is False.
(A)is False;(R)is True.

Q48. Which of the following movement across a cell membrane will require the utilisation of ATP energy?

Movement of neutral solutes along the concentration gradient.
Osmosis of water from higher to lower concentration.
Movement of polar molecules along the concentration gradient facilitated by a carrier protein.
Transport of ions against their concentration gradient.

Q49. Consider the two statements:

Statement I:	Morphology refers to the form and structure of animals and plants, studied as a science.
Statement II:	Anatomy is concerned with the identification and description of the body structures of living things.

Statement I and Statement II are incorrect
Statement I is correct and Statement II is incorrect
Statement I and Statement II are correct
Statement I is incorrect and Statement II is correct

Q50. Which of the following is not true regarding the structure of the cell wall in members of various Kingdoms in Whittaker’s classification system?

It is composed of polysaccharides and amino acids in Monera.
All members of Kingdom Protista have a cell wall, usually cellulosic.
Cell wall with chitin is present in Fungi.
Animals lack a cell wall in their cells.

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