The molecular basis of inheritance is an important topic in the Biology section in MHT CET exam. Practising this topic will increase your score overall and make your conceptual grip on MHT CET exam stronger.
This article gives you a full set of MHT CET PYQs for The Molecular Basis of Inheritance with explanations for effective preparation. Practice of MHT CET Biology PYQs including The Molecular Basis of Inheritance questions regularly will improve accuracy, speed, and confidence in the MHT CET 2026 exam.
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MHT CET PYQs for The Molecular Basis of Inheritance with Solutions
1.
In one nucleosome, which one of the following histone molecule is NOT double ?- $H_{4}$
- $H_{3}$
- $H_{2}$
- $H_{1}$
2.
Which one of the following statement is incorrect?- (A) "Pusa Komal" is resistance for bacterial blight.
- (B) Smooth leaved and nectarless cotton varieties do not attract bollworms.
- (C) The semi-dwarf varieties of wheat and rice were developed by Norman E. Borlaug.
- (D) Plant breeding is the fastest method to obtained improved varities.
3.
Which of the following factors ensures that coding for the same amino acid, such as methionine and valine, using identical anticodons remains non-ambiguous?- Redundancy of the genetic code.
- Degeneracy of the genetic code.
- Complementary base pairing between codons and anticodons.
- The presence of start and stop codons in the mRNA.
4.
In a DNA molecule, if the percentage of adenine (A) is 30\%, what is the percentage of cytosine (C)?- 20\%
- 30\%
- 40\%
- 50\%
5.
A frog has its brain crushed. But when pinched on the leg. The leg draws away. It is an example of:- (A) Neurotransmitter induced response
- (B) Simple reflex
- (C) Conditioned reflex
- (D) Automated motor response
6.
Nucleotide constituents of RNA are- AGUC
- AGCT
- CTAU
- CATG
7.
Who proved transforming principle?- Griffith.
- Avery.
- Watson.
- Franklin.
8.
Which of the following codons codes for the amino acid phenylalanine?- AUG.
- UUU.
- GCA.
- CCC.
9.
The path that leads from the throat to the lungs is known as:- (A) Trachea
- (B) Esophagus
- (C) Epiglottis
- (D) Larynx
10.
What could be the possible reason for the minimal use of MSG in preserved/ canned food items?- (A) Reduction in spore formation
- (B) Increase in spore formation
- (C) Facilitating multiplication of bacteria
- (D) None of these
11.
What percentage of ventricular filling is achieved by atrial contraction?- (A)
- (B)
- (C)
- (D)
12.
Which of the following statements is correct regarding the number of codons and their degeneracy?- There are 20 codons, and all of them exhibit degeneracy.
- There are 64 codons, and none of them exhibit degeneracy.
- There are 64 codons, and some of them exhibit degeneracy.
- There are 20 codons, and none of them exhibit degeneracy.
13.
One of these is associated with terminator codon?- AGG
- UAA
- UUA
- AUG
14.
Whose work is to protect the land from floods, remove sediments and other pollutants and recharge groundwater?- (A) Wetlands
- (B) Oceans
- (C) Rivers
- (D) Forests
15.
Which one of the following process occurs inside the nucleus during protein synthesis in a eukaryotic cells ?- Processing of hnRNA
- Activation of amino acids
- Translation
- Formation of polypeptide chain
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