CUET PG PYQs for Genetics and Plant Breeding with Solutions: Practice CUET PG Previous Year Questions

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Genetics and Plant Breeding is an important topic in the Agricultural Science section in CUET PG exam. Practising this topic will increase your score overall and make your conceptual grip on CUET PG exam stronger.

This article gives you a full set of CUET PG PYQs for Genetics and Plant Breeding with explanations for effective preparation. Practice of CUET PG Agricultural Science PYQs including Genetics and Plant Breeding questions regularly will improve accuracy, speed, and confidence in the CUET PG 2026 exam.

CUET PG PYQs for Genetics and Plant Breeding with Solutions

1.
As per Hardy-Weinberg Law, in a random mating population what is the frequency of \(AA\) genotypes from a cross of \(Aa(2pq)\times Aa(2pq)\)?
- \(2p^2q^2\)
- \(2p^3q\)
- \(p^2q^2\)
- \(2pq^3\)
View Solution
2.
Match the LIST-I with LIST-II. LIST-I: A. Pureline theory, B. Stratified mass selection, C. Ear to row method, D. Progeny test. LIST-II: I. Louis de Vilmorin, II. Hopkins, III. Johannsen, IV. Gardner.
- A-I, B-III, C-II, D-IV
- A-III, B-I, C-IV, D-II
- A-III, B-IV, C-II, D-I
- A-IV, B-III, C-I, D-II
View Solution
3.
Given below are two statements:
Assertion (A): Stigmatic receptivity period does not coincide with pollen viability in monoecious plants which is known as dichogamy.
Reason (R): In dichogamy, self pollination prevented partially in perfect flowered plants due to maturity of sex elements at varied times.
- Both (A) and (R) are correct and (R) is the correct explanation of (A)
- Both (A) and (R) are correct but (R) is not the correct explanation of (A)
- (A) is correct but (R) is not correct
- (A) is not correct but (R) is correct
View Solution
4.
What is the planting ratio for hybrid seed production in brinjal crop? Planting ratio, Male:Female
- \(1:8\)
- \(1:5\)
- \(1:2\)
- \(1:3\)
View Solution
5.
Backcross breeding method is useful for the improvement of:
- Highly heritable traits
- Polygenic traits
- Low heritable traits
- Environmentally influenced traits
View Solution
6.
The failure of fresh seed to germination even under favourable weather conditions is known as
- Secondary dormancy
- Primary dormancy
- Enforced dormancy
- Induced dormancy
View Solution
7.
Semidwarf wheat and rice were developed by the use of
A. Norin 10 (Rht genes), B. Taichung Native 1 (TN 1), C. Norin 10 and Taichung Native 1, D. ppd1, E. ppd2.
- A Only
- B and E Only
- C Only
- D and E Only
View Solution
8.
In which type of natural selection, the phenotypes attain peak:
- Directional
- Saltation
- Disruptive
- Stabilising
View Solution
9.
Parentage of a mango variety Pusa Arunima are
- Neelum \(\times\) Dashehari
- Dashehari \(\times\) Neelum
- Amrapali \(\times\) Sensation
- Ratna \(\times\) Alphonso
View Solution
10.
Arrange the correct sequence of the following classes of seed for a five generation model of vegetable seed production: A. Foundation Seed (Stage-II), B. Breeder Seed, C. Foundation Seed (Stage-I), D. Certified Seed (Stage-II), E. Certified Seed (Stage-I).
- B, C, A, E, D
- A, B, C, D, E
- B, A, C, D, E
- C, D, A, B, E
View Solution
11.
Match the LIST-I with LIST-II. LIST-I: A. Nullisomic, B. Monosomic, C. Trisomic, D. Tetrasomic. LIST-II: I. \(2n+1\), II. \(2n+2\), III. \(2n-2\), IV. \(2n-1\).
- A-II, B-IV, C-I, D-III
- A-I, B-III, C-II, D-IV
- A-III, B-IV, C-I, D-II
- A-I, B-II, C-IV, D-III
View Solution
12.
Which one of the following is a dwarf mutant of papaya having 1 meter plant height evolved by treating the seeds with gamma irradiation?
- Pusa Nanha
- Pusa Majesty
- Pusa Dwarf
- Arka Surya
View Solution
13.
Arrange the following stages in plant breeding programme in correct sequence:
A. Evaluation and selection,
B. Collection of variability,
C. Cross hybridization,
D. Testing, release and commercialization, E. Selection of parents. Choose the correct answer from the options given below:
- B, E, C, A, D
- A, B, C, D, E
- C, B, A, E, D
- E, A, B, C, D
View Solution
14.
Given below are two statements: Assertion (A): Tetrazolium test is conducted to determine the viability of seeds of certain species which germinate slowly or show a high degree of dormancy. Reason (R): In this test, living cells are made visible by reduction of an indicator dye, 2,3,5-triphenyl tetrazolium chloride.
- Both A and R are correct and R is the correct explanation of A
- Both A and R are correct but R is not the correct explanation of A
- A is correct but R is not correct
- A is not correct but R is correct
View Solution
15.
Match the LIST-I with LIST-II. LIST-I: A. Yule, B. Watson & Crick, C. Jacob & Monod, D. Fleming. LIST-II: I. Mitosis, II. Multiple factor hypothesis, III. Double helical structure of DNA, IV. Operon concept.
- A-II, B-III, C-I, D-IV
- A-III, B-IV, C-I, D-II
- A-II, B-III, C-IV, D-I
- A-III, B-I, C-II, D-IV
View Solution

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CUET PG PYQs for Genetics and Plant Breeding with Solutions

1.As per Hardy-Weinberg Law, in a random mating population what is the frequency of \(AA\) genotypes from a cross of \(Aa(2pq)\times Aa(2pq)\)?

2.Match the LIST-I with LIST-II. LIST-I: A. Pureline theory, B. Stratified mass selection, C. Ear to row method, D. Progeny test. LIST-II: I. Louis de Vilmorin, II. Hopkins, III. Johannsen, IV. Gardner.

4.What is the planting ratio for hybrid seed production in brinjal crop? Planting ratio, Male:Female

5.Backcross breeding method is useful for the improvement of:

6.The failure of fresh seed to germination even under favourable weather conditions is known as

7.Semidwarf wheat and rice were developed by the use of A. Norin 10 (Rht genes), B. Taichung Native 1 (TN 1), C. Norin 10 and Taichung Native 1, D. ppd1, E. ppd2.

8.In which type of natural selection, the phenotypes attain peak:

9.Parentage of a mango variety Pusa Arunima are

10.Arrange the correct sequence of the following classes of seed for a five generation model of vegetable seed production: A. Foundation Seed (Stage-II), B. Breeder Seed, C. Foundation Seed (Stage-I), D. Certified Seed (Stage-II), E. Certified Seed (Stage-I).

11.Match the LIST-I with LIST-II. LIST-I: A. Nullisomic, B. Monosomic, C. Trisomic, D. Tetrasomic. LIST-II: I. \(2n+1\), II. \(2n+2\), III. \(2n-2\), IV. \(2n-1\).

12.Which one of the following is a dwarf mutant of papaya having 1 meter plant height evolved by treating the seeds with gamma irradiation?

13.Arrange the following stages in plant breeding programme in correct sequence: A. Evaluation and selection, B. Collection of variability, C. Cross hybridization, D. Testing, release and commercialization, E. Selection of parents. Choose the correct answer from the options given below:

15.Match the LIST-I with LIST-II. LIST-I: A. Yule, B. Watson & Crick, C. Jacob & Monod, D. Fleming. LIST-II: I. Mitosis, II. Multiple factor hypothesis, III. Double helical structure of DNA, IV. Operon concept.

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1.
As per Hardy-Weinberg Law, in a random mating population what is the frequency of \(AA\) genotypes from a cross of \(Aa(2pq)\times Aa(2pq)\)?

2.
Match the LIST-I with LIST-II. LIST-I: A. Pureline theory, B. Stratified mass selection, C. Ear to row method, D. Progeny test. LIST-II: I. Louis de Vilmorin, II. Hopkins, III. Johannsen, IV. Gardner.

4.
What is the planting ratio for hybrid seed production in brinjal crop? Planting ratio, Male:Female

5.
Backcross breeding method is useful for the improvement of:

6.
The failure of fresh seed to germination even under favourable weather conditions is known as

7.
Semidwarf wheat and rice were developed by the use of
A. Norin 10 (Rht genes), B. Taichung Native 1 (TN 1), C. Norin 10 and Taichung Native 1, D. ppd1, E. ppd2.

8.
In which type of natural selection, the phenotypes attain peak:

9.
Parentage of a mango variety Pusa Arunima are

10.
Arrange the correct sequence of the following classes of seed for a five generation model of vegetable seed production: A. Foundation Seed (Stage-II), B. Breeder Seed, C. Foundation Seed (Stage-I), D. Certified Seed (Stage-II), E. Certified Seed (Stage-I).

11.
Match the LIST-I with LIST-II. LIST-I: A. Nullisomic, B. Monosomic, C. Trisomic, D. Tetrasomic. LIST-II: I. \(2n+1\), II. \(2n+2\), III. \(2n-2\), IV. \(2n-1\).

12.
Which one of the following is a dwarf mutant of papaya having 1 meter plant height evolved by treating the seeds with gamma irradiation?

13.
Arrange the following stages in plant breeding programme in correct sequence:
A. Evaluation and selection,
B. Collection of variability,
C. Cross hybridization,
D. Testing, release and commercialization, E. Selection of parents. Choose the correct answer from the options given below:

15.
Match the LIST-I with LIST-II. LIST-I: A. Yule, B. Watson & Crick, C. Jacob & Monod, D. Fleming. LIST-II: I. Mitosis, II. Multiple factor hypothesis, III. Double helical structure of DNA, IV. Operon concept.