CUET PG PYQs for Plant Biotechnology with Solutions: Practice CUET PG Previous Year Questions

Content Writer | Journalism Graduate | Updated 3+ months ago

Plant Biotechnology is an important topic in the Plant Biotechnology 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 Plant Biotechnology with explanations for effective preparation. Practice of CUET PG Plant Biotechnology PYQs including Plant Biotechnology questions regularly will improve accuracy, speed, and confidence in the CUET PG 2026 exam.

CUET PG PYQs for Plant Biotechnology with Solutions

1.
Match List - I with List - II.

Choose the correct answer from the options given below:
- A-I, B-II, C-IV, D-III
- A-II, B-IV, C-III, D-I
- A-IV, B-III, C-II, D-I
- A-IV, B-II, C-I, D-III
View Solution
2.
Find the correct order for the conversion of organic form of nitrogen into inorganic form by soil microorganisms.
A. Formation of nitrites
B. Formation of ammonia
C. Formation of free nitrogen
D. Formation of nitrates
Choose the correct answer from the options given below:
- B, C, D, A
- C, D, A, B
- D, A, B, C
- B, A, D, C
View Solution
3.
Which factors do show considerable influence on the activity of nitrogenase enzyme during $N_{2}$ fixation?
A. Molybdenum
B. Molecular $H_{2}$
C. Boron
D. Leghemoglobin
Choose the correct answer from the options given below:
- A, C and D only
- B, C and D only
- C, B and A only
- D, A and B only
View Solution
4.
Which is not a free-living asymbiotic nitrogen fixation microorganism?
- Rhodospirillum
- Rhizobium
- Nostoc
- Anabaena
View Solution
5.
Nitrogen-fixing bacteria convert atmospheric nitrogen into which product?
- ${NO_{3}}^{-}$
- $NO_{2}$
- Amino acids
- $NH_{4}^{+}$
View Solution
6.
Which are the symbiotic nitrogen-fixing bio-fertillizers?
A. Rhizobium
B. Azotobacter
C. Azospirillum
D. Azollae
Choose the correct answer from the options given below:
- A and C only
- B and D only
- C and B only
- D and A only
View Solution
7.
The conversion of ammonia or ammonium ions to nitrite followed by its oxidation to nitrate is called as:
- Denitrification
- Nitrogen assimilation
- Nitrification
- Nitrogenation
View Solution
8.
Mention the correct sequence of the formation of compounds during biological nitrogen fixation.
A. Hydrazine
B. Nitrogen
C. Ammonia
D. Diamide
Choose the correct answer from the options given below:
- A, D, C, B
- C, D, A, B
- D, A, B, C
- B, D, A, C
View Solution
9.
Which is the common ingredient used to form the base of solid media in plant tissue culture?
- Agar
- Agarose
- Sucrose
- Inorganic salts
View Solution
10.
Match List - I with List - II.
Choose the correct answer from the options given below :
- A-IV, B-II, C-I, D-III
- A-II, B-IV, C-III, D-I
- A-IV, B-III, C-I, D-II
- A-II, B-IV, C-I, D-III
View Solution
11.
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Uptake of hydrogenase activity is a mechanism of removing hydrogen from the site of nitrogen activity which concurrently carries out reactions of nitrogen fixation and hydrogen production.
Reason (R): Acetylene reduction technique is a common method of measuring nitrogenase activity.
- 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
12.
Who is the Father of plant tissue culture?
- Gottlieb Haberlandt
- Herbert Boyer
- Paul Berg
- Kary Mullis
View Solution
13.
Which of the following is not a phosphate solubilizing microorganism?
- Bacillus sp.
- Penicillium sp.
- Aspergillus sp.
- Frankia sp.
View Solution
14.
Which of the soil bacteria convert ammonium into nitrite?
- Nitrogen-fixing bacteria
- Nitrifying bacteria
- Denitrifying bacteria
- Ammonifying bacteria
View Solution
15.
Match List - I with List - II.
Choose the correct answer from the options given below :
- A-II, B-I, C-IV, D-III
- A-II, B-IV, C-III, D-I
- A-IV, B-III, C-I, D-II
- A-II, B-IV, C-I, D-III
View Solution

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CUET PG PYQs for Plant Biotechnology with Solutions

1.Match List - I with List - II. Choose the correct answer from the options given below:

2.Find the correct order for the conversion of organic form of nitrogen into inorganic form by soil microorganisms. A. Formation of nitrites B. Formation of ammonia C. Formation of free nitrogen D. Formation of nitrates Choose the correct answer from the options given below:

3.Which factors do show considerable influence on the activity of nitrogenase enzyme during $N_{2}$ fixation? A. Molybdenum B. Molecular $H_{2}$ C. Boron D. Leghemoglobin Choose the correct answer from the options given below:

4.Which is not a free-living asymbiotic nitrogen fixation microorganism?

5.Nitrogen-fixing bacteria convert atmospheric nitrogen into which product?

6.Which are the symbiotic nitrogen-fixing bio-fertillizers? A. Rhizobium B. Azotobacter C. Azospirillum D. Azollae Choose the correct answer from the options given below:

7.The conversion of ammonia or ammonium ions to nitrite followed by its oxidation to nitrate is called as:

8.Mention the correct sequence of the formation of compounds during biological nitrogen fixation. A. Hydrazine B. Nitrogen C. Ammonia D. Diamide Choose the correct answer from the options given below:

9.Which is the common ingredient used to form the base of solid media in plant tissue culture?

10.Match List - I with List - II. Choose the correct answer from the options given below :

12.Who is the Father of plant tissue culture?

13.Which of the following is not a phosphate solubilizing microorganism?

14.Which of the soil bacteria convert ammonium into nitrite?

15.Match List - I with List - II. Choose the correct answer from the options given below :

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1.
Match List - I with List - II.

Choose the correct answer from the options given below:

2.
Find the correct order for the conversion of organic form of nitrogen into inorganic form by soil microorganisms.
A. Formation of nitrites
B. Formation of ammonia
C. Formation of free nitrogen
D. Formation of nitrates
Choose the correct answer from the options given below:

3.
Which factors do show considerable influence on the activity of nitrogenase enzyme during $N_{2}$ fixation?
A. Molybdenum
B. Molecular $H_{2}$
C. Boron
D. Leghemoglobin
Choose the correct answer from the options given below:

4.
Which is not a free-living asymbiotic nitrogen fixation microorganism?

5.
Nitrogen-fixing bacteria convert atmospheric nitrogen into which product?

6.
Which are the symbiotic nitrogen-fixing bio-fertillizers?
A. Rhizobium
B. Azotobacter
C. Azospirillum
D. Azollae
Choose the correct answer from the options given below:

7.
The conversion of ammonia or ammonium ions to nitrite followed by its oxidation to nitrate is called as:

8.
Mention the correct sequence of the formation of compounds during biological nitrogen fixation.
A. Hydrazine
B. Nitrogen
C. Ammonia
D. Diamide
Choose the correct answer from the options given below:

9.
Which is the common ingredient used to form the base of solid media in plant tissue culture?

10.
Match List - I with List - II.
Choose the correct answer from the options given below :

12.
Who is the Father of plant tissue culture?

13.
Which of the following is not a phosphate solubilizing microorganism?

14.
Which of the soil bacteria convert ammonium into nitrite?

15.
Match List - I with List - II.
Choose the correct answer from the options given below :