NEET UG · Biology · Principles of Inheritance and Variation
True-Breeding Lines
NEET asked True-Breeding Lines once in 2017–2026, in 2020. It belongs to Mendelian Inheritance, in Principles of Inheritance and Variation (Biology).
Updated 2026-10-08
- Times asked
- 1
- in 2017–2026
- Papers
- 1
- of 10
- First asked
- 2020
- the only time
- Chance next paper
- 4%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2020.
How NEET framed it
One-line MCQ is the usual form. Skill tested: recall.
- Definition recall on mendel's experiments
Chance asked next paper 4%
Every question
The question
From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.
- 2020 Q61How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits ?One-line MCQ · Easy
Papers: NEET 2020.
Same topic
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- ABO Blood Group Inheritance3× · 2026
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- Mendel's Seven Contrasting Traits2× · 2022
- Monohybrid Punnett Square2× · 2021
- Mendel's Seven Contrasting Traitsonce · 2026
- Back Cross vs Test Crossonce · 2024
- Examples of Incomplete Dominanceonce · 2024
- Law of Dominance Postulatesonce · 2024
- Test Cross Applicationonce · 2024
- Pleiotropyonce · 2023
- Incomplete Dominanceonce · 2019
- Inventor of the Punnett Squareonce · 2018