WBJEE PYQs for Plant Growth Regulators with Solutions: Practice WBJEE Previous Year Questions

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Yashodeep Mahurkar

Updated on - Dec 31, 2025

Plant Growth Regulators is an important topic in the Biology section in WBJEE exam. Practising this topic will increase your score overall and make your conceptual grip on WBJEE exam stronger.

This article gives you a full set of WBJEE PYQs for Plant Growth Regulators with explanations for effective preparation. Practice of WBJEE Biology PYQs including Plant Growth Regulators questions regularly will improve accuracy, speed, and confidence in the WBJEE 2026 exam.

WBJEE PYQs for Plant Growth Regulators with Solutions

1.
Climacteric is
- a phenomenon related to fruit ripening
- the condition of a plant when all its fruits are almost ripe
- the condition of a plant when most of its leaves have turned yellow
- none of the above
View Solution
2.
The discovery of gibberellins is related with one of the following
- blast disease of rice
- rust disease of wheat
- bakane disease of rice
- early blight disease of potato
View Solution
3.
Name of a gaseous plant hormone is
- IAA
- gibberellin
- ethylene
- abscisic acid
View Solution
4.
Ethyleneisa
- gaseous hormone
- gaseous enzyme
- liquid - gas mixture
- solid hormone
View Solution

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WBJEE PYQs for Plant Growth Regulators with Solutions

1.Climacteric is

2.The discovery of gibberellins is related with one of the following

3.Name of a gaseous plant hormone is

4.Ethyleneisa

Fees Structure

Structure based on different categories

Comments

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1.
Climacteric is

2.
The discovery of gibberellins is related with one of the following

3.
Name of a gaseous plant hormone is

4.
Ethyleneisa