NEET PYQs for Do Plants Breathe? with Solutions: Practice NEET Previous Year Questions

Updated on - Jan 19, 2026

Do Plants Breathe? is an important topic in the Biology section in NEET exam. Practising this topic will increase your score overall and make your conceptual grip on NEET exam stronger.

This article gives you a full set of NEET PYQs for Do Plants Breathe? with explanations for effective preparation. Practice of NEET Biology PYQs including Do Plants Breathe? questions regularly will improve accuracy, speed, and confidence in the NEET 2026 exam.

NEET PYQs for Do Plants Breathe? with Solutions

1.
Stomata in grass leaf are
- Dumb-bell shaped
- Rectangular
- Kidney shaped
- Barrel shaped
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2.
What is the role of NAD⁺ in cellular respiration ?
- It functions as an enzyme.
- It is a nucleotide source for ATP synthesis.
- It functions as an electron carrier.
- It is the final electron acceptor for anaerobic respiration.
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3.
Stomatal movement is not affected by
- Temperature
- O₂ concentration
- Light
- CO₂ concentration
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4.
Which of the following factors are favourable for the formation of oxyhaemoglobin in alveoli ?
- High pO₂ and High pCO₂
- High pO₂ and Lesser H⁺ concentration
- Low pCO₂ and High H⁺ concentration
- Low pCO₂ and High temperature
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5.
Ciliates differ from all other protozoans in
- using flagella for locomotion
- using pseudopodia for capturing prey
- having a contractile vacuole for removing excess water
- having two types of nuclei
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6.
In which of the following forms is iron absorbed by plants ?
- Ferric
- Free element
- Ferrous
- Both ferric and ferrous
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7.
In light reaction, plastoquinone facilitates the transfer of electrons from:
- \(PS-II \)to \(Cytb_6f\) complex
- \(Cytb_6f\) complex to \( PS-I \)
- \(PS-I to NADP+\)
- \(PS-I to ATP\) synthase
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