NEET · Biology · Photosynthesis in Higher Plants doubts
12 doubts found
What does “Light reactions” actually mean in Photosynthesis in Higher Plants, and why does it matter for NEET?
occur in the thylakoid membranes, using light to make ATP and NADPH and releasing O₂ by splitting water.
I keep getting “Light reactions” questions wrong in Photosynthesis in Higher Plants. What's the trap?
thinking the released oxygen comes from carbon dioxide.
What does “Calvin cycle (dark reaction)” actually mean in Photosynthesis in Higher Plants, and why does it matter for NEET?
occurs in the stroma, fixing CO₂ into sugar using the ATP and NADPH from the light reactions.
I keep getting “Calvin cycle (dark reaction)” questions wrong in Photosynthesis in Higher Plants. What's the trap?
thinking the 'dark reaction' happens only at night.
What does “Chlorophyll” actually mean in Photosynthesis in Higher Plants, and why does it matter for NEET?
the green pigment that absorbs mainly red and blue light and reflects green.
I keep getting “Chlorophyll” questions wrong in Photosynthesis in Higher Plants. What's the trap?
thinking plants absorb green light for photosynthesis.
What is the difference between light reaction and dark reaction?
The light reaction (thylakoid) needs light and makes ATP/NADPH + O₂; the dark reaction (stroma) fixes CO₂ into sugar using those products.
What is the difference between C3 plants and C4 plants?
C3 plants fix CO₂ directly via the Calvin cycle; C4 plants (like maize) first fix it into a 4-carbon acid, making them more efficient in heat.
What is the difference between photosynthesis and respiration?
Photosynthesis stores energy by making glucose and releasing O₂; respiration releases that energy by breaking glucose and using O₂.
How is Photosynthesis in Higher Plants tested in NEET, and what should I focus on?
Prioritise the core ideas: Light reactions, Calvin cycle (dark reaction), Chlorophyll.
What are the most common mistakes students make in Photosynthesis in Higher Plants?
the O₂ released in photosynthesis comes from the photolysis of water, not from carbon dioxide.
How do I revise Photosynthesis in Higher Plants quickly before the exam?
One-page summary of Light reactions, Calvin cycle (dark reaction), Chlorophyll, then timed previous-year questions.