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#vision physiology practice question

3 public questions tagged with this topic.

Sensory System Eye Physiology

Accommodation for near vision involves lens becoming:

More rounded (B) is the right choice. This sits at the heart of Sensory System Eye Physiology: the wording points straight to what is happening in the tissue or organ system. A useful study habit is to ask what the structure or process is for: More rounded is the option that correctly names the structure, process, or principle asked for in Sensory System Eye Physiology. That reasoning supports More rounded. One solid sentence about why this works is enough for recall — you do not need a long essay for every MCQ. When you practise, cover the choices first, write More rounded from memory, then reveal the letter — that habit builds real recall for Sensory System Eye Physiology.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Sensory System Eye Physiology

Photopigment present in rod cells is:

Go with C — Rhodopsin. Within Sensory System Eye Physiology, that statement lines up with the standard definition and the usual exam wording you’ll see. In plain terms, location matters here: Rhodopsin is the structure or site that matches the description. Holding that picture in mind makes Rhodopsin feel natural rather than something you only memorise. Link the term to a real body example (organ, tissue, or ion flow) so the idea stays concrete under exam pressure. A short mental diagram helps — start from stimulus or structure, follow the pathway, and stop at the functional result described by Rhodopsin. In class notes, highlight this same phrase next to the related diagram so the wording and the picture reinforce each other.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Sensory System Eye Physiology

Which part of eye regulates amount of light entering the eye?

Correct option is C, Iris. In Sensory System Eye Physiology, the accurate description is Iris, and that is what you should commit to memory. Keep the definition tight and the role clear — Iris is the option that correctly names the structure, process, or principle asked for in Sensory System Eye Physiology. Then Iris is the answer you can defend. Check yourself by covering the options and writing the answer first, then matching the letter — that builds confidence. If the wording feels dense, translate it into everyday language first, then map that plain sentence back onto Iris. Remember that physiology questions reward precise language: name the process, the location, and the outcome, then match that to the option text.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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