#physiology practice question

Thermoregulation

Evaporative heat loss occurs mainly due to:

The correct answer is B: Sweating. In Thermoregulation, this idea is central because it matches how the body actually works in everyday teaching examples. Put simply, the functional job described in the stem is exactly what Sweating does in Thermoregulation. That is why Sweating is the option that holds up when you check it against basic physiology. When you revise, say the answer out loud with one short reason attached; that sticks better than rote lists. Remember that physiology questions reward precise language: name the process, the location, and the outcome, then match that to the option text. A short mental diagram helps — start from stimulus or structure, follow the pathway, and stop at the functional result described by Sweating.

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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Thermoregulation

Major route of heat loss at moderate environmental temperature is:

Answer: C) Radiation. For Thermoregulation, once you lock onto the key mechanism or definition, Radiation is the clear fit. If you restate the concept in your own words, Radiation is the option that correctly names the structure, process, or principle asked for in Thermoregulation. So Radiation is the clean, accurate selection. If a similar stem appears later, start from the same core fact and you will land on the same kind of answer. In class notes, highlight this same phrase next to the related diagram so the wording and the picture reinforce each other. When you practise, cover the choices first, write Radiation from memory, then reveal the letter — that habit builds real recall for Thermoregulation.

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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Thermoregulation

Shivering produces heat primarily through:

Go with B — Rapid muscle contractions. Within Thermoregulation, that statement lines up with the standard definition and the usual exam wording you’ll see. In plain terms, the functional job described in the stem is exactly what Rapid muscle contractions does in Thermoregulation. Holding that picture in mind makes Rapid muscle contractions 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 Rapid muscle contractions.

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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Thermoregulation

Which receptors detect temperatures below body temperature?

Correct option is B, Cold receptors. In Thermoregulation, the accurate description is Cold receptors, and that is what you should commit to memory. Keep the definition tight and the role clear — Cold receptors is the option that correctly names the structure, process, or principle asked for in Thermoregulation. Then Cold receptors 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 Cold receptors. 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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Thermoregulation

Children usually have body temperature that is:

Correct option is C, 0.5°C higher. In Thermoregulation, the accurate description is 0.5°C higher, and that is what you should commit to memory. Keep the definition tight and the role clear — 0.5°C higher is the option that correctly names the structure, process, or principle asked for in Thermoregulation. Then 0.5°C higher 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 0.5°C higher. 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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Thermoregulation

Rectal temperature is approximately how much higher than core temperature?

Pick B: 0.5°C. Thinking about Thermoregulation in a practical way — what the structure does, or what the process achieves — leads you here. Clinically and academically, the same logic shows up again and again: 0.5°C is the option that correctly names the structure, process, or principle asked for in Thermoregulation. Hence 0.5°C is correct. Treat this as a building block for the rest of Thermoregulation; neighbouring topics often reuse the same principle. Keep a one-line summary card for this idea and revisit it before the paper; short, repeated review beats long cramming sessions. If the wording feels dense, translate it into everyday language first, then map that plain sentence back onto 0.5°C.

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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Thermoregulation

Body temperature shows circadian rhythm with lowest value around:

Correct option is C, 5:00 AM. In Thermoregulation, the accurate description is 5:00 AM, and that is what you should commit to memory. Keep the definition tight and the role clear — 5:00 AM is the option that correctly names the structure, process, or principle asked for in Thermoregulation. Then 5:00 AM 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 5:00 AM. 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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Thermoregulation

Skin temperature differs from core temperature because it:

Correct option is C, Changes with environment. In Thermoregulation, the accurate description is Changes with environment, and that is what you should commit to memory. Keep the definition tight and the role clear — cause and effect line up with Changes with environment — that is the mechanism or reason the stem is pointing to. Then Changes with environment 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 Changes with environment.

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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Thermoregulation

Cold-blooded animals rely on which factor to regulate body temperature?

Correct option is C, External environment. In Thermoregulation, the accurate description is External environment, and that is what you should commit to memory. Keep the definition tight and the role clear — External environment is the option that correctly names the structure, process, or principle asked for in Thermoregulation. Then External environment 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 External environment. 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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Thermoregulation

Which response is initiated during exposure to high temperature?

Sweating (C) is the right choice. This sits at the heart of Thermoregulation: 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: Sweating is the option that correctly names the structure, process, or principle asked for in Thermoregulation. That reasoning supports Sweating. 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 Sweating from memory, then reveal the letter — that habit builds real recall for Thermoregulation.

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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Thermoregulation

The primary thermoregulatory center of the human body is located in the:

Answer: C) Hypothalamus. For Thermoregulation, once you lock onto the key mechanism or definition, Hypothalamus is the clear fit. If you restate the concept in your own words, location matters here: Hypothalamus is the structure or site that matches the description. So Hypothalamus is the clean, accurate selection. If a similar stem appears later, start from the same core fact and you will land on the same kind of answer. In class notes, highlight this same phrase next to the related diagram so the wording and the picture reinforce each other. When you practise, cover the choices first, write Hypothalamus from memory, then reveal the letter — that habit builds real recall for Thermoregulation.

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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Reproductive System

Inhibin specifically inhibits secretion of:

FSH (B) is the right choice. This sits at the heart of Reproductive System: 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: FSH is the option that correctly names the structure, process, or principle asked for in Reproductive System. That reasoning supports FSH. 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 FSH from memory, then reveal the letter — that habit builds real recall for Reproductive System.

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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