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#exam revision

7 public questions tagged with this topic.

Main sugar transported through phloem is:

Correct option is C, Sucrose. In BASICS of PLANT problems like this, the accurate statement is Sucrose; the others are common mix-ups. Not these: A) Glucose; B) Fructose; D) Starch. Tissue transport questions usually turn on xylem vs phloem, living vs dead cells, or source vs sink.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

Xylem is primarily composed of:

The right choice is B: Dead cells. In BASICS of PLANT, that matches how the process or concept actually works — the other choices mix up related ideas or use the wrong mechanism. Skip these: A) Living cells; C) Meristematic cells; D) Secretory cells. A quick check: if an option needs energy, pumps, or the opposite direction of movement, ask whether that really applies.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

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.

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.

Third heart sound (S3) is associated with:

Answer: B) Rapid ventricular filling. For Cardiac Cycle and Regulation, once you lock onto the key mechanism or definition, Rapid ventricular filling is the clear fit. If you restate the concept in your own words, Rapid ventricular filling is the option that correctly names the structure, process, or principle asked for in Cardiac Cycle and Regulation. So Rapid ventricular filling 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.

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.

Autonomic nervous system usually has:

The correct answer is B: Two-neuron pathway. In Peripheral Nervous System, this idea is central because it matches how the body actually works in everyday teaching examples. Put simply, Two-neuron pathway is the option that correctly names the structure, process, or principle asked for in Peripheral Nervous System. That is why Two-neuron pathway 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.

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.