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#exam practice question

13 public questions tagged with this topic.

Xylem tissue mainly transports:

C fits best: Water and minerals. Keep the BASICS of PLANT basics straight and Water and minerals stands out as the precise answer. Avoid: A) Food; B) Hormones; D) Proteins. Light and flowering items often hinge on which photoreceptor or day-length rule is in play.

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

Which hormone plays a major role in increasing basal metabolic rate?

The correct answer is C: Thyroxine. 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 Thyroxine does in Thermoregulation. That is why Thyroxine 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 Thyroxine.

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.

Hypothalamus and pituitary together function as the:

Answer: C) Command center of endocrine system. For Endocrinology, once you lock onto the key mechanism or definition, Command center of endocrine system is the clear fit. If you restate the concept in your own words, the functional job described in the stem is exactly what Command center of endocrine system does in Endocrinology. So Command center of endocrine system 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.

Hormone‑receptor complex of steroid hormones primarily regulates:

Answer: C) Gene transcription. For Endocrinology, once you lock onto the key mechanism or definition, Gene transcription is the clear fit. If you restate the concept in your own words, the functional job described in the stem is exactly what Gene transcription does in Endocrinology. So Gene transcription 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 Gene transcription from memory, then reveal the letter — that habit builds real recall for Endocrinology.

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.

Exhaustion stage of stress occurs due to:

The correct answer is B: Depletion of body resources. In Endocrinology, this idea is central because it matches how the body actually works in everyday teaching examples. Put simply, cause and effect line up with Depletion of body resources — that is the mechanism or reason the stem is pointing to. That is why Depletion of body resources 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.

Fight-or-flight response is mediated mainly by:

Sympathetic system (B) is the right choice. This sits at the heart of Endocrinology: 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: the functional job described in the stem is exactly what Sympathetic system does in Endocrinology. That reasoning supports Sympathetic system. 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 Sympathetic system from memory, then reveal the letter — that habit builds real recall for Endocrinology.

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.

Subarachnoid hemorrhage involves bleeding into:

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

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.

Hyperprolactinemia mainly affects:

Answer: B) Fertility and reproduction. For Endocrinology, once you lock onto the key mechanism or definition, Fertility and reproduction is the clear fit. If you restate the concept in your own words, the functional job described in the stem is exactly what Fertility and reproduction does in Endocrinology. So Fertility and reproduction 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.

Moon face, buffalo hump and purple striae are typical of:

Answer: B) Cushing syndrome. For Endocrinology, once you lock onto the key mechanism or definition, Cushing syndrome is the clear fit. If you restate the concept in your own words, Cushing syndrome is the option that correctly names the structure, process, or principle asked for in Endocrinology. So Cushing syndrome 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 Cushing syndrome from memory, then reveal the letter — that habit builds real recall for Endocrinology.

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.

Excess growth hormone secretion in adults leads to:

The correct answer is C: Acromegaly. In Endocrinology, this idea is central because it matches how the body actually works in everyday teaching examples. Put simply, Acromegaly is the option that correctly names the structure, process, or principle asked for in Endocrinology. That is why Acromegaly 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.

Female voice generally shows higher pitch because of:

Go with C — Higher vocal fold tension. Within Sensory System Ear Physiology, that statement lines up with the standard definition and the usual exam wording you’ll see. In plain terms, cause and effect line up with Higher vocal fold tension — that is the mechanism or reason the stem is pointing to. Holding that picture in mind makes Higher vocal fold tension 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 Higher vocal fold tension.

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.

Male voice generally has frequency range of:

85–180 Hz (C) is the right choice. This sits at the heart of Sensory System Ear 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: 85–180 Hz is the option that correctly names the structure, process, or principle asked for in Sensory System Ear Physiology. That reasoning supports 85–180 Hz. 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 85–180 Hz from memory, then reveal the letter — that habit builds real recall for Sensory System Ear 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.