#histamine

ZOOLOGY

Which of the following statements about histamine is incorrect?

Histamine does not reduce inflammation; instead, it promotes inflammation by causing blood vessels to dilate. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Zoology section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Zoology portion (Latest NCERT Textbooks for Academic Session 2026-27 - Rationalized Edition for Class XI and XII), Topic: Structural organization, physiology, human health and related concepts as per latest syllabus.

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ZOOLOGY

Which of the following statements about histamine is correct?

Histamine is released by mast lls during allergic reactions and causes inflammation. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function.

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ZOOLOGY

Which of the following statements about histamine is incorrect?

Histamine does not inhibit inflammation; instead, it promotes inflammation and allergic responses. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function.

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Drugs and Alcohol Abuse - Opioids Cannabinoids Cocaine Adolescence

Which of the following statements about histamine is correct?

Histamine is released by mast cells during allergic reactions, leading to inflammation and other symptoms.

Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Drugs and Alcohol Abuse - Opioids Cannabinoids Cocaine Adolescence

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Drugs and Alcohol Abuse - Opioids Cannabinoids Cocaine Adolescence

Which of the following statements about histamine is incorrect?

Histamine does not reduce inflammation; instead, it promotes inflammation by causing blood vessels to dilate.

Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Drugs and Alcohol Abuse - Opioids Cannabinoids Cocaine Adolescence

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Drugs and Alcohol Abuse - Opioids Cannabinoids Cocaine Adolescence

What is the primary function of histamine in allergic reactions?

Histamine is released from mast cells during allergic reactions, leading to vasodilation and increased vascular permeability.

Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Drugs and Alcohol Abuse - Opioids Cannabinoids Cocaine Adolescence

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Drugs and Alcohol Abuse - Opioids Cannabinoids Cocaine Adolescence

Which of the following substances is released by mast cells during an allergic reaction?

Histamine is released by mast cells during allergic reactions, leading to symptoms like swelling and itching.

Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Drugs and Alcohol Abuse - Opioids Cannabinoids Cocaine Adolescence

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Drugs and Alcohol Abuse - Opioids Cannabinoids Cocaine Adolescence

Which of the following statements about histamine is incorrect?

Histamine does not reduce inflammation; instead, it promotes inflammation and allergic responses.

Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Drugs and Alcohol Abuse - Opioids Cannabinoids Cocaine Adolescence

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Immune System - Lymphoid Organs Cells Antibodies - CMI HMI

Which of the following statements about histamine is correct?

Histamine is released by mast cells during allergic reactions and contributes to inflammation.

Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immune System - Lymphoid Organs Cells Antibodies - CMI HMI

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Immune System - Lymphoid Organs Cells Antibodies - CMI HMI

Which immune cells are responsible for producing histamine in allergic reactions?

Mast cells release histamine, which causes inflammation and other allergic symptoms.

Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immune System - Lymphoid Organs Cells Antibodies - CMI HMI

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Immune System - Lymphoid Organs Cells Antibodies - CMI HMI

Which of the following statements about mast cells is correct?

Mast cells release histamine, which plays a key role in allergic reactions and inflammation.

Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Immune System - Lymphoid Organs Cells Antibodies - CMI HMI

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Common Diseases - Helminthic and Fungal - Ascariasis Filariasis Ringworm

Which of the following cells release histamine during an allergic reaction?

Mast cells release histamine, leading to symptoms of allergic reactions such as inflammation and itching.

Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Common Diseases - Helminthic and Fungal - Ascariasis Filariasis Ringworm

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