12th Standard Syllabus & Materials

12th Standard

TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A

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TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A

12th Standard Biology English Medium Zoology - Immunology 1 Mark Book Back Question Paper and Answer Key 2022 - 2023

Published on: 30/08/2022

QB365 provides a detailed and simple solution for every Possible Book Back Questions in Class 12 Biology Subject - Zoology - Immunology, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.

Download Tamil Nadu 12th Standard Biology question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

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chapter: - Model Question paper

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Questions:

Multiple Choice Question

14 x 1 = 14

Raja is injured and got swelling. The swelling is due to the infection of tissue is an example of

(a)

Mechanical barrier

(b)

Physiological barrier

(c)

Phagocytosis

(d)

Inflammation

B cells that produce and release large amounts of antibody are called

(a)

Memory cells

(b)

Basophils

(c)

Plasma cells

(d)

killer cells

In agglutination and precipitation reactions, the antigen is a ______ and ______ respectively

(a)

Whole cell/soluble molecule

(b)

Soluble molecule/whole cell

(c)

Bacterium/virus

(d)

Protein/Antibody

B Cells are activated by

(a)

Complement

(b)

Antibody

(c)

Interferon

(d)

Antigen

Cell mediated iriununity is carried out by _______ while humoral immunity is mainly carried out by

(a)

B cells/T cells

(b)

Epitopes/antigens

(c)

T cells/B cells

(d)

antibodies/antigens

True about interferon is that

(a)

It is synthetic antiviral agent

(b)

It inhibits viral replication in cells

(c)

It is specific for a particular virus

(d)

It causes infection

Which is not a macrophage?

(a)

Monocyte

(b)

Microglia

(c)

Kupffer cell

(d)

Lymphocyte

All are peripheral lymphoid organs except

(a)

Lymph nodes

(b)

Spleen

(c)

Mucosa associated lymphoid tissue

(d)

Thymus

AIDS virus has

(a)

Single stranded RNA

(b)

Double stranded RNA

(c)

Single stranded DNA

(d)

Double stranded DNA

10.

Spread of cancerous cells to distant sites is termed as

(a)

Metastasis

(b)

Oncogenes

(c)

Proto-oncogenes

(d)

Malignant neoplasm

11.

Anaphylactic shock is due to

(a)

Allergic reaction

(b)

Secretion of toxins

(c)

Secretion of histamines

(d)

All the above

12.

Allergy involves

(a)

IgE

(b)

IgG

(c)

IgA

(d)

IgM

13.

Paratope is an

(a)

Antibody binding site on variable regions

(b)

Antibody binding site on heavy regions

(c)

Antigen binding site on variable regions

(d)

Antigen binding site on heavy regions

14.

Colostrum provides

(a)

Naturally acquired active immunity

(b)

Naturally acquired passive immunity

(c)

Artificially acquired active immunity

(d)

Artificially acquired passive immunity

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Answers Key:

Multiple Choice Question

14 x 1 = 14

(d)
Inflammation

(a)
Whole cell/soluble molecule

(d)
Antigen

(b)
It inhibits viral replication in cells

(b)
Microglia

(d)
Thymus

(a)
Single stranded RNA

10.

(a)
Metastasis

11.

(d)
All the above

12.

(a)
IgE

13.

14.

(b)
Naturally acquired passive immunity

12th Standard Syllabus & Materials

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NEW MCQ Practice Test - Tamilnadu Stateboard Class 12

Biology Tamilnadu Stateboard Class 12 MCQ Practice Test

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Biology Tamilnadu Stateboard Class 12 MCQ Practice Tests

Tamilnadu Stateboard Class 12 MCQ Practice Test

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12th Standard Study Materials

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