12th Standard Syllabus & Materials
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TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
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Published on: 05/11/2020
12th Standard Zoology - Immunology English Medium Free Online Test One Mark Questions 2020 - 2021
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.
Questions + Answers key
Take MCQ Biology Test1.
The ______ may disappear by adulthood.
Tonsils
Peyer's patches
Adenoids
Spleen
2.
______ is not a auto immune disease.
Rheumatoid arthritis
Multiple sclerosis
Allergy
Addison's disease
3.
______ is a second generation vaccine.
Polio
MMR
Hepatitis B
DPT
4.
Choose the wrong option
Lymphocytes are a type of WBC
They form 20-30% of WBC
The B lymphocytes leave the bone marrow before maturity
B Cells can form memory cells.
5.
This statement about the thymus which is not true.
It is located above the lungs
It has numerous lobules
The thymus begins to atrophy by early teens
It contains T cells
6.
Passive immunity does not exhibit this characteristic.
No memory
Very effective in protection
Immediate Immunity
No active host participation
7.
B cells that produce and release large amounts of antibody are called
Memory cells
Basophils
Plasma cells
killer cells
8.
9.
All are peripheral lymphoid organs except
Lymph nodes
Spleen
Mucosa associated lymphoid tissue
Thymus
10.
Colostrum provides
Naturally acquired active immunity
Naturally acquired passive immunity
Artificially acquired active immunity
Artificially acquired passive immunity
1.
(c)
Adenoids
2.
(c)
Allergy
3.
(c)
Hepatitis B
4.
(c)
The B lymphocytes leave the bone marrow before maturity
5.
(a)
It is located above the lungs
6.
(b)
Very effective in protection
7.
(c)
Plasma cells
8.
(d)
9.
(d)
Thymus
10.
(b)
Naturally acquired passive immunity
12th Standard Syllabus & Materials
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Tamilnadu Stateboard 12th Standard Subjects
Maths
Chemistry
Physics
Biology
Computer Science
Business Maths and Statistics
Economics
Commerce
Accountancy
History
Computer Applications
Biology
Computer Technology
Computer Applications
Computer Science
Business Maths and Statistics
Commerce
Economics
Maths
Chemistry
Physics
Computer Technology
History
Accountancy
Tamil
English
French
Tamilnadu Stateboard Standards
