BPSC Prelims

2023

General

Bihar Special 16

All Questions 16 Culture 2 Demography 1 Environment 2 Geography 3 Geology 1 History 6 Minerals 1

Computer 1

All Questions 1 Languages 1

Current Affairs 18

All Questions 18 Culture 1 Defence 1 Disaster 1 Economy 2 Environment 3 International 5 National 1 Paleontology 1 Reports 1 Sports 1 Tourism 1

Economy 15

All Questions 15 Banking 1 Budget 1 Currency 1 Demography 1 Energy 1 External Sector 1 Fiscal Policy 1 Globalization 1 Human Capital 1 Industry 1 Inflation 1 Schemes 2 Survey 1 Trade 1

Education 1

All Questions 1 Policy 1

Environment 2

All Questions 2 Biosphere 1 Species 1

General Awareness 3

All Questions 3 International 1 Lifestyle 1 Sports 1

General Science 19

All Questions 19 Biology 5 Chemistry 5 Diseases 2 Physics 7

Geography 14

All Questions 14 Climatology 1 India 2 Minerals 1 Oceanography 1 Physical 5 Rivers 1 Universe 1 World 2

History 30

All Questions 30 Ancient 6 Culture 3 Medieval 6 Modern 13 World History 2

Mental Ability 10

All Questions 10 Classification 2 Coding 2 Direction 1 Distance 1 Missing Number 1 Problem Solving 1 Series 1 Syllogism 1

Polity 14

All Questions 14 Amendment 1 Constitution 3 Emergency 1 Fundamental Rights 1 Judiciary 3 Parliament 1 Parties 1 Rights 1 Schedules 1 States 1

Science & Tech 7

All Questions 7 AI 1 Biology 2 Materials 1 Robotics 1 Space 1 Telecommunication 1

Science & Tech

Biology

EN हिंदी

✕

BPSC Prelims 2023 General 📅 30 Sep, 2023

How do COVID vaccines stimulate an immune response?

A

Live attenuated virus

B

Real virus

C

Harmless piece of virus

D

Antibodies

Result Summary

APEDIA

BPSC Prelims

2023 • 30 Sep, 2023 • General

How do COVID vaccines stimulate an immune response?

Correct Answer

Harmless piece of virus

Mechanism: Most modern COVID vaccines (mRNA, Vector, Subunit) introduce a code or part of the virus (Spike Protein) which is harmless. Response: The body recog......

💡 Analysis & Explanation

Mechanism ▼

Most modern COVID vaccines (mRNA, Vector, Subunit) introduce a code or part of the virus (Spike Protein) which is harmless.

Response ▼

The body recognizes this 'harmless piece' as foreign and builds immunity.

Note ▼

'Live attenuated' is rarely used for COVID (Covaxin is Inactivated, not live; mRNA/Vector are genetic pieces). Option C covers the spike protein logic best.