Draw a well-labelled diagram of an antibody molecule.
Solution and Explanation
An antibody molecule consists of four peptide chains, comprising two shorter chains known as light chains and two extended chains referred to as heavy chains.
Top Questions on Human health and disease
- Define AIDS, its causative agent, and methods of prevention.
- HBSE Class 12 - 2026
- Biology
- Human health and disease
- What is Innate Immunity? Differentiate between active and passive immunity.
- HBSE Class 12 - 2026
- Biology
- Human health and disease
- ICSE Class XII - 2026
- Biology
- Human health and disease
Study the chemical structure of an addictive drug shown below and answer the questions that follow.
- ICSE Class XII - 2026
- Biology
- Human health and disease
- Plasmodium is a digenetic parasite, completing its life cycle in humans and mosquitoes. In humans, it completes different parts of its life cycle in the liver and RBCs.
Draw a flow chart to outline its erythrocytic cycle in, humans.
- ICSE Class XII - 2026
- Biology
- Human health and disease
Questions Asked in CBSE CLASS XII exam
In an economy, the currency held by the public, Net Demand Deposits with Commercial Banks and Net Time Deposits with Commercial Banks stand at ₹ 1,42,000 crore, ₹ 22,000 crore and ₹ 86,000 crore respectively. The value of Money Supply (M1) would be ₹ _______ crore.
- CBSE CLASS XII - 2026
- Money and Banking
In an economy, when __________ is insufficient to achieve the level of output corresponding to the full employment, the difference is termed a deflationary gap.
- CBSE CLASS XII - 2026
- Income and Expenditure Account
In an economy, exclusion of _______ may lead to under estimation of the value of Gross Domestic Product (GDP).
- CBSE CLASS XII - 2026
- National Income Accounting
“In the Indian Banking System, the Statutory Liquidity Ratio (SLR) plays a vital role in controlling the credit creation capacity of the Commercial Banks, as it _______”
- CBSE CLASS XII - 2026
- National Income Accounting
In a two sector economy, the flow of factor payments moves from ________ to _________.
- CBSE CLASS XII - 2026
- Foreign exchange market
Concepts Used:
HIV and AIDS
What Is HIV?
HIV is a virus that attacks cells that help the body to fight infection and making a person more vulnerable to other infections and diseases. It is spread by contact with certain bodily fluids of a person with HIV. It is most commonly during the unprotected sex or when share injection or drugs equipment.
What Is AIDS?
It is the late stage of HIV infection that occurs when the body’s immune system is badly damaged because of the virus.