The bouncing back of sound waves from a surface is called reflection.

Ribosomes are the sites of protein synthesis in the cell.

The cell membrane is selectively permeable, allowing certain substances to pass while blocking others.

Saturated hydrocarbons contain only single bonds between carbon atoms.

A tropical climate is characterized by high temperatures and heavy rainfall throughout the year.

The reaction CaCO3 → CaO + CO2 is a decomposition reaction, where one compound breaks down into two products.

An acid reacting with a base results in a neutralization reaction, producing salt and water.

India's GDP growth rate in the first quarter of 2023 was reported at 6.1%.

India's GDP growth rate for the fiscal year 2022-2023 was approximately 7.2%.

The Non-Cooperation Movement aimed to resist British rule through non-violent means and promote self-governance.

The main outcome of COP28 in 2023 was the agreement on funding for developing nations to combat climate change.

The Cripps Mission aimed to negotiate with Indian leaders for support during World War II.

The primary focus of the G20 summit in 2023 was on Economic Recovery post-pandemic.

The primary goal of the Civil Disobedience Movement was to oppose British laws and demand independence.

The Cripps Mission aimed to negotiate with Indian leaders for greater self-governance.

The Lahore Resolution, passed in 1940, called for the establishment of independent states for Muslims in the northwestern and eastern zones of India.

The Dandi March was a significant protest against the salt tax imposed by the British government.

The United Kingdom officially left the European Union on January 31, 2020.

The United Nations officially came into existence on October 24, 1945.

The first manned mission to the Moon, Apollo 11, was launched in 1969.

The first manned moon landing occurred on July 20, 1969.

The Marshall Plan was launched in 1948.

The World Trade Organization (WTO) was established on January 1, 1995.

The Constitution of India was adopted on January 26, 1950.

The Right to Information Act was enacted in 2005.

The Rowlatt Act of 1919 allowed the British government to arrest and detain Indians without trial, leading to widespread protests.

The Rowlatt Act was passed in 1919 to suppress the Indian freedom struggle.

The 44th Amendment Act of 1978 abolished the Privy Purses that were granted to the former rulers of princely states.

The 26th Amendment to the Indian Constitution, enacted in 1971, abolished the Privy Purse, which was a payment made to the former rulers of princely states.

The 61st Amendment to the Constitution of India, enacted in 1988, lowered the voting age from 21 to 18 years.