Explanation

Minimum zooming is 10% and Maximum zooming is allowed in 400%.

So, 500% is invalid zoom percentage in Excel.

Explanation

Most databases and spreadsheets (like Excel or Google Sheets) allow users to freely add or delete rows and columns.

This flexibility helps in updating or organizing data as per requirements.

Explanation

Iltutmish (Reign: 1211–1236 CE):

The first Delhi Sultan to formally accept the title of "Naib-i-Amir-ul-Momineen" (Deputy of the Caliph) from the Abbasid Caliph in Baghdad (1229 CE).

This legitimized his rule under Islamic law.

Explanation

Tahreek-e-Niswan:

Founded in 1979 by Sheema Kermani, a renowned Pakistani dancer, activist, and feminist.

Focuses on women’s rights, gender equality, and cultural activism through theater and grassroots campaigns.

Explanation

Bait-ul-Mal:

An Islamic welfare system established during the time of Prophet Muhammad (PBUH) and formalized by Caliph Umar (R.A).

Sources of funds: Zakat, charity (Sadaqah), state revenue (Fay, Ghanimah).

Used for: Poverty alleviation, orphans, debt relief, public infrastructure.

Explanation

Michael Phelps has won the most Olympic medals in history.

He has won a total of 28 medals, 23 of which are gold, making him the most decorated Olympian of all time.

Phelps is an American former competitive swimmer.

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Explanation

Svedberg (Sv):

A unit measuring the sedimentation coefficient (how fast particles settle in a centrifuge).

Used in ultracentrifugation to study macromolecules (e.g., proteins, ribosomes).

1 Sv = 10⁻¹³ seconds.

Explanation

The Treaty of Westphalia, signed in 1648, marked the end of two major conflicts:

The Thirty Years' War (1618–1648) in the Holy Roman Empire, involved various European powers, including Germany.

The Eighty Years' War (1568–1648) between Spain and the Dutch Republic, resulted in Dutch independence from Spanish rule.

Explanation

Trees as Environmental Buffers:

Climate Regulation: Absorb CO₂, release O₂, and moderate temperatures.

Soil Protection: Prevent erosion and maintain soil health.

Water Cycle: Help in groundwater recharge and reduce flooding.

Explanation

The main idea of the solar system was proposed by the Polish astronomer Nicolaus Copernicus (1473-1543).

who said that "the Sun is the centre of the Universe" and made the planets move around it in perfect circles

(in his book entitled, "On the Revolution of the Celestial Spheres", written in Latin and published in 1543)