Cirrus, cirrocumulus, and cirrostratus are types of:

Who discovered the four main moons of Jupiter in 1610?

The unit of measuring the depth of water is called:

Who is the author of the book A Brief History of Time: From the Big Bang to Black Holes?

Which of these gases solidifies to form dry ice?

The process by which some animals locate distant or not visible objects through sound waves is known as:

Who is the only woman to have won two Nobel Prizes in two different fields?

What is the study of fungi called?

In physics, for every action there is an equal and opposite what?

Who invented the World Wide Web?

Which of these chemical elements is heavier than iron?

Two types of organisms deriving benefit from each other is known as:

What airplane has not been flown commercially since 2003?

The cultivation of plants in nutrient solutions without soil is known as:

Which of these is a form of energy which is due to an object or a particle's motion?

What is the name of the first human ancestral fossil found in the year 1974?

The scientific study of fishes is known as:

A baby blue whale drinks this many liters of milk per day:

Who invented the geodesic dome?

Who is known for creating the binomial nomenclature of plants?

Which of the following technological developments came first?

When was the first plastic made of artificial materials patented?

Moths are a member of what order?

For what is the Jurassic period named?

Who developed the theory of the chemical reactivity of oxygen?

Who developed the carbon-14 dating technique of dating fossils and archaeological specimens?

What kind of substance makes litmus paper turn blue?

The only living reptiles that use a vertical limb posture in walking is:

Which of these particles was discovered by J.J. Thompson?

Who discovered X-rays?

Who won the Nobel Prize for cultivating the poliomyelitis virus in tissue culture in 1954?

Which of these chemicals help fruit to ripen?

The layer of the atmosphere in which weather occurs is called the:

What is the International System of Units (SI) name for a unit of magnetic flux?

The sea anemone is a member of what order?

Group 18 of the periodic table is made up of which elements?

Who won the Nobel Prize for Physics in 2018 for the invention of optical tweezers?

Faraday is a unit of measurement for:

Hafnium belongs to which group in the periodic table?

How many laws are there in Kepler's planetary motion?

This isotope of hydrogen is also known as heavy hydrogen:

Who is known as the father of the Green Revolution?

E = mc² is an equation which deals with:

Which of these laws states that the pressure (p) of a given quantity of gas varies inversely with its volume (v) at a constant temperature?

Who among the following coined the term Dinosauria?

Which of these trees is known as a living fossil?

Who discovered the composition of white light?

The study of pollen and spores is known as:

The “hole” in the ozone layer in the upper atmosphere above Antarctica was discovered by:

Which is the first private spacecraft to carry astronauts into orbit?

The capacity of a material to deform permanently in response to stress is called:

What causes dew?

The male reproductive part of a flower is called the:

Who was the recipient of the first Nobel Prize for Physics?

Who was the first to observe bacteria and protozoa using a primitive microscope?

The Triassic, Jurassic, and Cretaceous periods belong to the:

Which era is known as the age of mammals?

Fossilized tree resin is known as:

The plant tissue responsible for the transportation of water and dissolved minerals from the roots to the rest of the plant is:

Which of these laws establishes the relationship between the current and the voltage as directly proportional?