General Science Quiz For KIDS | 100 Important Science Quiz Questions & Answers | General Knowledge

This paragraph delves into a variety of trivia questions and answers. It starts with the intriguing fact that an octopus has three hearts. It then moves on to identify the cheetah as the fastest land animal, reaching speeds up to 75 mph. The Earth's atmosphere is highlighted for its large quantities of nitrogen. The meter is established as the SI unit of length, and the hummingbird is recognized as the smallest bird in the world. The paragraph also touches on file formats, with MP4 being incorrectly listed as a picture format, and mentions the smallest bone in the human body, the stapes. It concludes with a question about a disease, which is left unanswered.

The second paragraph continues the theme of trivia, starting with the association of pneumonia with the lungs and the presence of citric acid in lemons. The heart's function of pumping blood is explained, and seismology is introduced as the scientific study of earthquakes. Amphibians, which can live both in water and on land, are mentioned, as is the Rafflesia, the largest flower in the world. The paragraph includes a variety of instruments and their uses, such as the thermometer for measuring temperature. It also covers elements like helium, the lightest noble gas, and mercury, which is unique for being liquid at room temperature. The achievements of Neil Armstrong, the first person to step on the moon, and Alessandro Volta, the inventor of the electric battery, are highlighted. The paragraph ends with a question about the farthest planet from the sun, which is Neptune.

This paragraph focuses on human anatomy and physiology, starting with the incisors, the front teeth in humans. It explains the function of nostrils and the number of teeth an adult human has, which is 32. The pituitary gland is identified as the 'master gland,' and the leaf is recognized as the part of the plant that performs photosynthesis. The paragraph also covers renewable energy sources, specifically solar energy, and the largest part of the human brain, the cerebrum. It touches on the composition of hair and nails, which are made of keratin, and the platypus, an egg-laying mammal. The solid form of water is identified as ice, and the paragraph concludes with the chemical symbol for manganese, 'Mn,' and a question about the planet the moon orbits, which is mistakenly stated as Saturn instead of Earth.

The fourth paragraph begins with a focus on root vegetables, specifically the carrot. It then moves on to discuss the largest planet in our solar system, Jupiter, and the gas known as 'laughing gas,' nitrous oxide. Alexander Fleming's discovery of penicillin is acknowledged, and the life cycle of frogs and butterflies is briefly touched upon. Omnivores, which eat both plants and animals, are mentioned, as is the fact that spiders are not insects. The largest organ of the human body, the skin, and the form in which plants store excess food, starch, are also covered. The paragraph concludes with a question about the type of plant a tomato is and what pandas eat, which is bamboo.

This paragraph explores the presence of vitamin B12 in rainwater and the number of legs a spider has, which is eight. It addresses the misconception that sharks are not aquatic mammals, as they indeed are. Vitamin C, also known as ascorbic acid, is highlighted for its importance. Sodium chloride, commonly known as salt, is mentioned, as is the function of the heart's ventricles. The largest snake in the world, the anaconda, and the fact that metals are not good conductors of heat are discussed. The paragraph concludes with a question about the sixth element on the periodic table, which is carbon, and the use of an altimeter to measure altitude.

The sixth paragraph starts with the topic of deforestation and the inventor of the vacuum flask, James Dewar. It differentiates wood as not being a mineral and explains the role of mitochondria as the 'powerhouse of the cell.' Hydrogen is identified as the first element in the periodic table. The largest living mammal, the blue whale, and the tallest tree, the sequoia, are mentioned. The nearest star to Earth, the sun, and the gas produced during photosynthesis, oxygen, are highlighted. The paragraph also covers the moons of Mars, Deimos and Phobos, and the number of canine teeth in humans, which is four. It concludes with information about the outermost layer of the skin, the epidermis, and the largest living primate, the gorilla.

The final paragraph discusses the role of the skull in protecting the brain and the iris's function in regulating the amount of light entering the eye. It identifies fish as vertebrates with a two-chambered heart and Mercury as the smallest planet in our solar system. The melting point of water is correctly stated as zero degrees Celsius, and vitamin A deficiency causing night blindness is mentioned. The SI unit of time, the second, and Mars being known as the red planet are highlighted. The paragraph concludes with a question about an acid found in apples, which is mistakenly referred to as 'malik' instead of 'malic,' and the number of bones in the human body, which is 206, ending with the mention of the amphibian, the frog.