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Super TET Science Practice: Important General Science MCQs

Revision notes covering practice questions on general science for the Super TET examination. The lecture covers topics across physics, chemistry, biology, and environmental studies, including atomic structure, human anatomy, light and sound, chemical compounds, and ecological concepts.

Teaching
Science
English · 9 topics
Checked against the video on 25 Oct 2026

Made by AI from the YouTube video SUPER TET 2026 Science | Class 32 | 350 Ques Series | Part-4 | 70 MCQ | Complete Science Revision (opens YouTube in a new tab) by Balaji Study Adda, then checked against it. All credit for the teaching goes to the creator. Tap a topic’s time to confirm a fact in the video.

Super TET Science Practice: Important General Science MCQs

English9 topics · 7 MCQs · 15 flashcardsWatch the video (opens YouTube in a new tab)

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In short

Revision notes covering practice questions on general science for the Super TET examination. The lecture covers topics across physics, chemistry, biology, and environmental studies, including atomic structure, human anatomy, light and sound, chemical compounds, and ecological concepts.

Atomic Structure and Anatomy Basics

Must knowErnest Rutherford discovered the nucleus of an atom using the gold foil experiment.
Must knowThe femur, situated in the thigh, is the longest and heaviest bone in the human body.
The stapes, located in the middle ear, is the smallest bone in the human body.
A sphygmomanometer is the instrument used to measure blood pressure.
Vitamin D is known as the "Sunshine Vitamin" because it is synthesized by the human skin in the presence of sunlight.

Physics and Chemistry Fundamentals

The abbreviation LED stands for Light Emitting Diode.
Pencil lead is manufactured using graphite, which is an allotrope of carbon.
The standard SI unit used for measuring electric charge is the Coulomb.
Must knowThe minimum escape velocity required to escape Earth's gravitational pull is approximately 11.2 km/s.
Solid carbon dioxide (solid CO2) is commonly referred to as "Dry Ice".

Human Physiology and Cell Biology

Deficiency of iron causes anemia because iron is an essential element for the formation of hemoglobin in blood.
Must knowGoiter affects the thyroid gland, which swells up due to a deficiency of iodine in the body.
The primary structural component of a plant cell wall is cellulose.
A mirage in a desert is an optical illusion caused by total internal reflection occurring due to layers of hot air.
Bauxite is the primary ore used to extract aluminum.
The human heart is divided into four distinct chambers, comprising two atria and two ventricles.

Electricity and Optics

Electric current in a circuit is measured using an ammeter, which is always connected in series.
The SI unit for the power of a lens is the diopter, representing the reciprocal of its focal length.
Must knowMyopia (nearsightedness), where images form in front of the retina, is corrected using a concave lens.
The SI unit for both work and energy is the joule.
Kinetic energy is calculated using the formula 1/2 mv², where m is mass and v is velocity.

Waves, Light, and Eye Anatomy

Sound waves are longitudinal mechanical waves because the particles of the medium vibrate parallel to the direction of propagation.
The SI unit of electrical resistance is the ohm.
Must knowThe speed of light is maximum in a vacuum, travelling at approximately 3 x 10⁸ m/s.
The speed of sound requires a material medium and is highest in solids like steel because the particles are packed closely together.
In the human eye, an inverted and real image of an object is formed on the retina.
The pH scale ranges from 0 to 14, where 7 is neutral, values below 7 are acidic, and values above 7 are basic.

Chemistry of Common Compounds

The chemical formula for baking soda (sodium bicarbonate) is NaHCO3.
The chemical name of washing soda is sodium carbonate, with the chemical formula Na2CO3.10H2O.
Plaster of Paris (CaSO4.1/2H2O) is prepared by heating gypsum (CaSO4.2H2O).
Must knowBromine is the only non-metal that remains in a liquid state at room temperature, while mercury is a liquid metal.
Brass is an alloy composed of copper and zinc.
Rusting of iron is a chemical change involving oxidation, where iron reacts with oxygen and moisture to form iron oxide.
Passing carbon dioxide (CO2) gas through lime water [Ca(OH)2] turns it milky due to the formation of calcium carbonate.

Environment, Ecology, and Cell Organelles

Nitrogen is the most abundant gas in the atmosphere, making up approximately 78% of the air.
An atomic nucleus is composed of positively charged protons and uncharged neutrons, collectively termed nucleons.
The liver is the largest gland in the human body and is responsible for producing bile.
Blood owes its red color to hemoglobin, an iron-containing protein present in red blood cells.
Must knowAdrenaline is designated as the "Emergency Hormone" or the "Fight or Flight" hormone.
Ethylene is a gaseous plant hormone that plays a major role in the artificial ripening of fruits.
In vascular plants, phloem tissue transports synthesized food from leaves to other plant parts, while xylem conducts water.

Genetics and Ecology Concepts

Gregor Johann Mendel is called the father of genetics for establishing the laws of inheritance through experiments on pea plants.
James Watson and Francis Crick proposed the double helix model of DNA structure in 1953.
Must knowMitochondria are termed the "Powerhouse of the cell" because they generate energy in the form of ATP during respiration.
Ribosomes function in protein synthesis and are commonly known as the "protein factories" of the cell.
Lysosomes are called "suicide bags" of the cell because their digestive enzymes destroy damaged cells.
The ozone layer is situated in the stratosphere, where it absorbs harmful ultraviolet (UV) rays from the sun.
Acid rain is primarily caused by sulfur dioxide (SO2) and nitrogen dioxide (NO2), which react with atmospheric water to form sulfuric and nitric acids.
Biochemical Oxygen Demand (BOD) measures the amount of dissolved oxygen required by microorganisms to decompose organic waste in water.

Diseases, Vectors, and Discoveries

Malaria is caused by the parasite Plasmodium and is transmitted by the female Anopheles mosquito.
Dengue fever is transmitted by the bite of the female Aedes aegypti mosquito.
World Environment Day is observed annually on 5 June.
Energy flow within an ecosystem is unidirectional, flowing strictly from producers to successive consumer levels.
Lindeman's 10% law explains that only 10% of energy is transferred from one trophic level to the next in a food chain.
Project Tiger was launched in India in the year 1973 for the conservation of tigers.
The Chipko Movement was a forest conservation movement led by Sunderlal Bahuguna in Uttarakhand to prevent the cutting down of trees.
Must knowThe nephron is the functional and structural unit of the kidney, responsible for filtering blood and forming urine.
The neuron is the basic structural and functional unit of the nervous system.
Body temperature, hunger, and thirst are regulated by the hypothalamus in the brain.
An adult human skeleton contains 206 bones, reduced from approximately 300 bones in an infant through fusion.
Scurvy is caused by a deficiency of Vitamin C (ascorbic acid), causing bleeding of gums.
Thiamine is the chemical name of Vitamin B1, and its deficiency leads to beriberi.
The iris regulates the amount of light entering the eye by adjusting the size of the pupil.
The Widal test is used as a diagnostic test for typhoid fever, which is caused by the bacterium Salmonella typhi.
During photosynthesis, plants convert absorbed solar energy into chemical energy stored as glucose.
The pitch of a sound is directly determined by its frequency.
Water reaches its maximum density at a temperature of 4°C due to its anomalous expansion.
Henri Becquerel discovered radioactivity in 1896 using uranium salts.
Alexander Fleming discovered penicillin, the first antibiotic, in 1928 from the fungus Penicillium notatum.

Key terms

Escape Velocity: The minimum speed required for an object to overcome Earth's gravitational pull (approx. 11.2 km/s)
Myopia: Nearsightedness, a vision defect where the image forms before the retina; corrected with a concave lens
Dry Ice: Solid form of carbon dioxide (CO2)
Nephron: The microscopic functional unit of the kidney that filters blood and produces urine
BOD: Biochemical Oxygen Demand; the oxygen needed by microbes to break down organic matter in water
10% Law: Lindeman's principle stating that only 10% of energy is transferred between successive trophic levels in a food chain

Formulas

KE = 1/2 mv²: Calculation of kinetic energy from mass (m) and velocity (v)
NaHCO3: Chemical formula of baking soda (sodium bicarbonate)
Na2CO3.10H2O: Chemical formula of washing soda (sodium carbonate)
CaSO4.1/2H2O: Chemical formula of Plaster of Paris

Exam tips and traps

Do not confuse the fastest medium for sound versus light: sound travels fastest in dense solids like steel, while light travels fastest in a vacuum.
For room-temperature liquids, distinguish metal from non-metal: mercury is a liquid metal, whereas bromine is a liquid non-metal.

Quick revision

Read these the night before the exam.

Rutherford discovered the atomic nucleus using a gold foil experiment.
The escape velocity of Earth is approximately 11.2 km/s.
Myopia is corrected using a concave lens, whereas the image falls before the retina.
The maximum density of water occurs at 4°C due to anomalous expansion.
Bromine is the only non-metal liquid at room temperature.
The liver is the largest gland of the human body and secretes bile.
Adrenaline is known as the emergency or fight-or-flight hormone.
Mitochondria produce energy as ATP and are known as the powerhouses of the cell.
Acid rain is caused by sulfur dioxide (SO2) and nitrogen dioxide (NO2).
The nephron is the functional unit of the kidney, while the neuron is the unit of the nervous system.
Body temperature is regulated by the hypothalamus in the brain.
The Widal test diagnoses typhoid caused by Salmonella typhi.

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