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Super TET Science Practice MCQs (Part 5) Notes – Teaching

Super TET Science Practice MCQs (Part 5)

This lecture covers key scientific MCQs across physics, chemistry, and biology designed for teaching exams like Super TET. Topics include SI units, organic reaction terms, human physiology, thermodynamics, optics, and atomic models.

Teaching
Science
English · 13 topics
Checked against the video on 25 Oct 2026

Made by AI from the YouTube video SUPER TET 2026 Science | Class 33 | 350 Ques Series | Part-5 | 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 MCQs (Part 5)

English13 topics · 6 MCQs · 15 flashcardsWatch the video (opens YouTube in a new tab)

Checked against the video

In short

This lecture covers key scientific MCQs across physics, chemistry, and biology designed for teaching exams like Super TET. Topics include SI units, organic reaction terms, human physiology, thermodynamics, optics, and atomic models.

Magnetic Flux, Rectifiers, and Plaster of Paris

Must knowThe SI unit of magnetic flux is weber (Wb).
A rectifier (दिश्टकारी) is an electrical device that converts alternating current (AC) into direct current (DC).
Must knowPlaster of Paris (CaSO4·1/2H2O) is formed by heating gypsum at 373 K (100°C), causing it to lose water molecules.

Biological Cycles, Wave Optics, and Electronegativity

The hormone melatonin, secreted by the pineal gland in the brain, regulates the circadian rhythm (sleep-wake cycle) in humans.
Must knowThe formation of colourful patterns on a soap bubble exposed to sunlight is caused by light interference (व्यतिकरण).
Must knowFluorine (F) is the most electronegative element in the entire periodic table.

Carbonyls, DNA Enzymes, Photosynthesis, and Urea

The functional group characteristic of ketones is the carbonyl group (>C=O) linked to two carbon atoms.
During DNA replication, the enzyme helicase unzips the double-stranded DNA by breaking hydrogen bonds.
The light-independent reactions of photosynthesis (Calvin cycle) take place in the stroma of the chloroplast.
Must knowUrea (NH2CONH2) was the first organic compound synthesised in a laboratory, prepared by Friedrich Wöhler in 1828 by heating inorganic ammonium cyanate.

Hall-Heroult Process, Inductance, Gravity, and Cerebellum

The Hall-Heroult process is used for the extraction of aluminium via the electrolysis of alumina derived from bauxite.
Must knowThe SI unit of inductance is henry (H).
Must knowThe universal gravitational constant (G), determined by Henry Cavendish, has a value of 6.67 x 10⁻¹¹ N·m²/kg².
The cerebellum (अनुमस्तिष्क), located in the hindbrain, maintains body posture, balance, and controls voluntary muscle movements.

Proteins, Blood, Nerves, and Gravity Formula

Amino acids in a protein molecule are linked together into polypeptide chains by peptide bonds.
White blood cells (leukocytes or WBCs) protect the body against infections and diseases.
Must knowThe human body contains 12 pairs of cranial nerves arising from the brain (along with 31 pairs of spinal nerves).
Acceleration due to gravity (g) on the Earth's surface depends on mass (M) and radius (R), calculated by g = GM / R².

Vulcanization, Aqua Regia, Carbon Dating, and Radiation

Natural rubber is heated with sulphur during vulcanization to make it harder and more elastic.
Aqua Regia (अम्लराज) is an acidic mixture containing hydrochloric acid (HCl) and nitric acid (HNO3).
The half-life of radioactive carbon-14 used in radiocarbon dating is approximately 5730 years.
Must knowCobalt-60 emits high-energy gamma rays and is used in radiotherapy for treating cancerous tumours.

Taxonomy, Fluid Mechanics, Photons, and Digestion

Carolus Linnaeus is regarded as the father of modern taxonomy and introduced binomial nomenclature.
Hydraulic presses and hydraulic lifts function on Pascal's law, which states pressure applied to an enclosed fluid is transmitted equally in all directions.
According to Max Planck, photon energy relates to its frequency via the equation E = hf.
Must knowThe maximum absorption of digested nutrients in the alimentary canal occurs through villi on the inner walls of the small intestine.

Nuclear Particles, Chemical Bonds, Enzymes, and Ores

Alpha particles consist of 2 protons and 2 neutrons, making them identical to a helium nucleus (He²+).
The chemical bonding in sodium chloride (NaCl) is an ionic (electrovalent) bond formed by electron transfer from sodium to chlorine.
Lysozyme, an antibacterial enzyme present in tears and saliva, kills bacteria by destroying their cell walls.
The most important and widely found iron ore is hematite (Fe2O3).

Thermodynamics, Humidity, Sublimation, and pH

In hydrogen peroxide (H2O2), the oxidation state of oxygen is -1 rather than its usual -2.
The First Law of Thermodynamics is based on the principle of conservation of energy.
Relative humidity in the atmosphere is measured using a hygrometer.
Sublimation is the direct conversion of a solid into a gas without turning into a liquid (for example camphor, naphthalene, iodine).
The pH of pure neutral water at 25°C is exactly 7.0.

Organelles, Mechanics, Surface Tension, and Blood Pigments

The Golgi apparatus (or Golgi body) packages and modifies proteins and lipids, functioning as the traffic director of the cell.
Newton's First Law of Motion is also known as the Law of Inertia (Galileo's law).
Must knowThe SI unit of surface tension is newton/metre (N/m).
Invertebrates like octopuses have blue blood due to hemocyanin, a respiratory pigment containing copper instead of iron.
Ant and bee stings contain formic acid (methanoic acid, HCOOH), which causes a burning sensation.

Endocrine Glands, Optics, Atomic Structure, and Materials

The thymus gland shrinks with age following puberty as it converts into fatty tissue after developing immune resistance.
The speed of light in a vacuum is 3 x 10⁸ m/s.
At Earth's magnetic poles, the angle of dip is 90° (perpendicular), while at the magnetic equator it is 0°.
Carbon has a valency of 4 (tetravalency) because it contains four valence electrons.
Must knowVitamin E, known chemically as tocopherol, functions as an antioxidant and reproductive vitamin.
Charles Darwin proposed the theory of evolution by natural selection in his book *Origin of Species*.
By Bohr's atomic model, the maximum number of electrons in an energy shell (n) is given by 2n².
Lithium is the lightest metal in the periodic table and has a density lower than water.

Medical Waves, Circuitry, and Periodic Structure

Sonography (ultrasound) relies on the reflection of high-frequency ultrasonic waves to produce images of internal organs.
A microphone converts sound energy into electrical energy signals.
In a healthy adult, normal blood pressure is 120/80 mmHg, where 80 mmHg represents the diastolic pressure and 120 mmHg is systolic.
Hair, nails, and animal horns are primarily made of the structural protein keratin.
Electric bulbs are filled with inert gases like argon or nitrogen to prevent oxidation of the tungsten filament.
The SI unit of specific resistance (resistivity) is ohm-metre (Ω·m).
Fungal cell walls are mainly composed of the polysaccharide chitin.
Insects like cockroaches excrete uric acid via Malpighian tubules.

Gas Laws, Catalysts, and Electrical Conduction

Boyle's Law states that at constant temperature, the volume (V) of a given mass of gas is inversely proportional to its pressure (P), meaning P ∝ 1/V.
Adding a catalyst to a reversible chemical reaction has no effect on the value of the equilibrium constant.
Absolute zero temperature is equal to -273.15°C (0 K).
Quicklime has the formula CaO (calcium oxide), which turns into slaked lime [Ca(OH)2] when mixed with water.
In 1996, Ian Wilmut cloned the first mammal from an adult somatic cell, a sheep named Dolly.
Severe protein deficiency in children causes kwashiorkor, resulting in a swollen belly and stunted growth.
Gamma rays have the shortest wavelength, highest energy, and highest penetrating power among electromagnetic radiation.
The modern periodic table contains 7 periods (horizontal rows) and 18 groups (vertical columns).
Dentists use a concave mirror to obtain magnified, upright images of teeth.
Splitting of water molecules during the light reaction of photosynthesis is termed photolysis.
Noble gases have a valency of zero because their valence shell is completely full.
The SI unit of luminous intensity is candela (cd).
Electric current flows through metal wires via the movement of free electrons.

Key terms

Weber: SI unit of magnetic flux (Wb)
Rectifier: Electrical device converting alternating current (AC) into direct current (DC)
Vulcanization: Process of heating natural rubber with sulphur to increase hardness and elasticity
Aqua Regia: Highly corrosive mixture of hydrochloric acid (HCl) and nitric acid (HNO3)
Helicase: Enzyme responsible for unzipping double-stranded DNA during replication
Hemocyanin: Copper-containing respiratory pigment imparting blue colour to invertebrate blood

Formulas

CaSO4·2H2O + Heat (373 K) -> CaSO4·1/2H2O + 1.5H2O: Formation of Plaster of Paris from gypsum
g = GM / R²: Acceleration due to gravity at Earth's surface
E = hf: Energy of a photon in terms of Planck's constant and frequency
P ∝ 1/V: Boyle's Law at constant temperature
Max electrons = 2n²: Maximum electrons accommodated in shell n of Bohr's model

Quick revision

Read these the night before the exam.

Weber (Wb) is the SI standard unit of magnetic flux.
Melatonin secreted by the pineal gland controls circadian sleep-wake cycles.
Fluorine has the highest electronegativity among all periodic table elements.
Friedrich Wöhler synthesized the first organic lab compound, urea, in 1828.
Henry is the SI unit used for measuring electrical inductance.
Human adults possess 12 pairs of cranial nerves and 31 pairs of spinal nerves.
Natural rubber is vulcanized using sulphur to increase durability.
Relative humidity of the atmosphere is measured using a hygrometer.
The SI unit of surface tension is newton per metre (N/m).
Normal human diastolic blood pressure is 80 mmHg (systolic is 120 mmHg).
Fungal cell walls are composed predominantly of the polysaccharide chitin.
Absolute zero corresponds to 0 K or -273.15°C.

These notes are made by AI from the video. Use the timestamps to check any important fact against the video before you rely on it.

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