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UP Super TET General Science: Daily Life Science Practice Questions

A comprehensive question-practice session focusing on everyday science concepts for Uttar Pradesh primary teacher recruitment (Super TET). The lecture covers polymers, atomic models, acids and bases, medical discoveries, chemical compounds, scientific inventions, and everyday physical phenomena. Detailed explanations and flowcharts accompany solved objective questions based on the NCERT syllabus.

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

Made by AI from the YouTube video UP SUPER TET SCIENCE दैनिक जीवन में विज्ञान 77 QUES PRACTICE | CLASS-2 | उ प्र प्राथमिक शिक्षक भर्ती (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.

UP Super TET General Science: Daily Life Science Practice Questions

English9 topics · 7 MCQs · 12 flashcardsWatch the video (opens YouTube in a new tab)

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In short

A comprehensive question-practice session focusing on everyday science concepts for Uttar Pradesh primary teacher recruitment (Super TET). The lecture covers polymers, atomic models, acids and bases, medical discoveries, chemical compounds, scientific inventions, and everyday physical phenomena. Detailed explanations and flowcharts accompany solved objective questions based on the NCERT syllabus.

Polymers, Rutherford's Model, and Agriculture Concepts

Natural rubber is a natural addition polymer whose basic monomer unit is isoprene.
Must knowIn rubber processing, heating natural rubber latex with sulfur is known as vulcanization, which hardens the rubber.
Ernest Rutherford bombarded a thin gold foil with alpha particles, leading to the discovery of the atomic nucleus.
Almost the entire mass and total positive charge of an atom reside concentrated in an extremely minute space at the center called the nucleus.
Cultivation of silkworms for the commercial production of raw silk is called sericulture.
Cotton fibers are surface fibers obtained from the seed coat of the cotton plant, and cotton is commercially termed white gold.

Philosophy of Science, Temperature Scales, and Water Hardness

In naturalistic education, advanced by thinkers like Jean-Jacques Rousseau, science is considered an objective study of reality.
A change in temperature of 50 degrees on the Celsius scale corresponds to an equal change of 50 K on the Kelvin scale because the degree intervals are identical (Delta T_C = Delta T_K).
Temporary hardness of water is caused by dissolved bicarbonates of calcium and magnesium (Ca(HCO3)2 or Mg(HCO3)2) and can be removed by boiling.
Permanent hardness of water is caused by chlorides and sulfates of calcium and magnesium (such as CaCl2 and MgSO4).

Carbon Chemistry, Saponification, and Everyday Chemical Changes

Carbon forms a vast number of compounds due to its high ability for catenation (forming long chains and rings) and its tetravalent nature.
Soaps are sodium or potassium salts of higher fatty acids (such as stearic, palmitic, or oleic acids) formed via the saponification process.
Food spoiling via fermentation, cut apples turning brown due to the oxidation of phenol to quinone, and the neutralization of ant stings using calamine are all chemical changes.
Zinc or calamine lotion acts as a mild base that neutralizes acidic insect venom like formic acid.

Application	Metal or Element Used	Common Function
Wound Antiseptic	Iodine (Tincture of Iodine)	Germicide
Thermometer	Mercury	Temperature measurement
Food Packaging	Aluminium (Aluminium Foil)	Keeping food warm
Water Purification	Chlorine	Disinfectant

Plastics, Microorganism Discoveries, and Fertilizers

Bakelite is a heat-resistant, non-conductive thermosetting plastic commonly used to manufacture electrical switches.
Alexander Fleming discovered penicillin, Edward Jenner developed the smallpox vaccine, Louis Pasteur discovered fermentation, and Robert Koch identified the anthrax bacterium.
Must knowThe three primary macronutrients required for plant growth provided by chemical fertilizers are nitrogen (N), phosphorus (P), and potassium (K).
Fermentation is the biochemical breakdown of sugars into ethanol and carbon dioxide catalyzed by yeasts.
Rayon is known as artificial silk and is considered a semi-synthetic fiber derived from natural wood cellulose chemically treated.

Aqua Regia, Antacids, and Everyday Materials

Fraudulent jewelers use aqua regia (a 3:1 mixture of concentrated HCl and concentrated HNO3) to clean ornaments because it dissolves noble metals like gold and platinum, reducing their weight.
Alum (potash alum) stops wound bleeding by promoting the coagulation of blood.
Compact Fluorescent Lamps (CFLs) contain toxic mercury vapor, making LEDs (Light Emitting Diodes) a safer, non-toxic alternative for household illumination.
Excessive stomach acidity is neutralized using antacids containing mild alkaline compounds like calcium carbonate (CaCO3), sodium bicarbonate (NaHCO3), or magnesium hydroxide (Mg(OH)2).
Food cans are coated with tin rather than zinc because zinc is more reactive than tin and could react with food acids to produce toxic compounds.
Plaster of Paris (POP) has the chemical formula CaSO4 . 1/2 H2O and is prepared by heating gypsum (CaSO4 . 2H2O) to 373 K.

Organic Reactions, Monomers, and Inventions

Food cooks faster in a pressure cooker because increased pressure raises the boiling point of water above 100 degrees Celsius (approximately 110 degrees Celsius).
Polyacrylonitrile (PAN) is formed from the monomer acrylonitrile, nylon-6 from caprolactam, and PVC from vinyl chloride.
Antonie van Leeuwenhoek was the first to observe bacteria using a microscope, whereas Robert Hooke discovered cells.
Theodore Maiman invented the LASER (Light Amplification by Stimulated Emission of Radiation).
Bitumen, a petroleum product, is mixed with concrete and stone aggregate to lay road asphalt surfaces.
Polyurethane foam is the principal polymer used in manufacturing mattress cushioning and pillows.

Agricultural Chemistry and Chemical Formulas

Platinum is an unreactive metal that does not emit photoelectrons readily, making it unsuitable for manufacturing photovoltaic solar cells; semiconductors like silicon and germanium are used instead.
Leguminous plants like gram enrich soil fertility because Rhizobium bacteria in their root nodules fix atmospheric nitrogen.
Paracetamol serves both as an antipyretic (fever reducer) and an analgesic (painkiller).
Calcium carbide (CaC2) is used to artificially ripen fruits because it reacts with moisture to release acetylene gas.
Solid carbon dioxide is commonly called dry ice and sublimes directly from a solid into a gas without turning into a liquid.
Nitrous oxide (N2O) is known as laughing gas and is used medically as a mild inhalation anesthetic.

Industrial Chemicals and Gas Laws

Carl Wilhelm Scheele discovered oxygen in 1772 by heating potassium nitrate; Joseph Priestley independently prepared it in 1774 by heating mercuric oxide.
Bleaching powder (CaOCl2) is produced by reacting dry slaked lime (Ca(OH)2) with chlorine gas (Cl2).
Vinegar is a dilute aqueous solution containing 4% to 8% acetic acid (CH3COOH).
Milk turns sour through the production of lactic acid, and accumulation of lactic acid in muscle fibers causes physical fatigue.
An oxy-acetylene flame produced by burning acetylene gas with oxygen reaches high temperatures and is utilized for metal welding and cutting.
In biogas, methane (CH4) comprises 50% to 70% of the volume, with carbon dioxide making up 25% to 50%.
Ethylene glycol is added to fuels in spacecraft and cold-climate vehicle engines as an antifreeze because it drastically lowers the freezing point of water.
Liquefied Petroleum Gas (LPG) consists mainly of propane and butane, and ethyl mercaptan (C2H5SH) is blended into it to detect hazardous leaks.

Environmental Chemistry, Inventions, and Physics Laws

Superphosphate is a phosphatic fertilizer, whereas ammonium sulfate, ammonium nitrate, and urea are nitrogenous fertilizers.
Urea has the chemical formula (NH2)2CO and contains approximately 46% nitrogen by weight; it was the first organic compound synthesized in a laboratory (by Friedrich Wöhler).
Freon is a chlorofluorocarbon (CFC) used as a refrigerant coolant, but it contributes to stratospheric ozone depletion.
John Pemberton invented the carbonated beverage Coca-Cola in the late 19th century.
The 1984 Bhopal Gas Tragedy occurred due to the accidental release of methyl isocyanate (MIC) from the Union Carbide pesticide plant on December 3, 1984.
Soda water was invented by Joseph Priestley and consists of water carbonated under pressure with carbon dioxide.
When stepping off a boat onto the shore, pushing backward against the boat propels the person forward, demonstrating Newton's third law of motion (action and reaction).
Water reaches its maximum density and minimum volume at 4 degrees Celsius (equal to 277 Kelvin) due to its anomalous expansion behavior.

Key terms

Catenation: The property of carbon atoms to form long chains and stable covalent bonds with each other.
Vulcanization: The process of heating natural rubber with sulfur to improve its tensile strength and hardness.
Aqua Regia: A highly corrosive mixture of three parts concentrated hydrochloric acid and one part concentrated nitric acid.
Antipyretic: A medical substance used to lower body temperature during fever.
Analgesic: A drug or agent that relieves pain without causing loss of consciousness.
Sublimation: The phase transition of a substance directly from the solid to the gas phase without passing through a liquid state.

Formulas

Delta T (K) = Delta T (°C): Relationship for temperature differences between Kelvin and Celsius scales
K = °C + 273: Conversion formula from Celsius to Kelvin
CaSO4 . 1/2 H2O: Chemical formula of Plaster of Paris (calcium sulfate hemihydrate)
(NH2)2CO: Chemical formula of urea
CaOCl2: Chemical formula of bleaching powder (calcium hypochlorite)

Exam tips and traps

While raw temperature values differ significantly between Celsius and Kelvin scales, temperature change (Delta T) remains numerically identical.
Do not confuse nitrous oxide (N2O, laughing gas) with nitric oxide (NO) or nitrogen dioxide (NO2) in exam options.

Quick revision

Read these the night before the exam.

Natural rubber is an addition polymer of isoprene.
Rutherford discovered the atomic nucleus using alpha particle scattering on gold foil.
Sericulture denotes the commercial rearing of silkworms for raw silk.
Cotton fibers are surface fibers obtained from seed coats and consist of cellulose.
Water temporary hardness is caused by bicarbonates of calcium and magnesium.
Rayon is an artificial silk manufactured from regenerated wood cellulose pulp.
Aqua regia is formulated with 3 parts concentrated HCl to 1 part concentrated HNO3.
Plaster of Paris is calcium sulfate hemihydrate with the formula CaSO4 . 1/2 H2O.
Dry ice is solid carbon dioxide that sublimes directly into gaseous carbon dioxide.
Water displays maximum density and minimum volume at 4 degrees Celsius (277 K).
Commercial urea contains 46% nitrogen and was the first synthetic organic compound prepared in a laboratory.
The toxic gas leaked in the 1984 Bhopal Gas Tragedy was methyl isocyanate (MIC).

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दैनिक जीवन में विज्ञान (Super TET सम्पूर्ण अल्टीमेट मास्टर नोट्स)
यह वीडियो प्राथमिक शिक्षक भर्ती (Super TET) के विज्ञान विषय के पहले टॉपिक 'दैनिक जीवन में विज्ञान' का सैद्धांतिक अध्ययन कराता है। इसमें ताप-मापन, ऊन निर्माण प्रक्रिया, प्रमुख मापक यंत्र, मात्रक एवं भौतिक राशियां विस्तार से समझाई गई हैं। साथ ही NCERT और SCERT पर आधारित महत्वपूर्ण रसायन, अम्ल, सूचक, मिश्रधातुएं और प्लास्टिक से संबंधित तथ्य प्रस्तुत किए गए हैं।
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