The function of white blood cells is: A. Carry oxygenB. Fight infectionsC. Produce insulinD. Produce bile Which vitamin helps in vision? A. Vitamin CB. Vitamin DC. Vitamin AD. Vitamin K The chemical formula of water is: A. CO2B. H2C. H2OD. O2 Which planet is known as the Red Planet? A. VenusB. JupiterC. MarsD. Mercury The part of the eye that controls the amount of light entering is: A. LensB. RetinaC. CorneaD. Iris What is the main component of bones? A. CollagenB. FatC. CalciumD. Iron The Earth’s inner core is made mostly of: A. OxygenB. Iron and NickelC. CarbonD. Magnesium Which…
Month: September 2025
Which organ pumps oxygenated blood to the body? A. LungsB. KidneyC. HeartD. Liver The natural satellite of the Earth is: A. MarsB. MoonC. VenusD. Sun Lightning is caused by: A. Friction between cloudsB. Electric dischargeC. EarthquakesD. Magnetic storms Which gas makes up about 21% of Earth’s atmosphere? A. NitrogenB. Carbon dioxideC. OxygenD. Argon The process by which plants lose water through leaves is called: A. EvaporationB. TranspirationC. CondensationD. Sublimation The largest planet in our solar system is: A. EarthB. SaturnC. JupiterD. Uranus The unit of electric resistance is: A. AmpereB. OhmC. VoltD. Watt The part of the eye that focuses…
The process by which plants make their own food is called: A. RespirationB. PhotosynthesisC. DigestionD. Transpiration The boiling point of water at sea level is: A. 90°CB. 80°CC. 100°CD. 120°C Which gas do humans inhale for survival? A. Carbon dioxideB. NitrogenC. OxygenD. Hydrogen The main source of energy for the Earth is: A. MoonB. SunC. StarsD. Earth’s core Which part of the plant absorbs water from the soil? A. StemB. FlowerC. RootsD. Leaf The hardest natural substance on Earth is: A. GoldB. SilverC. DiamondD. Quartz The chemical symbol for water is: A. H2B. O2C. H2OD. CO2 Humans have how many…
The half life of a radioactive element is 8 days. How long will it take to reduce it from 10mg to 5mg? (a) 4 days (b) 12 days (c) 16 days (d) 8 days The term “Blue Shift” is used to indicate: (a) Doppler effect in which an object appears bluer when it is moving toward the observer or observer is moving toward the object (b) Turning a star from white to blue (c) In future sun would become blue (d) Black hole was blue at its start Kilowatt-hour is a unit of: (a) Power (b) Electric current (c) Energy (d) Time Fuel…
Acoustics is the science of: (a) Light (b) Waves (c) Sound (d) Colours The art of breeding Silkworm and production of Silk is called: (a) Microbiology (b) Sericulture (c) Biochemistry (d) Horticulture The science of celestial bodies is known as: (a) Agronomy (b) Coprology (c) Astrology (d) Astronomy Telepathy is: (a) Communication by sensory perceptions (b) Communication between mind and heart (c) Communication by means other than sensory perceptions (d) None of these Pedagogy is the science of: (a) Seeing (b) Behaving (c) Teaching (d) Learning Study of maps and features of the Universe is called: (a) Metaphysics (b) Cosmography (c) Cosmology (d) Cartography Scientific study and measurement of behaviour is called: (a) Psychiatry (b) Psychology (c) Physiology (d) Psychoanalysis Paediatrics…
The best colour(s) for a sun umbrella will be: (a) Black (b) Black on top and white on the inside (c) White on top and black on the inside (d) All seven colours of rainbow A light year is: (a) 8.46 trillion kilometres (b) 9.46 trillion kilometres (c) 10.46 trillion kilometres (d) None of these What is the main component of bones and teeth? (a) Calcium carbonate (b) Calcium phosphate (c) Calcium sulphate (d) Calcium nitrate The human cell contains: (a) 44 chromosomes …
Carbon dioxide enters a leaf of a plant via: (a) Stomata (b) Stem (c) Roots (d) Flowers Kharif crops include: (a) Wheat (b) Cotton (c) Both of these (d) None of these Genetically Modified Organism (GMO) is the term used for the organism produced through the application of: (a) Genetic Engineering (b) Mendelian Genetics (c) Both of these (d) None of these Ginger is a: (a) Tuber (b) Rhizome (c) Bulb (d) None of these Which of the following is useful…
The process of photosynthesis in plants takes place in: (a) Stem (b) Leaf (c) Flower (d) Root Which of the following substances is used in match sticks? (a) Zinc (b) Sulphur (c) Phosphorous (d) Acid Which component of the diet prevents constipation? (a) Minerals (b) Fiber (c) Protein (d) Vitamins Which food contains the highest concentration of protein and iron? (a) Fruits (b) Vegetables (c) Bread (d) Meat Substances which bring down the body temperature are known as: (a) Antibiotics (b) Analgesics (c) Antipyretics (d) Formalin An enzyme which converts a dipeptide into separate amino acids is an example of: (a) Decarboxylase (b) Hydrolase (c) Oxidoreductase (d) Transferase Recording of brain waves from outer surface of…
Method for the preparation of varnish was discovered by: (a) Jabir bin Hayyan (b) Muhammad bin Zikrya Al-Razi (c) Al-Beruni (d) Ibn al-Haitham Enzymes are made of: (a) Oil (b) Carbon (c) Silica (d) Proteins One ounce is equal to how many grams? (a) 28.65 (b) 27.95 (c) 28.35 (d) 28.85 Only object of earth can be seen from Moon. What is it? (a) A Lighthouse (b) Hanging Garden (c) Great Wall of China (d) None of these Wind blowing in a spiral form around a region of low atmospheric pressure is a: (a) Hurricane (b) Cyclone (c) Anticyclone (d) Tornado When the…
Earth takes about ______ to complete 1 rotation around its axis. (a) 48 hours (b) 24 hours (c) One month (d) None of these When a gas turns into a liquid, the process is called ______. (a) Deposition (b) Evaporation (c) Condensation (d) None of these Yeast used in making of bread is a ______. (a) Fungus (b) Plant (c) Bacteria (d) None of these The disease diphtheria affects the ______ in the human body. (a) Kidneys (b) Throat (c) Intestines (d) None of these Liquids that evaporate quickly are known as ______ liquids. (a) Viscous (b) Volatile (c) Transient (d) None of these If a ship travels from freshwater to a sea or ocean,…