Science Quiz on Biological Concepts

Water-Soluble Vitamin

• Vitamin C is a water-soluble vitamin

Sunset

• The difference between an actual sunset and a civil sunset is 2 minutes

Study of Flowers

• The study of flowers is called anthology

Zinc Ore

• Zinc ore is known as zinc blende

Human Eye

• The far point of a normal human eye is at infinity
• The near point of a human eye is at 25 centimetres

Excess Water in Plants

• The excess water in a plant is removed through the process of transpiration

Gum Material

• Calcium phosphate is the material which makes up tooth enamel

Photography

• An organic acid is used in photography

Cinema Screen

• A real image is always formed on a cinema screen

Photosynthesis

• Leaves are the part of the plant that are the organ for the process of photosynthesis

Tamarind

• Tamarind contains tartaric acid

Danger Signal

• Red is a color used as a danger signal

Gas Exchange in Plants

• Stomata are present in plants for gas exchange

Redox Reaction

• Oxidation-reduction reaction is called a Redox reaction

Viscosity

• Honey has higher viscosity compared to water

Kilowatt Hour

• Kilowatt hour is the unit of energy

Sulphuric Acid

• When dilute sulfuric acid is sprinkled on zinc granules, hydrogen gas is evolved.

Lungs

• The shape of the lungs is conical

Filament of Electric Bulb

• Tungsten is the element used in the filaments of electric bulbs

Photosynthetic Reaction

• Plants perform a photochemical reaction in the presence of sunlight to create food

Nitrogen Rich Fertilizer

• Ammonium nitrate is a nitrogen-rich fertilizer

Digestion of Food

• The digestion of food is an oxidation reaction

Resistor

• Ohm is the unit of resistance

Reactivity of Elements

• Zinc and lead are more reactive than copper

Hormone

• Bayliss and Starling coined the term hormone

Device for Generating Current

• Dynamo is the device used for generating electric current

Ripening of Grapes

• Ripening of grapes is a chemical change

Bones and Teeth

• Tricalcium phosphate is the component bones and teeth are generally made of

Magnet

• When a magnet is divided into two equal parts, each part has equal magnetic strength, but smaller in size.

Litmus

• Litmus is a purple dye extracted from lichens

Mirror

• The breadth of a mirror is called the aperture

Bleaching Powder

• Bleaching powder is obtained when chlorine gas reacts with slaked lime

Oxygen

• Oxygen is an enzyme

Biological Processes

• Nutrition, excretion, and respiration are biological processes

Solar Cooker

• A concave mirror is used in a solar cooker

pH of Human Blood

• The pH of normal human blood is between 7.35 and 7.45

Natural Indicators

• Turmeric and litmus paper are natural indicators

Dung Beetle

• Dung beetle is a saprophytic organism

Lens for ENT

• A concave lens is used by doctors to check the ear, nose, and throat of patients

Antacid

• Antacids are used to cure indigestion

CO2 in Atmosphere

• CO2 is found in the atmosphere at around 0.03 percent

Temperature and Resistance

• When the temperature of pure silicon increases, its resistance decreases

Oxidation

• Rusting, combustion, digestion of food, and respiration are oxidation processes

Shade-Loving Plants

• Plants that grow in shade are known as sciophytes

Car Mirror

• A convex mirror is used by car drivers

Burning of Natural Gas

• The burning of natural gas is an exothermic reaction

Main Respiratory Organ

• Lungs are the main respiratory organ in humans

Reason Tyres are Grooved

• Tyres are grooved for increased friction, enabling better vehicle grip.

Torchlight

• A parallel beam of light is emitted from a torch

Image Formed on Retinal

• The image formed on the retina of a normal human eye is real and inverted

Respiratory Related Ailments

• TB and pneumonia are respiratory ailments

Color of Copper Oxide

• The color of copper oxide is black

Adjustment in Human Eye

• Ciliary muscles are important in eye adjustment

Mars Atmosphere

• Methane gas is present in the Martian atmosphere

Conversion of Vegetables to Compost

• The conversion of vegetables to compost is an example of decomposition

Hypertension

• Hypertension is characterized by high blood pressure

pH of Sodium Hydroxide

• The pH of sodium hydroxide is 14

Law of Segregation

• Mendel proposed the law of segregation

Lens Used in Myopia

• A concave lens is used in glasses for myopia

Burning of Magnesium

• Burning magnesium emits a white light

Founder of Biology

• Aristotle is known as the father of biology

Pupil Size in Brightness

• Pupil size decreases in bright light

Heterogeneous Mixture

• Plaster of Paris (POP) is a heterogeneous mixture

Father of Botany

• Theophrastus is known as the father of botany

Structure of Haemoglobin

• Iron is a component of haemoglobin structure

pH of Lemon Juice

• The pH of lemon juice is around 2.23

Origin of the Word Botany

• The origin of the word botany is from the Greek language

Hypermetropia

• A person with hypermetropia can clearly see distant objects, but not nearby ones.

Treatment for Bee Sting

• Baking soda is an effective treatment for a bee sting

Phycology

• Algae are the subject of study in phycology

Blind Spot

• The blind spot in human eyes is where the optic nerve exits

Toothpaste

• Fluoride toothpaste is recommended for preventing tooth decay

Yeast

• Yeast is a type of fungus

Study of Environment

• Ecology studies the environment

Lens in Human Eyes

• A convex lens is present in a human eye

Conductor

• Silver and gold are good conductors of electricity

Sunrise and Sunset

• The sun appears red during sunrise and sunset

Dendrology

• The study of shrubs falls under dendrology

Metal that Can be Cut with a Knife

• Sodium is a metal that can be cut with a knife

Location of Microorganisms

• Microorganisms are found in water, air, and soil

Material Used to Make Electromagnet

• Soft iron rod is used for electromagnets

Properties of Allotropes

• Allotropes have high melting and boiling points

Cyanocobalamin

• Vitamin B12 is also known as cyanocobalamin

Viruses

• Viruses multiply inside living cells

Discovery of Electromagnetic Radiation

• Faraday discovered electromagnetic radiation

Source of Tapioca

• Tapioca comes from the cycas plant

Pomology

• Pomology studies fruits

Appendix

• The appendix is connected to the large intestine

Food Translocation in Plants

• Sucrose is the main mode of food translocation in plants

Unit of Electric Current

• Ampere is the unit for measuring electric current

Linnaean Taxonomic System

• Linnaeus introduced the Linnaean taxonomic system

Discovery of Bacteria

• Antony van Leeuwenhoek discovered bacteria

Flowerless Plants With Seeds

• Gymnosperms are seed-producing plants without flowers

Shape of Bacteria

• Bacteria commonly have rod-shaped, spherical, or spiral shapes