Student Questions

What percentage of the Earth's surface is covered by oceans, making their conservation vital for the planet? A. 50% B. 60% C. 71% D. 85%

What is a "compact city" model, aimed at sustainability? a) Sprawling residential areas far from the city center. b) A city with high-density, mixed-use development to reduce transport needs. c) Cities designed only for vehicle traffic. d) Cities with no public transportation.

Which of the following is a major contributor to air pollution in urban areas? a) Solar energy usage b) Exhaust fumes from motor vehicles c) Green roofing d) Bicycling

A Green Warrior team in a city is promoting "source segregation." What does this mean? a) Segregating dry, wet, and hazardous waste at the point of generation. b) Dumping all waste in a single landfill. c) Burning waste to reduce volume. d) Recycling plastics only.

Q1. What does "Sustainable Development Goal 11" (SDG 11) focus on? a) Life Below Water b) Sustainable Cities and Communities c) Affordable and Clean Energy d) Zero Hunger

The rate at which water can pass through soil particles is called _____. A.Liquidity of soil B.Flow rate C.Permeability of soil D.Softness of soil

What is the correct classification for fish? A.Warm-blooded invertebrates B.Warm-blooded vertebrates C.Cold-blooded invertebrates D.Cold-blooded vertebrates

Which of the following is good conductor of electricity? A.Plastic B.Wood C.Graphite D.Diamond

Following letters indicate temperature in celcius P 100 C Q 0 C R 45 C S 110 C At what temperature will water be in both liquid and gaseous state? A.S B.P C.R D.Both b and c

Spinning of a top is an example of A.Rotatory motion B.Translatory motion C.Vibratory motion D.Oscillatory motion

Two substances X and Y are mixed together. Substance X is medium size particles. Substance Y is liquid and lighter than substance X. Which separation technique can be used to separate both substances? A.Evaporation B.Filtration C.Sedimentation and Decantation D.Sieve

Two substances X and Y are mixed together. Substance X is medium size particles. Substance Y is liquid and lighter than substance X. Which separation technique can be used to separate both substances? A.Evaporation B.Filtration C.Sedimentation and Decantation D.Sieve

If A represents alcohol, B represents duster, C represents carbondioxide and D represents water, then which of the following statements is/are true? i ) B has least force of attraction ii) Only A and B are non compressible. iii) C is lighter than D iv) A is the universal solvent.

What is the state of material deep below the Earth's surface? A.Hot solid rocks B.Hot molten rocks C.Cold frozen rocks D.Molten gases

Which of the following will dissolve into water? A.Carbondioxide B.Chalk powder C.Sand D.Oil

Which animal "plays dead" when it thinks it is in danger? A.Opossum B.Squirrel C.Rat D.elephant

Which of the following correctly represents the electronic configuration of Magnesium (Atomic Number = 12)? A. 2, 8, 1 B. 2, 8, 2 C. 8, 2, 2 D. 2, 2, 8

Isotopes of an element have: A. The same mass number but different atomic numbers B. The same atomic number but different mass numbers C. The same number of neutrons D. Different chemical properties

The maximum number of electrons that can be accommodated in the 'M' shell is: A. 8 B. 18 C. 32 D. 2

Which subatomic particle was discovered by James Chadwick in 1932? A. Proton B. Electron C. Neutron D. Positron