Our Environment Quiz

Look at the flowchart. Which of these statements best explains how both abiotic and biotic factors are shown in the flowchart?

1. Only living things are in the chart
2. Non-living things help start the food chain
3. The sun and soil affect only animals
4. The chart only shows biotic factors like grass and animals

Answer: (b) Non-living things help start the food chain

Which environment is likely to be the hottest based on the table below? Environment Sunlight Hours Temperature A 10 30°C B 6 25°C C 8 28°C D 12 35°C

1. Environment A
2. Environment B
3. Environment C
4. Environment D

Answer: (d) Environment D

Which sentence BEST explains the difference between renewable and non-renewable resources?

1. Renewable resources are natural, and non-renewable are artificial.
2. Renewable resources can replenish quickly, while non-renewable take millions of years to form.
3. Renewable resources are used for vehicles, while non-renewable are used for houses.
4. Renewable resources harm the environment more than non-renewable resources.

Answer: (b) Renewable resources can replenish quickly, while non-renewable take millions of years to form.

Match each pollution source with its effect using logic. Source Effect 1 Firecrackers A Contaminated drinking water 2 Factory Smoke B Hearing loss in animals 3 Loudspeakers C Breathing problems 4 Oil Spills D Marine animal deaths

1. 1-C, 2-A, 3-B, 4-D
2. 1-B, 2-C, 3-A, 4-D
3. 1-C, 2-D, 3-B, 4-A
4. 1-B, 2-C, 3-A, 4-D

Answer: (d) 1-B, 2-C, 3-A, 4-D

Which of the following resources belongs exclusively in Circle A?

1. Petroleum
2. Coal
3. Sunlight
4. Natural Gas

Answer: (c) Sunlight

Your school has two bins as shown. You are holding the following items: 1. An empty milk carton 2. A leftover sandwich 3. A glass bottle 4. A used paper napkin Which items should go in the green bin?

1. Milk carton and glass bottle
2. Glass bottle and sandwich
3. Sandwich and paper napkin
4. Milk carton and paper napkin

Answer: (c) Sandwich and paper napkin

Consider the following statements and choose the correct option: Statement A: Non-biodegradable substances improve soil fertility by adding essential nutrients. Statement B: Non-biodegradable substances like metal cans can cause harm to animals if not properly disposed of.

1. Statement A is correct and Statement B is wrong
2. Statement B is correct and Statement A is wrong
3. Both statements are correct
4. Both statements are wrong

Answer: (b) Statement B is correct and Statement A is wrong

Read the statements below and identify the wrong ones correctly: 1. We should add colourful powder to drinking water to make it smell better after a flood. 2. We should boil and filter drinking water to make it safer after a flood. 3.Freezing drinking water for many hours does not make it safe. 4. Mixing drinking water with river water makes it safer after a flood.

1. 1 and 4
2. 2 and
3. 1 and 2
4. 1 and 3

Answer: (a) 1 and 4

Which of the following actions would MOST LIKELY increase soil erosion in an area?

1. Planting grass and shrubs to protect the soil
2. Using terracing techniques on slopes to prevent water runoff
3. Removing large numbers of trees from a hillside
4. Building a dam to control water flow and reduce flooding

Answer: (c) Removing large numbers of trees from a hillside

The flowchart below shows the basic processes that occur in the environment: Step 1: Plants absorb carbon dioxide and release oxygen. Step 2: Animals breathe oxygen and release carbon dioxide. Step 3: Decomposers break down dead plants and animals, releasing nutrients back into the soil. Step 4: Water is absorbed by plants, which help clean the air. Which of the following shows the correct relationship between these steps?

1. Step 1 → Step 2 → Step 3 → Step 4
2. Step 4 → Step 2 → Step 3 → Step 1
3. Step 2 → Step 3 → Step 4 → Step 1
4. Step 3 → Step 4 → Step 1 → Step 2

Answer: (a) Step 1 → Step 2 → Step 3 → Step 4