MCQ on The Wonderful World of Science Class 6
Class 6 Science Chapter 1 MCQ The Wonderful World of Science
Multiple Choice Questions :
Question 1.
Science is primarily about:
(a) Memorising facts
(b) Conducting experiments
(c) Understanding the natural world
(d) Solving mathematical problems
Answer:
(c) Understanding the natural world
Explanation: Science is a systematic approach to understanding the world around us, from the smallest particles to the vast universe.
Question 2.
The foundation of scientific inquiry is:
(a) Curiosity
(b) Experimentation
(c) Observation
(d) Hypothesis
Answer:
(a) Curiosity
Explanation: Curiosity drives scientists to ask questions and seek answers, leading to scientific exploration.
Question 3.
Which of the following is NOT a core scientific concept?
(a) Life on Earth
(b) Food and Water
(c) Mâterials Around Us
(d) Astrology
Answer:
(d) Astrology
Explanation: Astrology is a belief system, while the other options are scientific concepts related to the natural world.
Question 4.
Assertion (A): The scientific method is a linear process.
Reason (R): Scientists follow a fixed set of steps in every experiment.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer:
(a) Both A and R are true and R is the correct explanation of A.
Explanation: While the scientific method involves steps, it’s not strictly linear. Scientists often iterate and revisit steps based on new findings.
Question 5.
The scientific method involves:
(a) Making a hypothesis and proving it right
(b) Following a rigid set of steps
(c) Observing, hypothesising, testing, and drawing conclusions
(d) Only conducting experiments in a laboratory
Answer:
(c) Observing, hypothesising, testing, and drawing conclusions
Explanation: The scientific method is a flexible process of inquiry that involves observing, hypothesizing, testing, and drawing conclusions as key steps.
Question 6.
Match the following:
| A. Ecology | i. Study of the Earth’s atmosphere |
| B. Geology | ii. Study of living organisms and their environment |
| C. Meteorology | iii. Study of the Earth’s structure and composition |
| D. Astronomy | iv. Study of celestial objects |
(a) A-i, B-ii, C-iii, D-iv
(b) A-ii, B-iii, C-i, D-iv
(c) A-iii, B-iv, C-ii, D-i
(d) A-iv, B-i, C-iii, D-ii
Answer:
(b)
| A. Ecology | ii. Study of living organisms and their environment |
| B. Geology | iii. Study of the Earth’s structure and composition |
| C. Meteorology | i. Study of the Earth’s atmosphere |
| D. Astronomy | iv. Study of celestial objects |
Explanation: Ecology studies interactions between organisms and their environment.
- Geology focuses on the Earth’s structure and composition.
- Meteorology studies the atmosphere and weather patterns.
- Astronomy studies celestial objects and phenomena.
Question 7.
Why is curiosity important in science?
(a) It helps scientists win awards.
(b) It leads to new questions and discoveries.
(c) It makes science more interesting.
(d) It is not important for science.
Answer:
(b) It leads to new questions and discoveries.
Explanation: Curiosity drives scientists to explore unknown areas and make new breakthroughs.
Question 8.
How does science help us to understand the world?
(a) By providing answers to all questions.
(b) By giving us magical powers.
(c) By revealing patterns and relationships in nature.
(d) By creating complex theories.
Answer:
(c) By revealing patterns and relationships in nature.
Explanation: Science helps us uncover the underlying order and connections in the natural world.
Question 9.
Which of the following is an example of applying the scientific method in daily life?
(a) Watching a movie
(b) Cooking a meal
(c) Sleeping
(d) Daydreaming
Answer:
(b) Cooking a meal
Explanation: Cooking involves following a recipe, making adjustments based on observations, and achieving a desired outcome, similar to the scientific method.
Question 10.
Assertion (A): Water is essential for life.
Reason (R): Water is a solvent and helps in transportation of nutrients.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
Answer:
(a) Both A and R are true and R is the correct explanation of A.
Explanation: Water is essential for life as it serves as a solvent, aids in transportation of nutrients, and regulates body temperature.
Passage Based Questions :
I. Read the given passage below and answer the questions that follow:
Science is a systematic way of thinking, observing, and experimenting to understand our surroundings. Think of Science as an adventure. We ask questions, explore, and try to understand how things work.
Question 1.
The main objective of science is to:
(a) Collect and memorize data
(b) Gain insight into the natural world
(c) Perform laboratory experiments
(d) Solve complex equations
Answer:
(b) Gain insight into the natural world
Explanation: The essence of science lies in exploring and understanding the natural world around us. Although it may involve collecting data, conducting experiments, and using mathematics, the ultimate goal is to understand natural phenomena.
Question 2.
Which of the following best describes the approach of science?
(a) A rigid set of rules
(b) A systematic inquiry
(c) A purely theoretical pursuit
(d) A random exploration
Answer:
(b) A systematic inquiry
Explanation: Science follows a methodical process involving observation, hypothesis formation, experimentation, data analysis, and conclusion. It’s a structured approach of exploring and understanding the natural world.
Question 3.
According to the passage, what is the fundamental step in the scientific process?
(a) Memorization of facts
(b) Making assumptions
(c) Observing and inquiring
(d) Eliminating errors
Answer:
(c) Observing and inquiring
Explanation: The passage highlights that science revolves around “thinking, observing, and experimenting.” The key to the scientific process is observing the world and asking questions, as this curiosity and inquiry form the foundation of scientific exploration.
Question 4.
What are the three key activities involved in the scientific process?
Answer:
The three key activities involved in the scientific process are thinking, observing, and experimenting.
Question 5.
Why is science compared to an adventure?
(a) It brings unexpected discoveries.
(b) It creates new things.
(c) It only provides information about outer world.
(d) It involves exploration, curiosity, and seeking answers.
Answer:
(d) It involves exploration, curiosity, and seeking answers.
Explanation: Science is compared to an adventure as it involves exploration, curiosity, and seeking answers.
II. Read the given passage below and answer the questions that follow:
Study the table and give answers.
| Field of Science | Application in Daily Life |
| Biology | Understanding human body functions, agriculture, medicine. |
| Chemistry | Cooking, cleaning, medicine production. |
| Physics | Electronics, transportation, energy generation. |
| Earth Science | Weather forecasting, natural resource management, disaster preparedness. |
Question 1.
Which field of science is primarily involved in weather forecasting?
(a) Biology
(b) Chemistry
(c) Physics
(d) Earth Science
Answer:
(d) Earth Science
Explanation: Earth science deals with the study of the Earth and its atmosphere, which is crucial for understanding weather patterns.
Question 2.
The application of chemistry in our daily lives can be seen in:
(a) Playing a musical instrument
(b) Cooking a meal
(c) Driving a car
(d) Observing stars
Answer:
(b) Cooking a meal
Explanation: Chemistry is involved in understanding the chemical reactions that occur while cooking food, such as baking, frying, or boiling.