9th Class Chemistry Chapter 1 MCQs with Answers

Welcome to the 9th Class Chemistry Chapter 1 MCQs Practice and Quiz Tests. We are presenting you with top MCQ questions from the 9th Class Chemistry Chapter 1 Fundamentals of Chemistry.

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9th Class Multiple Choice Question Chapter 1 with Answers Free PDF

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Grade 9 Chemistry Chapter 1 Online Quiz

By presenting 3 options to choose from, 9th Class Chapter 1 Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of 9th Class Questions and Answers and click over the correct answer.

• Test Name: 9th Class Chemistry Chapter 1 Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure high marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply comment below this post, so that we can update the answer in the quiz section.

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9th Class Chemistry Ch 1: Fundamentals of Chemistry

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1 / 40

What process allows plants to make their own food?

Respiration

Photosynthesis

Fermentation

2 / 40

What is the largest organ in the human body?

Skin

Liver

Heart

3 / 40

What is the basic building block of proteins?

Nucleic acids

Amino acids

Fatty acids

4 / 40

What is the role of white blood cells in the immune system?

Clot blood

Fight infections

Carry oxygen

5 / 40

What is the chemical formula for water?

H₂O

CO₂

O₂

6 / 40

What is the process by which plants lose water to the atmosphere?

Evaporation

Respiration

Transpiration

7 / 40

Which gas is responsible for the greenhouse effect?

Carbon dioxide

Nitrous oxide

Methane

8 / 40

What is the function of the mitochondria in a cell?

Energy production

Protein synthesis

Storage of genetic material

9 / 40

What is the primary function of the circulatory system?

Transport nutrients and oxygen

Respiration

Digestion

10 / 40

What is the largest ocean on Earth?

Indian Ocean

Atlantic Ocean

Pacific Ocean

11 / 40

What molecule stores genetic information in cells?

DNA

RNA

Protein

12 / 40

What is the function of the ribosomes in a cell?

Protein synthesis

Energy production

Storage of genetic material

13 / 40

What is the purpose of the Krebs cycle in cellular respiration?

Synthesize DNA

Generate energy-rich molecules

Break down glucose

14 / 40

What is the purpose of the scientific method?

Intuition

Systematic investigation

Guessing

15 / 40

Which gas is responsible for the blue color of the sky?

Ozone

Nitrogen

Oxygen

16 / 40

Which gas do plants absorb during photosynthesis?

Nitrogen

Carbon dioxide

Oxygen

17 / 40

What is the function of the lens in the eye?

Detect color

Focus light

Produce tears

18 / 40

What is the role of hemoglobin in the blood?

Transport oxygen

Fight infections

Clot blood

19 / 40

What is the function of the endoplasmic reticulum in a cell?

Lipid synthesis

Protein synthesis

Energy production

20 / 40

In what phase of mitosis do the chromosomes align at the cell's equator?

Anaphase

Prophase

Metaphase

21 / 40

Which gas makes up the majority of Earth's atmosphere?

Nitrogen

Oxygen

Carbon dioxide

22 / 40

What is the chemical symbol for gold?

Fe

Au

Ag

23 / 40

Which gas do humans exhale during respiration?

Oxygen

Nitrogen

Carbon dioxide

24 / 40

What is the main function of the nervous system?

Circulation

Transmit signals

Digestion

25 / 40

Who is known as the father of modern genetics?

Charles Darwin

Louis Pasteur

Gregor Mendel

26 / 40

What is the process by which an organism develops from a fertilized egg?

Metamorphosis

Development

Reproduction

27 / 40

In what organelle does cellular respiration occur?

Nucleus

Chloroplast

Mitochondria

28 / 40

What is the smallest bone in the human body?

Tibia

Stapes

Femur

29 / 40

What is the process by which cells break down glucose to release energy?

Cellular Respiration

Fermentation

Photosynthesis

30 / 40

Which scientist proposed the theory of evolution by natural selection?

Charles Darwin

Gregor Mendel

Alfred Russel Wallace

31 / 40

What is the name of the process by which a cell divides into two identical daughter cells?

Mitosis

Meiosis

Binary Fission

32 / 40

What is the basic unit of life?

Tissue

Cell

Organ

33 / 40

Which part of the flower produces pollen?

Petal

Anther

Stigma

34 / 40

What is the study of classification and naming of organisms?

Taxonomy

Ecology

Genetics

35 / 40

Which planet is known as the Red Planet?

Venus

Jupiter

Mars

36 / 40

Which organelle is the powerhouse of the cell?

Endoplasmic Reticulum

Nucleus

Mitochondria

37 / 40

What is the pH scale used to measure?

Temperature

Pressure

Acidity or alkalinity

38 / 40

What is the purpose of the enzyme amylase?

Breaking down fats

Synthesis of proteins

Digestion of starch

39 / 40

What is the powerhouse of plant cells?

Vacuole

Chloroplast

Golgi apparatus

40 / 40

What is the role of the Golgi apparatus in a cell?

Synthesize DNA

Energy production

Modify and package proteins

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