9th Class Biology Chapter 9 MCQs with Answers

AdminApril 1, 2024

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Welcome to the 9th Class Biology Chapter 9 MCQs Practice and Quiz Tests. We are presenting you with top MCQ questions from the 9th Class Biology Chapter 9 Transport.

You can find all the 9th Class Biology Chapter 9 MCQs online tests on our website. These online tests are great for learning and as well as for scoring maximum marks in your Matriculation Exams. We are making these Class 9 Biology MCQs online tests for those who want full marks in their exams.

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

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Grade 9 Biology Chapter 9 Online Quiz

By presenting 3 options to choose from, 9th Class Chapter 9 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 Chapter 9 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.

9th Class Biology Ch 9: Transport

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1 / 40

In the human circulatory system, what is the name of the valve between the left atrium and the left ventricle?

Tricuspid valve

Aortic valve

Mitral valve

2 / 40

What is the term for the opening on the surface of leaves that allows for gas exchange?

Phloem

Xylem

Stomata

3 / 40

What is the role of the lymphatic system in transport?

Oxygen transport

Carrying nutrients to cells

Draining excess tissue fluid and transporting immune cells

4 / 40

What is the primary function of the circulatory system?

Transporting nutrients and oxygen to cells

Producing hormones

Digesting food

5 / 40

What is the process of moving molecules from an area of high concentration to an area of low concentration without the use of energy?

Passive transport

Facilitated diffusion

Active transport

6 / 40

What is the function of the myelin sheath in the nervous system?

Support and protect neurons

Insulate and speed up the transmission of nerve impulses

Produce neurotransmitters

7 / 40

Which type of transport requires energy to move molecules against their concentration gradient?

Active transport

Osmosis

Passive transport

8 / 40

In the human circulatory system, what is the name of the vessel that carries deoxygenated blood from the body to the right atrium?

Pulmonary artery

Aorta

Vena cava

9 / 40

In plant cells, what is responsible for the transport of water from roots to leaves?

Phloem

Stomata

Xylem

10 / 40

In the human circulatory system, what is the name of the vessel that carries oxygenated blood from the heart to the rest of the body?

Vena cava

Aorta

Pulmonary vein

11 / 40

What is the primary function of veins in the circulatory system?

Carry blood away from the heart

Return blood to the heart

Exchange gases in the lungs

12 / 40

What is the term for the network of vessels that transport blood throughout the body?

Endocrine system

Nervous system

Vascular system

13 / 40

What is the primary function of the cilia in the respiratory system?

Move mucus and particles out of the respiratory tract

Produce surfactant for lung expansion

Exchange gases in the alveoli

14 / 40

What is the term for the process of moving substances out of a cell by merging vesicles with the cell membrane?

Osmosis

Exocytosis

Endocytosis

15 / 40

Which blood component is responsible for oxygen transport?

White blood cells

Red blood cells

Platelets

16 / 40

Which blood vessel carries oxygenated blood from the lungs to the heart?

Pulmonary arteries

Aorta

Pulmonary veins

17 / 40

What is the main function of the red blood cells in the circulatory system?

Clot blood

Fight infections

Transport oxygen to body tissues

18 / 40

What is the role of the sodium-potassium pump in cells?

Actively transports sodium out and potassium into the cell to maintain ion balance

Produces energy for cellular activities

Facilitates passive transport of ions

19 / 40

Which type of blood vessels have thin walls that allow for the exchange of gases, nutrients, and waste products with tissues?

Veins

Capillaries

Arteries

20 / 40

What is the term for the pressure exerted by blood against the walls of blood vessels during heart contractions?

Blood pressure

Pulse rate

Respiratory rate

21 / 40

What is the main function of the tricuspid valve in the heart?

Prevents backflow of blood from the right ventricle to the right atrium

Regulates blood pressure

Controls blood flow from the left atrium to the left ventricle

22 / 40

What is the function of the contractile vacuole in some single-celled organisms?

Regulate water content by expelling excess water

Store waste products

Digest nutrients

23 / 40

What is the role of hemoglobin in red blood cells?

Fight infections

Bind and transport oxygen

Clot blood

24 / 40

In the human circulatory system, what is the name of the valve between the left ventricle and the aorta?

Aortic valve

Tricuspid valve

Mitral valve

25 / 40

What is the name of the process by which cells engulf liquids by forming vesicles?

Phagocytosis

Exocytosis

Pinocytosis

26 / 40

What is the primary function of the respiratory system in transport?

Pumping blood

Transporting nutrients

Exchange of gases (oxygen and carbon dioxide)

27 / 40

What is the term for the movement of water across a selectively permeable membrane from an area of high water concentration to an area of low water concentration?

Active transport

Osmosis

Diffusion

28 / 40

What is the primary function of the phloem in plants?

Transporting sugars produced in photosynthesis

Providing structural support

Transporting water and minerals

29 / 40

In the nervous system, what is the term for the junction between two nerve cells where the transmission of impulses occurs?

Axon

Synapse

Myelin sheath

30 / 40

What is the term for the movement of molecules from an area of low concentration to an area of high concentration with the use of energy?

Active transport

Facilitated diffusion

Passive transport

31 / 40

What is the function of the nephron in the kidney?

Production of urine

Filtration and reabsorption of substances from the blood

Regulation of blood pressure

32 / 40

In the human circulatory system, what is the name of the valve between the right atrium and the right ventricle?

Tricuspid valve

Aortic valve

Mitral valve

33 / 40

What is the name of the process where cells take in large particles by engulfing them with their cell membrane?

Osmosis

Exocytosis

Endocytosis

34 / 40

What is the function of the spleen in the circulatory system?

Filter and remove old or damaged blood cells

Regulate blood pressure

Produce red blood cells

35 / 40

What is the term for the rhythmic contraction of the heart that pumps blood into the circulatory system?

Digestive cycle

Cardiac cycle

Respiratory cycle

36 / 40

In the human circulatory system, what is the name of the large blood vessel that carries blood away from the heart?

Capillary

Vein

Artery

37 / 40

What is the name of the process where white blood cells engulf and digest foreign particles or bacteria?

Exocytosis

Phagocytosis

Pinocytosis

38 / 40

What is the function of the alveoli in the respiratory system?

Site of gas exchange in the lungs

Filters air entering the lungs

Produces mucus to trap particles

39 / 40

In the digestive system, what transports nutrients from the small intestine to the rest of the body?

Lymphatic vessels

Nerves

Blood vessels

40 / 40

What is the name of the process by which water molecules move across a selectively permeable membrane?

Osmosis

Active transport

Diffusion

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AdminApril 1, 2024

0 7 1 minute read