Life Processes MCQ Set 2

Explore this diverse selection of multiple-choice questions (MCQs) designed for various examinations. Life Processes MCQ Set 2 focuses on essential aspects of the subject, ensuring comprehensive preparation across different categories and fields of study to enhance your knowledge and readiness. The right answers for each question is provided next to respective questions for your convenience, you can either attend the test or dirtectly access the right answers by clicking the show correct answer button

Each correct answer earns 1 mark, while each incorrect answer deducts 0.3 marks.

1. Which part of the digestive system is responsible for nutrient absorption?

A. Mouth

B. Esophagus

C. Stomach

D. Small intestine

2. What is the process by which plants lose water vapor through their leaves?

A. Respiration

B. Photosynthesis

C. Transpiration

D. Absorption

3. Which part of the brain controls voluntary actions?

A. Cerebrum

B. Cerebellum

C. Medulla

D. Pons

4. Which type of blood cells are responsible for clotting?

A. Red blood cells

B. White blood cells

C. Platelets

D. Plasma cells

5. Which hormone regulates blood sugar levels?

A. Thyroxine

B. Insulin

C. Adrenaline

D. Estrogen

6. Which structure in the lungs is the site of gas exchange?

A. Trachea

B. Bronchi

C. Alveoli

D. Diaphragm

7. What is the main waste product removed by the kidneys?

A. Carbon dioxide

B. Urea

C. Oxygen

D. Glucose

8. Which process involves the removal of undigested food from the body?

A. Digestion

B. Absorption

C. Egestion

D. Ingestion

9. Which blood vessel carries deoxygenated blood from the body to the heart?

A. Pulmonary vein

B. Aorta

C. Vena cava

D. Capillary

10. What is the primary role of white blood cells?

A. Transport oxygen

B. Transport nutrients

C. Fight infections

D. Clot blood

11. Which organ produces bile?

A. Pancreas

B. Gallbladder

C. Liver

D. Stomach

12. Which part of the human brain controls balance and coordination?

A. Cerebrum

B. Cerebellum

C. Medulla

D. Hypothalamus

13. Which blood vessel carries oxygenated blood to the body?

A. Pulmonary artery

B. Pulmonary vein

C. Aorta

D. Vena cava

14. Which enzyme breaks down proteins in the stomach?

A. Amylase

B. Trypsin

C. Pepsin

D. Lipase

15. What is the main function of the respiratory system?

A. Transporting nutrients

B. Gas exchange

C. Producing hormones

D. Filtering blood

16. What is the main source of energy for cells?

A. Lipids

B. Proteins

C. Carbohydrates

D. Vitamins

17. Which of the following is a part of the excretory system?

A. Heart

B. Lungs

C. Kidneys

D. Stomach

18. What is the role of the diaphragm in respiration?

A. Filtering air

B. Protecting the lungs

C. Facilitating breathing

D. Producing mucus

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