life cycle costing MCQS

Here Are 50 Quizzes / Multiple-Choice Questions (Mcqs) Related To

LIFE PROCESSES



1. What is the primary function of the respiratory system?

a) Digestion

b) Transportation

c) Respiration

d) Excretion

*Correct answer: c*



2. Which organ is responsible for filtering waste products from the blood?

a) Liver

b) Kidney

c) Heart

d) Pancreas

*Correct answer: b*



3. The process by which plants convert light energy into chemical energy is called:

a) Photosynthesis

b) Cellular respiration

c) Fermentation

d) Oxidation

, *Correct answer: a*



4. Which enzyme is responsible for breaking down proteins in the stomach?

a) Amylase

b) Lipase

c) Pepsin

d) Trypsin

*Correct answer: c*



5. Which of the following is NOT a function of the circulatory system?

a) Transporting nutrients

b) Removing waste products

c) Producing hormones

d) Distributing oxygen

*Correct answer: c*



6. Which of the following is a byproduct of aerobic cellular respiration?

a) Carbon dioxide

b) Lactic acid

c) Ethanol

d) Nitrogen

*Correct answer: a*

, 7. Where does the majority of nutrient absorption occur in the human digestive
system?

a) Stomach

b) Small intestine

c) Large intestine

d) Liver

*Correct answer: b*



8. Which type of muscle is under involuntary control?

a) Skeletal muscle

b) Cardiac muscle

c) Smooth muscle

d) Striated muscle

*Correct answer: c*



9. Which hormone regulates blood sugar levels?

a) Insulin

b) Estrogen

c) Testosterone

d) Thyroxine

*Correct answer: a*