SS1 Third Term Biology Past Questions And Answers

 

Biology questions for the third term:

 

Question: What is the function of the lymphatic system in the human body?

 

a) Regulation of body temperature

b) Filtration of blood

c) Transportation of hormones

d) Immune response and fluid balance

Answer: d) Immune response and fluid balance

 

Question: Which type of reproduction involves the fusion of gametes from two parents?

 

a) Asexual reproduction

b) Binary fission

c) Sexual reproduction

d) Budding

Answer: c) Sexual reproduction

 

Question: What is the main function of white blood cells in the human body?

 

a) Carrying oxygen

b) Fighting infections

c) Clotting blood

d) Breaking down nutrients

Answer: b) Fighting infections

 

Question: The main nitrogenous waste product excreted by mammals is:

 

a) Urea

b) Ammonia

c) Carbon dioxide

d) Nitrogen gas

Answer: a) Urea

 

Question: In the human digestive system, where does the majority of nutrient absorption take place?

 

a) Stomach

b) Small intestine

c) Large intestine

d) Esophagus

Answer: b) Small intestine

 

Question: What is the purpose of the reproductive system in living organisms?

 

a) Regulation of body temperature

b) Exchange of gases

c) Continuation of the species through reproduction

d) Filtration of blood

Answer: c) Continuation of the species through reproduction

 

Question: Which of the following is a function of the integumentary system?

 

a) Coordination and control

b) Regulation of body temperature

c) Transport of nutrients

d) Oxygen transport

Answer: b) Regulation of body temperature

 

Question: What is the function of the cilia in respiratory epithelial cells?

 

a) Absorption of nutrients

b) Movement of mucus and debris

c) Production of hormones

d) Gas exchange

Answer: b) Movement of mucus and debris

 

Question: Which hormone is responsible for regulating blood sugar levels in the human body?

 

a) Insulin

b) Estrogen

c) Testosterone

d) Thyroxine

Answer: a) Insulin

 

Question: The process of breaking down complex molecules into simpler ones, releasing energy, is known as:

 

a) Anabolism

b) Metabolism

c) Catabolism

d) Respiration

Answer: c) Catabolism.