SS2 Third Term Biology Past Questions And Answers

Here are 20 SS2 Biology questions to help you prepare for your third term examination

 

What is the role of the spleen in the human body?

a) Blood filtration

b) Digestion

c) Hormone production

d) Oxygen transport

Answer: a) Blood filtration

 

Which process involves the conversion of atmospheric nitrogen into a form usable by plants?

a) Photosynthesis

b) Nitrogen fixation

c) Respiration

d) Transpiration

Answer: b) Nitrogen fixation

 

What is the function of the epididymis in the male reproductive system?

a) Production of sperm

b) Storage and maturation of sperm

c) Secretion of testosterone

d) Transport of urine

Answer: b) Storage and maturation of sperm

 

In the classification of living organisms, what comes after the domain level?

a) Kingdom

b) Phylum

c) Class

d) Order

Answer: a) Kingdom

 

Which type of cell division reduces the chromosome number by half, leading to the formation of gametes?

a) Mitosis

b) Meiosis

c) Cytokinesis

d) Interphase

Answer: b) Meiosis

 

What is the purpose of the myelin sheath in nerve cells?

a) Facilitating cell division

b) Protecting against pathogens

c) Speeding up nerve impulse transmission

d) Storing energy

Answer: c) Speeding up nerve impulse transmission

 

Which hormone is responsible for regulating calcium levels in the blood?

a) Insulin

b) Thyroxine

c) Parathyroid hormone

d) Adrenaline

Answer: c) Parathyroid hormone

 

What is the primary function of the large intestine in the digestive system?

a) Absorption of water and electrolytes

b) Breakdown of proteins

c) Absorption of nutrients

d) Production of bile

Answer: a) Absorption of water and electrolytes

 

What is the purpose of the vestibular system in the human ear?

a) Hearing

b) Balance and spatial orientation

c) Temperature regulation

d) Filtering air

Answer: b) Balance and spatial orientation

 

In a food web, what role do decomposers play?

a) Primary producers

b) Consumers

c) Scavengers

d) Break down organic matter

Answer: d) Break down organic matter

 

What is the function of the vas deferens in the male reproductive system?

a) Production of sperm

b) Storage and maturation of sperm

c) Transport of sperm

d) Secretion of testosterone

Answer: c) Transport of sperm

 

Which part of the human eye controls the amount of light entering the retina?

a) Cornea

b) Lens

c) Iris

d) Retina

Answer: c) Iris

 

What is the purpose of the pituitary gland in the endocrine system?

a) Producing insulin

b) Regulating body temperature

c) Secreting growth hormones

d) Filtering blood

Answer: c) Secreting growth hormones

 

Which process involves the conversion of glucose into ATP in the presence of oxygen?

a) Fermentation

b) Glycolysis

c) Photosynthesis

d) Cellular respiration

Answer: d) Cellular respiration

 

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

a) Oxygen absorption

b) Filtration of air

c) Voice production

d) Gas exchange

Answer: c) Voice production

 

In ecological terms, what is a primary consumer?

a) Carnivore

b) Herbivore

c) Omnivore

d) Decomposer

Answer: b) Herbivore

 

What is the role of the adrenal glands in the endocrine system?

a) Regulating blood sugar

b) Producing adrenaline

c) Controlling body temperature

d) Facilitating digestion

Answer: b) Producing adrenaline

 

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

a) Oxygen transport

b) Filtration of air

c) Gas exchange

d) Voice production

Answer: c) Gas exchange

 

What is the purpose of the ciliary muscles in the human eye?

a) Focusing on distant objects

b) Adjusting the shape of the lens for near and far vision

c) Controlling light intensity

d) Producing tears

Answer: b) Adjusting the shape of the lens for near and far vision

 

Which environmental factor does photosynthesis primarily depend on?

a) Temperatur

e

b) Wind speed

c) Humidity

d) Atmospheric pressure

Answer: a) Temperature