SS2 Second Term Biology Past Questions And Answers

Here are 20 SS2 Biology questions:

 

What is the function of the chloroplast in plant cells?

a) Cellular respiration

b) Photosynthesis

c) Protein synthesis

d) Waste elimination

Answer: b) Photosynthesis

 

Which part of the human brain is responsible for regulating balance and coordination?

a) Cerebrum

b) Cerebellum

c) Medulla oblongata

d) Hypothalamus

Answer: b) Cerebellum

 

What is the purpose of the immune system in the human body?

a) Pumping blood

b) Regulating temperature

c) Fighting infections

d) Producing hormones

Answer: c) Fighting infections

 

In genetics, what is the term for the physical appearance of an organism?

a) Genotype

b) Phenotype

c) Allele

d) Homozygous

Answer: b) Phenotype

 

Which gas is released as a byproduct of cellular respiration in animals?

a) Oxygen

b) Nitrogen

c) Carbon monoxide

d) Hydrogen

Answer: a) Oxygen

 

What is the function of the nephron in the kidney?

a) Filtration of blood

b) Production of urine

c) Absorption of nutrients

d) Regulation of body temperature

Answer: b) Production of urine

 

What is the purpose of the DNA molecule in cells?

a) Storing genetic information

b) Producing energy

c) Facilitating protein synthesis

d) Regulating cell shape

Answer: a) Storing genetic information

 

Which gas is responsible for the greenhouse effect on Earth?

a) Oxygen

b) Nitrogen

c) Carbon dioxide

d) Methane

Answer: c) Carbon dioxide

 

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

a) Pumping blood

b) Filtering air

c) Regulating temperature

d) Assisting in breathing

Answer: d) Assisting in breathing

 

Which type of joint allows for a wide range of movement, like the shoulder joint?

a) Ball and socket joint

b) Hinge joint

c) Pivot joint

d) Gliding joint

Answer: a) Ball and socket joint

 

What is the primary function of the gallbladder in the digestive system?

a) Producing enzymes

b) Storing bile

c) Absorbing nutrients

d) Breaking down fats

Answer: b) Storing bile

 

What is the role of the thymus gland in the immune system?

a) Producing antibodies

b) Filtering blood

c) Maturation of T lymphocytes

d) Regulating body temperature

Answer: c) Maturation of T lymphocytes

 

In the life cycle of a flowering plant, what is the male reproductive organ?

a) Ovule

b) Stigma

c) Anther

d) Style

Answer: c) Anther

 

What is the function of the ozone layer in the Earth’s atmosphere?

a) Absorbing ultraviolet radiation

b) Producing oxygen

c) Facilitating photosynthesis

d) Regulating temperature

Answer: a) Absorbing ultraviolet radiation

 

Which type of blood vessels carry blood away from the heart?

a) Arteries

b) Veins

c) Capillaries

d) Venules

Answer: a) Arteries

 

What is the purpose of the mucus in the respiratory system?

a) Facilitating gas exchange

b) Trapping dust and pathogens

c) Producing energy

d) Regulating airflow

Answer: b) Trapping dust and pathogens

 

Which hormone is responsible for regulating blood sugar levels?

a) Insulin

b) Thyroxine

c) Estrogen

d) Adrenaline

Answer: a) Insulin

 

What is the role of the amygdala in the human brain?

a) Memory consolidation

b) Emotional responses

c) Motor coordination

d) Vision processing

Answer: b) Emotional responses

 

What is the function of the sinoatrial (SA) node in the heart?

a) Pumping blood to the body

b) Conducting electrical impulses

c) Filtering blood

d) Producing hormones

Answer: b) Conducting electrical impulses

 

In ecological term

s, what is a producer in a food chain?

a) Herbivore

b) Carnivore

c) Autotroph

d) Heterotroph

Answer: c) Autotroph