SS2 First Term Biology Past Questions And Answers

To help you prepare for an examination in Secondary School Class 2 (SS2) biology, here are 20 questions covering various topics. Each question is accompanied by multiple-choice options, with the correct answer provided to help you assess your understanding of key biological concepts.

 

What is the powerhouse of the cell?

a) Nucleus

b) Ribosome

c) Mitochondria

d) Endoplasmic reticulum

Answer: c) Mitochondria

 

Which organelle is responsible for protein synthesis?

a) Golgi apparatus

b) Endoplasmic reticulum

c) Lysosome

d) Vacuole

Answer: b) Endoplasmic reticulum

 

What is the function of red blood cells?

a) Carrying oxygen

b) Digesting food

c) Producing hormones

d) Storing energy

Answer: a) Carrying oxygen

 

Which gas do plants absorb during photosynthesis?

a) Oxygen

b) Carbon dioxide

c) Nitrogen

d) Hydrogen

Answer: b) Carbon dioxide

 

What is the main function of the nervous system?

a) Transporting nutrients

b) Controlling body movements

c) Regulating temperature

d) Supporting the body

Answer: b) Controlling body movements

 

What is the process by which cells divide to form new cells?

a) Osmosis

b) Meiosis

c) Mitosis

d) Diffusion

Answer: c) Mitosis

 

Which part of the flower produces pollen?

a) Petal

b) Stamen

c) Sepal

d) Pistil

Answer: b) Stamen

 

What is the primary function of the circulatory system?

a) Digestion

b) Transportation of substances

c) Respiration

d) Excretion

Answer: b) Transportation of substances

 

Which type of tissue connects muscle to bone?

a) Epithelial tissue

b) Connective tissue

c) Nervous tissue

d) Muscle tissue

Answer: b) Connective tissue

 

What is the basic unit of heredity?

a) Protein

b) Gene

c) Chromosome

d) Enzyme

Answer: b) Gene

 

Where does fertilization occur in humans?

a) Ovary

b) Uterus

c) Fallopian tube

d) Vagina

Answer: c) Fallopian tube

 

What is the function of the liver in the digestive system?

a) Producing bile

b) Absorbing nutrients

c) Storing urine

d) Filtering blood

Answer: a) Producing bile

 

Which gas is released during cellular respiration?

a) Oxygen

b) Nitrogen

c) Carbon dioxide

d) Hydrogen

Answer: c) Carbon dioxide

 

What is the role of white blood cells in the immune system?

a) Carrying oxygen

b) Fighting infections

c) Producing antibodies

d) Transporting nutrients

Answer: b) Fighting infections

 

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

a) Pumping blood

b) Protecting the lungs

c) Filtering air

d) Digesting food

Answer: b) Protecting the lungs

 

In which part of the digestive system does nutrient absorption mainly occur?

a) Stomach

b) Small intestine

c) Large intestine

d) Esophagus

Answer: b) Small intestine

 

What is the purpose of the endocrine system?

a) Controlling body movements

b) Regulating temperature

c) Producing hormones

d) Supporting the body

Answer: c) Producing hormones

 

What is the function of the cornea in the eye?

a) Focusing light

b) Detecting color

c) Regulating light intensity

d) Producing tears

Answer: a) Focusing light

 

Which type of energy transformation occurs during photosynthesis?

a) Chemical to thermal

b) Thermal to mechanical

c) Light to chemical

d) Mechanical to electrical

Answer: c) Light to chemical

 

What is the role of the urinary system in the body?

a)

Producing hormones

b) Filtering blood

c) Digesting food

d) Regulating body temperature

Answer: b) Filtering blood