SS1 First Term Biology Past Questions And Answers

 

Here they are;

 

Question: What is the primary function of the nucleus in a cell?

 

a) Protein synthesis

b) Energy production

c) Genetic information storage

d) Waste elimination

Answer: c) Genetic information storage

 

Question: Which of the following is an example of a unicellular organism?

 

a) Human

b) Amoeba

c) Rose plant

d) Elephant

Answer: b) Amoeba

 

Question: What is the powerhouse of the cell responsible for energy production?

 

a) Nucleus

b) Golgi apparatus

c) Mitochondria

d) Endoplasmic reticulum

Answer: c) Mitochondria

 

Question: In photosynthesis, which pigment is responsible for capturing light energy?

 

a) Chlorophyll

b) Carotenoid

c) Melanin

d) Hemoglobin

Answer: a) Chlorophyll

 

Question: What process involves the movement of molecules from an area of high concentration to an area of low concentration?

 

a) Osmosis

b) Active transport

c) Diffusion

d) Facilitated diffusion

Answer: c) Diffusion

 

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

 

a) Blood clotting

b) Muscle contraction

c) Support and protection

d) Digestion

Answer: c) Support and protection

 

Question: What is the basic unit of heredity that carries genetic information?

 

a) Protein

b) Enzyme

c) Gene

d) Chromosome

Answer: c) Gene

 

Question: The process of cell division in eukaryotic cells is known as:

 

a) Mitosis

b) Meiosis

c) Binary fission

d) Budding

Answer: a) Mitosis

 

Question: Which organelle is responsible for detoxification and metabolism of drugs in liver cells?

 

a) Ribosome

b) Lysosome

c) Peroxisome

d) Golgi apparatus

Answer: c) Peroxisome

 

Question: What is the role of RNA in protein synthesis?

 

a) Provides energy

b) Carries amino acids

c) Transfers genetic information

d) Catalyzes reactions

Answer: c) Transfers genetic information

 

Question: The process by which plants make their own food using sunlight is called:

a) Respiration

b) Digestion

c) Photosynthesis

d) Fermentation

Answer: c) Photosynthesis

 

Question: Which blood vessels carry oxygenated blood away from the heart?

a) Arteries

b) Veins

c) Capillaries

d) Venules

Answer: a) Arteries

 

Question: What is the function of the nervous system?

a) Oxygen transport

b) Regulation of body temperature

c) Coordination and control

d) Digestion

Answer: c) Coordination and control

 

Question: The basic structural and functional unit of the nervous system is the:

a) Neuron

b) Hormone

c) Axon

d) Synapse

Answer: a) Neuron

 

Question: Which of the following is a component of the circulatory system?

a) Liver

b) Kidney

c) Heart

d) Lungs

Answer: c) Heart

 

Question: In the human reproductive system, where does fertilization typically occur?

a) Uterus

b) Ovary

c) Fallopian tube

d) Cervix

Answer: c) Fallopian tube

 

Question: What is the primary function of the respiratory system?

a) Filtration of blood

b) Gas exchange

c) Regulation of body temperature

d) Nutrient absorption

Answer: b) Gas exchange

 

Question: Which structure in a plant cell is responsible for storing water and nutrients?

a) Chloroplast

b) Vacuole

c) Nucleolus

d) Ribosome

Answer: b) Vacuole

 

Question: Enzymes are examples of:

a) Nucleic acids

b) Proteins

c) Lipids

d) Carbohydrates

Answer: b) Proteins

 

Question: What is the purpose of the digestive system in the human body?

 

a) Regulation of blood sugar

b) Absorption of oxygen

c) Breakdown of food for nutrient absorption

d) Pumping blood to various organs

Answer: c) Breakdown of food for nutrient absorption.