Science Week 2023 - Biology

What is the primary function of mitochondria in a cell?

• Protein synthesis
• Cell division
• DNA replication
• Energy production

Which organelle is responsible for photosynthesis in plant cells?

(a)  

Which biomolecule is the main energy storage molecule in animals?

• Protein
• DNA
• Lipid
• Carbohydrates

What process allows plants to convert light energy into chemical energy?

• Respiration
• Digestion
• Fermentation
• Photosynthesis

Which system is responsible for pumping blood throughout the body?

• Nervous System
• Digestive System
• Circulatory System
• Respiratory System

What is the basic unit of heredity in living organisms?

• Gene

• Protein
• Cell

• Tissue

Which type of tissue connects muscles to bones in the human body?

• Epithelial tissue
• Nervous tissue
• Adipose tissue
• Connective tissue

Which process involves the movement of molecules from an area of high concentration to an area of low concentration?

• Diffusion

• Photosynthesis
• Respiration
• Digestion

Which human body system is responsible for producing hormones that regulate various bodily functions?

• Digestive System
• Respiratory System
• Endocrine System
• Circulatory System

What is the function of the ribosomes in a cell?

• They provide energy for the cell
• They control the cell's activities
• They are involved in cell division
• They are the site of protein synthesis