11BIO4 Biology Module 1 Pre-Quiz

In which organelle does photosynthesis occur?

• Nucleus
• Mitochondria
• Chloroplast
• Endoplasmic reticulum

What is the primary driving force behind the process of diffusion?

• Gravity
• Osmosis
• Concentration gradient
• Active transport

What is the correct word equation for photosynthesis?

• Glucose + Oxygen → Carbon dioxide + Water
• Water + Carbon dioxide → Glucose + Oxygen
• Oxygen + Glucose → Water + Carbon dioxide
• Carbon dioxide + Oxygen → Glucose + Water

What is the correct word equation for cellular respiration?

• Glucose + Oxygen → Carbon dioxide + Water
• Water + Carbon dioxide → Glucose + Oxygen
• Oxygen + Glucose → Water + Carbon dioxide
• Carbon dioxide + Water → Glucose + Oxygen

What is the function of enzymes in biological systems?

• To provide energy for reactions
• To initiate chemical reactions
• To speed up chemical reactions
• To transport molecules across membranes

Which organ system is responsible for gas exchange in the human body?

• Digestive system
• Respiratory system
• Circulatory system
• Nervous system

What is the primary function of xylem in plants?

• Transport of water and minerals
• Transport of sugars
• Photosynthesis
• Gas exchange

How do plants primarily transport sugar from leaves to other parts of the plant?

• Xylem
• Phloem
• Stomata
• Epidermis

Which of the following is an abiotic factor in an ecosystem?

• Plants
• Animals
• Decomposers
• Soil

What is the main mechanism driving natural selection?

• Genetic drift
• Mutation
• Environmental changes
• Artificial selection