Semester 2 Final Bio Exam

How does water enter the roots of plants in a community garden from the soil?

• it doesn't- it enters through the stomata

• osmosis- it diffuses out of the soil and into the root cell through its membrane

• transpiration

• active transport

Select all that are inputs for Photosynthesis.

• Water

• Carbon Dioxide

• Oxygen

• Sunlight (Light Energy)

• Glucose (Sugar/food)

Which organelle is responsible for making glucose using sunlight, a process crucial for sustaining life and promoting environmental stewardship?

• Ribosomes

• Nucleus

• Chloroplast

• Mitochondria

What are the products of photosynthesis?

• water and carbon dioxide
• oxygen and glucose
• oxygen and carbon dioxide
• oxygen and water

How does carbon dioxide get into the leaves of a plant?

• It's absorbed by the roots
• It's made in a chemical reaction in the stem
• It enters through the stomata
• It goes through the flowers

Which describes the relationship between plants and animals in the carbon cycle?

• Plants produce and release oxygen that animals need

• Plants produce and release carbon dioxide that animals need

• Animals produce and release oxygen that plants need

• Animals produce oxygen that plants turn into carbon dioxide

What is the CHEMICAL FORMULA for the molecular model pictured above, which is crucial for understanding the impact of carbon emissions on climate change?

• CO

• OC₂

• C₂O

• CO₂

The main function of stomata is to

• capture sunlight

• protect leaves from insects

• allow gases to move rapidly in/out of leaves

• release sugars into the atmosphere

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

During osmosis

• water moves from high to low concentration
• large or oddly shaped molecules move across a cell membrane
• water moves when energy is used
• proteins are built