Cumulative Test for Life Science

What is the basic structural and functional unit of all living organisms?

• cell

• organ

• tissue

• molecule

In which organelle does photosynthesis occur?

• mitochondria

• chloroplasts

• nucleus

• endoplasmic reticulum

What is the study of heredity and variation in organisms?

• Biology

• Chemistry

• Physics

• Genetics

What is the branch of biology that deals with the relations of organisms to one another and to their physical surroundings?

• Physics

• Chemistry

• Biology

• Ecology

Which process explains how species change over time?

• Revolution

• Evolution

• Mutation

• Adaptation

Which body system is responsible for the transportation of oxygen and nutrients throughout the body?

• Digestive system

• Respiratory system

• Circulatory system

• Endocrine system

What is the function of the nucleus in a cell?

• Energy production

• Cell division regulation

• Control center and genetic material storage

• Waste storage

What are the products of photosynthesis?

• Starch and nitrogen

• Water and carbon dioxide

• Protein and lipids

• Glucose and oxygen

What is the name of the molecule that carries genetic information in living organisms?

• Carbohydrate

• RNA

• DNA

• Protein

What is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll?

• Photosynthesis

• Photosynthesis

• Photo editing

• Photocopying