Biology Basics

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

• organ

• tissue

• cell

• molecule

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In which organelle does photosynthesis occur?

• mitochondria

• chloroplasts

• nucleus

• endoplasmic reticulum

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What is the study of heredity and variation in living organisms?

• Genetics

• Physics

• Chemistry

• Biology

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

• Botany

• Ecology

• Zoology

• Biology

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Which system in the human body is responsible for pumping blood throughout the body?

• The heart

• The stomach

• The liver

• The lungs

What is the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth?

• evolution

• mutation

• adaptation

• creation

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NGSS.MS-LS4-1

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What is the process of cell division in which one cell divides into two identical daughter cells?

• Meiosis

• Binary fission

• Photosynthesis

• Mitosis

What term describes the relationship between alleles of one gene, where one allele is expressed over the other?

• Recessive

• Dominance

• Heterozygous

• Codominance

What are the four nitrogenous bases found in DNA?

• Uracil

• Adenine, Thymine, Guanine, Cytosine

• Adenosine

• Thymidine

• Guanosine

What is the outermost layer of animal cells that gives them shape and protection?

• Cell membrane

• Mitochondria

• Nucleus

• Cytoplasm

Tags

NGSS.MS-LS1-2