G09 - SCI Q1 Reviewer

What molecule splits to replace an excited electron in chlorophyll?

• Oxygen

• Carbon dioxide

• Water

• Glucose

What does the respiratory system exchange in the lungs?

• Carbon monoxide and oxygen

• Carbon dioxide and nitrogen

• Oxygen and carbon dioxide

• Oxygen and nitrogen

What regulates the frequency and depth of breaths?

• The alveoli

• The diaphragm

• The brain's respiratory center

• The heart

How is air filtered before reaching the lungs?

• By nasal hairs, mucus, and cilia

• By the trachea

• By alveoli

• Through the diaphragm

What is the main protein in human blood plasma?

• Immunoglobulin

• Albumin

• Hemoglobin

• Fibrinogen

How do rising ocean levels affect biodiversity?

• Increase land area

• Improve freshwater availability

• Create new habitats for marine species

• Inundate shorelines and reduce island size

What is anticipation in genetics?

• Increasing severity of a genetic disorder in successive generations

• Decreasing severity of a genetic disorder in successive generations

• Equal severity of a genetic disorder in all generations

• Complete absence of a genetic disorder in successive generations

What is the liquid component of blood called?

• Hemoglobin

• Serum

• Plasma

• Lymph

What is maternal inheritance?

• Inheritance of genes from both parents equally

• Inheritance of genes from neither parent

• Inheritance of genes from the father only

• Inheritance of genes from the mother only

Which gas is released by plants as a result of photosynthesis?

• Carbon dioxide

• Oxygen

• Methane

• Nitrogen