REVIEW in SCIENCE 9

1.               The cilia are coarse hair inside your nose for ___________      of air.

• digestion

• filtration

• excretion

• absorption

What part of the respiratory system is responsible in the exchange of oxygen gas and carbon dioxide gas?

• trachea

• bronchi

• lungs

• alveoli

1.               Which law of inheritance describes an organism that has two different alleles for a trait, one allele dominates?

• Law of Dominance

• Law of Codominance

• Law of Segregation

• Law of Independent Assortment

Different copies of forms of a gene controlling a certain trait are called _____.

• Alleles

• DNA

• Chromosomes

• Genes

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

Breathing control centers of the brain are called _______.

• cerebrum and cerebellum

• pons and medulla oblongata

• cerebrum and pons

• medulla and cerebrum

Biology field that fight against the biodiversity problem is the _____.

• Developmental biology

• Marine biology

• Molecular biology

• Conservation biology

Tags

NGSS.MS-LS2-5

1.               In humans, blood returning to the heart from the lungs returns to _____.

• left ventricle

• right ventricle

• left atrium

• right atrium

Which of these is an incorrect association?

• white blood cells – hemoglobin

• white blood cells – infection fighting

• erythrocyte -  delivers oxygen

• platelets – blood clotting

Which of the following nitrogenous base that is NOT found in DNA?

• Adenine

• Cytosine

• Uracil

• Thymine

1.               Which level of biodiversity involves habitats and communities?

• ecosystem diversity

• genetic diver

• population diversity

• population diversity

Tags

NGSS.MS-LS2-5