NC 7th Grade Science Review

Which best describes inheritance patterns of sexually-reproducing organisms?

• Four alleles are inherited for every trait; two come from the mother, two from the father

• Two alleles are inherited for every trait; both from the father

• Two alleles are inherited for every trait; one comes from the mother, one from the father

• Two alleles are inherited for every trait; both from the mother

Tags

NGSS.MS-LS3-2

How does low air pressure affect the weather?

• It causes both clear and stormy weather

• It causes air to rise, water vapor to condense and form clouds, contributing to severe weather

• It causes air to sink, contributing to clear, dry weather

• It does not affect the weather

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

How do cirrus clouds help to predict weather?

• Light cirrus clouds show that a tornado may appear

• Light cirrus clouds show that a storm is approaching

• Dense cirrus clouds show that a storm is approaching

• Dense cirrus clouds show that clear weather can be expected

Tags

NGSS.MS-ESS2-5

Which best explains the water cycle?

• It is a continuous process that recycles water molecules on Earth

• It is a process that recycles water molecules on Earth, but it is not continuous

• It recycles carbon on Earth and in the atmosphere

• It recycles greenhouse gases on Earth and in the atmosphere

Tags

NGSS.MS-ESS2-4

Which best describes a mutation?

• A change in the pedigree of an organism

• A change in every cell that makes up an organism

• A change in the coding region of a segment of DNA that may alter gene expression

• None of these

Tags

NGSS.MS-LS3-1

All living things must be composed of which of the following?

• DNA

• Cells

• Bones

• Chromosomes

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

A cell has a cell wall, chloroplasts, and a true nucleus. It is most likely which cell type?

• Bacterium

• Animal cell

• Plant cell

• Fungus cell

How do conductors work to complete an electrical circuit?

• The conductor prevents energy from entering the circuit

• The conductor allows the circuit to open and close

• The conductor allows the circuit to remain open

• The conductor allows the current to flow in order to loop through the circuit

Which cell part is most likely used for locomotion?

• Flagellum

• Vacuole

• Chloroplast

• Mitochondrion

How can two dominant parents produce a recessive child?

• The dominant trait may convert to a recessive trait

• The recessive trait may gain dominance

• A mutation may occur

• Both parents may be carriers of a recessive allele

Tags

NGSS.MS-LS3-2