Plants Unit Test Review 2020

Photosynthesis occurs in the _____ of ______ cells.

• mitochondrion / all

• nucleus / animal

• chloroplast / plant

• chlorophyll / all

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The source of all energy for life on Earth is the ______.

• plant

• cell

• Sun

• glucose

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The role of the Sun during photosynthesis is to serve as a source of

• hydrogen atoms

• radiant energy

• gravitational pull

• carbon dioxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which best describes the process of photosynthesis? Photosynthesis is the process by which plants convert

• radiant energy to chemical energy

• heat energy into mechanical energy

• heat energy and chemical energy

• chemical energy into heat energy

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which statement best explains what happens to a leaf when it has lost much-needed water?

• Its turgor pressure decreases.

• Its atmospheric pressure decreases.

• Its rate of transpiration increases.

• Its rate of photosynthesis increases.

In the process of photosynthesis, sunlight is converted into

• chemical energy.

• radiant energy.

• mechanical energy.

• kinetic energy.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How do sprouting plants exhibit positive geotropism?

• The roots turn downward towards the ground.

• The roots move horizontally.

• The leaves face toward the Sun.

• The stems curl around a fence post.

Geotropism is a response by plants to which force?

• gravity

• friction

• air pressure

• Earth’s magnetism

Plants have special tissues called xylem and phloem that transport food, water, and minerals throughout the plant. What are these tissues similar to in animals?

• lungs and trachea

• spinal cord and nerves

• blood vessels

• kidneys and bladder

Which of these can be found in a plant cell but not in an animal cell?

• chromosome

• nucleus

• chloroplast

• cell membrane

Tags

NGSS.MS-LS1-6