II Partial - 6th A Science Quiz I

A cell is the smallest structure capable of performing life functions.

• True

• Falso

The small structures inside a cell are called ____________.

• organs

• organelles

• vacuoles

What do mitochondria do?

• Provide energy

• store materials

• send instructions

What are the organelles the plant cells have but animal cells don't?

• Chloroplasts

• cell walls

• cytoplasm

• nucleus

Diffusion is the process that spreads substances through the cell membrame from regions of high concentration to regions of low concentration.

• True

• Falso

diffusion of water across a membrane from regions of low concentration to regions of high concentration.

• active transport

• passive diffusion

• osmosis

This is the product of the photosynthesis process.

• oxygen and sugar

• carbon dioxide and water

These are the elements plants need to do the photosynthesis.

• water

• sunlight

• carbon dioxide

• oxygen

• rocks

What is the product of cellular respiration?

• sugar and water

• glucose and oxygen

• water and carbon dioxide

• carbon dioxide and glucose

How long does a fertilized human egg need to divide 3 times ?

• about 72 hours

• about 75 hours

• about 48 hours

• about 70