Biology Revision

Fats are solid at room temperature

• True

• False

What is a tissue

• A group of cells working together to carry out a specific function

• A group of organs working together

• An organ system

What is the name of the bacteria that has the ability to fix nitrogen from the air into nitrates that plants can use.

• E Coli

• Rhizobium

• Salmonella

Where an enzymes produced in the cell

• The nucleus

• The cell membrane

• The ribosomes

• Mitochondria

All enzymes are proteins but not all proteins are enzymes.

• False

• True

Rickets is a deficiency of what fat soluble vitamin

• C

• B

• D

A catabolic reaction releases energy when a complex molecule is broken down to simpler form.

• true

• False

In relation to ecology what is the niche of an organism

• The place where an animal lives

• An ecosystem

• An abiotic factor

• The functional role it plays in the community

What enzyme is present in celery

• Catalase

• Amylase

• Sucrase

What is an enzyme

• A biological catalyst

• A protein that speeds up a chemical reaction

• Both are True