Specialised cells, unspecialised cells and differentiation | Starter Quiz | Oak National Academy

DNA is an organism's ___ material.

Answer explanation

DNA is genetic material that is passed onto offspring during reproduction.

How is DNA stored in plant and animal cells?

• in chromosomes

• free-floating in the cytoplasm

• in plasmids

Answer explanation

The DNA of plant and animal cells is stored as chromosomes; these are tightly wound packages of DNA.

Which of these organisms are multicellular?

• ant

• oak tree

• yeast

• bacteria

• cress plant

Answer explanation

Yeast and bacteria are unicellular.

Put these in order of size starting with the smallest.

• cell

• tissue

• organ

• organ system

• DNA

Answer explanation

DNA carries the genetic code and is found inside cells. Cells make up tissues. Different tissues work together to form organs. Different organs work together to form organ systems, e.g. circulatory system.

What is the process by which cells divide to produce identical cells?

• transcription

• meiosis

• differentiation

• mitosis

• transpiration

Answer explanation

Mitosis is the process of cell division where a cell divides to produce two identical daughter cells.

What is a gene?

• A short section of DNA that carries proteins.

• A short section of DNA that carries the genetic code.

• A short section of DNA that carries amino acids.

Answer explanation

Genes are short section of DNA that carries the genetic code. The code is used to produce proteins.