Grade 10 Biology test review

In a biology class, Matteo and Ben were discussing the cell theory. Ben made a statement that was NOT part of the cell theory. Which of these could be Ben's statement?

• All living things, including us, are made up of one or more cells

• All cells, like the ones in our body, come from pre-existing cells

• Mitochondria is the powerhouse of a cell

• Cells, like the ones we are made of, are the basic unit of life

What is the main purpose of a diaphragm?

• mixing food with digestive juices

• producing energy

• separating chest cavity from abdominal cavity

• facilitating gas exchange in the alveoli

What is the main role of the epidermis in plant cells

• supports and protects structures

• photosynthesis

• food and water storage

• forms the outermost layer of the plant

Alayna and Sophie are studying for their biology exam. They are trying to remember the correct order of mitosis. Can you help them?

• telophase

  prophase

  anaphase

  metaphase

• prophase

  metaphase

  anaphase

  telophase

• anaphase

  prophase

  telophase

  metaphase

• metaphase

  telophase

  anaphase

  prophase

In which phase of the cell cycle does dna replication occur?

• G1 phase

• S phase

• G2 phase

• M phase

Carla and Silenne were studying cell biology. They came across a term 'lysosome' and were curious about its function. What does a lysosome do in a cell?

• It acts as a storage for water, salt, food, and waste materials.

• It modifies and packages proteins for the cell.

• It stores the cell's DNA.

• It breaks down non-functional organelles, invaders, and byproducts.

Alex and David are learning about cell division. They are discussing what happens during metaphase. Which of the following actions does NOT take place during this phase?

• Chromosomes move to the middle of the cell

• Mitotic spindles attach to chromosome centromeres

• Two nuclei are formed

Gabe and Daiwik are discussing the phases of mitosis. Daiwik says that Prophase is the longest phase in mitosis. Is Daiwik's statement true or false?

• True

• False

Amari and John come across different types of tissues. They are trying to identify which ones are animal tissues. Can you help them?

• Connective tissue

• Digestive tissue

• Epithelial tissue

• Circulatory tissue

Nic discovered a benign tumour in his biology class. Which of the following statements best describes this benign tumour?

• It does not affect the normal cells around it

• It affects the normal cells around it

• It is the site of photosynthesis

• It is a lump of cells that continue to divide without a purpose