TFAR Science Quiz

Which organ is responsible for pumping blood throughout the body?

• stomach

• lungs

• heart

• brain

What is the main function of the respiratory system?

• Facilitate the exchange of oxygen and carbon dioxide through breathing.

• Digest food and absorb nutrients

• Produce hormones for growth and development

• Regulate body temperature

What is a dichotomous key used for?

• To determine the age of fossils

• To measure the temperature of an environment

• To identify and classify organisms

• To analyze the chemical composition of a substance

What does biodiversity refer to?

• The genetic variation within a species in a particular habitat or ecosystem.

• The number of species in a particular habitat or ecosystem.

• The variety of life forms in a particular habitat or ecosystem.

• The size of individual organisms in a particular habitat or ecosystem.

Which of the following is an example of sexual reproduction?

• Breathing in animals

• Mating of animals and fertilization of plants through pollination

• Photosynthesis in plants

• Asexual reproduction in bacteria

Which organelle is responsible for producing energy in a cell?

• nucleus

• mitochondria

• endoplasmic reticulum

• ribosome

What is asexual reproduction?

• Asexual reproduction is the process by which an organism produces offspring that are a combination of its own genes and the genes of another organism.

• Asexual reproduction is the process by which an organism produces offspring that are genetically identical to itself.

• Asexual reproduction is the process by which an organism produces offspring that are genetically different from itself.

• Asexual reproduction is the process by which an organism produces offspring through sexual reproduction.

Which of the following is not a respiratory system organ?

• Mouth

• Trachea

• Lungs

• Skin

What is the purpose of a classification system?

• To confuse and obfuscate information or objects

• To randomly group information or objects

• To organize and categorize information or objects based on their characteristics or attributes.

• To create chaos and disorder in the organization of information or objects

A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?

• Coleoptera
• Heteroptera
• Diptera
• Lepidoptera