Biology Recall Quiz

What is the basic unit of life?

• Atom

• Molecule

• Cell

• Tissue

Answer explanation

The basic unit of life is a cell, which is the smallest structural and functional unit of an organism.

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DOK Level 1: Recall

Which of the following is a function of the skeletal system?

• Producing movement

• Transporting nutrients

• Protecting internal organs

• Absorbing vitamins

Answer explanation

The function of protecting internal organs is a key role of the skeletal system by providing a framework that shields vital organs from external harm.

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DOK Level 1: Recall

What gas do plants release during photosynthesis?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

Answer explanation

Plants release oxygen during photosynthesis as a byproduct of converting carbon dioxide into glucose through the process of photosynthesis.

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DOK Level 1: Recall

Which organ is primarily responsible for filtering blood in the human body?

• Heart

• Liver

• Kidneys

• Lungs

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DOK Level 1: Recall

What is the process by which plants make their own food using sunlight?

• Respiration

• Photosynthesis

• Digestion

• Fermentation

Answer explanation

Photosynthesis is the process by which plants make their own food using sunlight, converting carbon dioxide and water into glucose and oxygen.

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DOK Level 1: Recall

In which cell organelle does photosynthesis take place?

• Mitochondria

• Chloroplast

• Nucleus

• Ribosome

Answer explanation

Photosynthesis takes place in the chloroplast, where chlorophyll captures sunlight to convert carbon dioxide and water into glucose.

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DOK Level 2: Skill/Concept

What is the role of the mitochondria in cells?

• It digests food particles.

• It stores DNA.

• It produces energy.

• It synthesizes proteins.

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DOK Level 2: Skill/Concept

How do fish breathe underwater?

• Through lungs

• Through skin

• Through gills

• Through nostrils

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DOK Level 2: Skill/Concept

What type of consumer is an organism that eats only plants?

• Omnivore

• Carnivore

• Herbivore

• Detritivore

Tags

DOK Level 2: Skill/Concept

Which system in the human body is responsible for transporting oxygen and nutrients to cells?

• Digestive system

• Circulatory system

• Respiratory system

• Excretory system

Tags

DOK Level 2: Skill/Concept