Grade 7 - Quiz 1 - Respiration, Photosynthesis, and Ecosystems

Which process involves the breakdown of glucose with the use of oxygen to produce energy?

• Anaerobic respiration

• Aerobic respiration

• Photosynthesis

• Fermentation

Which type of respiration occurs in the absence of oxygen?

• Aerobic respiration

• Photosynthesis

• Anaerobic respiration

• Fermentation

Where does aerobic respiration take place in eukaryotic cells?

• Nucleus

• Chloroplasts

• Mitochondria

• Cell membrane

What is the primary source of oxygen released into the atmosphere?

• Photosynthesis

• Aerobic respiration

• Anaerobic respiration

• Decomposition

In which organelle does photosynthesis occur in plant cells?

• Mitochondria

• Nucleus

• Chloroplasts

• Endoplasmic reticulum

What gas is taken in during photosynthesis and converted into glucose?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

Which of the following is an example of a biotic component in an ecosystem?

• Temperature

• Soil

• Sunlight

• Grasshopper

Abiotic components of an ecosystem include:

• Animals and plants

• All living organisms

• Non-living elements

• Fungi and bacteria

The interactions between organisms and their physical environment are the study of:

• Photosynthesis

• Aerobic respiration

• Biotic components

• Ecology

What is the ultimate source of energy for almost all ecosystems on Earth?

• Soil

• Plants

• Sunlight

• Water