WorksheetsGrade 7 - Quiz 1 - Respiration, Photosynthesis, and Ecosystems
Total questions: 20
Worksheet time: 17mins
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
Anaerobic respiration occurs in the absence of (a) .
The process by which green plants use sunlight to synthesize foods with the help of chlorophyll is called (a) .
The non-living elements in an ecosystem, such as water, rocks, and climate, are referred to as (a) components.
The process in which animals and plants exchange carbon dioxide and oxygen with the environment is known as (a) .
What is the role of water in an ecosystem?
What types of respiration do you know?
What is the main difference between aerobic and anaerobic respiration?
What is the role of decomposers in an ecosystem?
They produce energy through photosynthesis.
They break down organic matter and recycle nutrients.
They are the top predators in the food chain.
They primarily eat plants.
What term describes the variety of life in an ecosystem, including the number of different species present?
Species diversity
Ecosystem diversity
Biodiversity
Genetic diversity
Which of the following is an example of an abiotic factor in an ecosystem?
Trees
Insects
