
Exploring Biology Concepts
Quiz
•
Others
•
12th Grade
•
Practice Problem
•
Hard
Hassan Shakirah olawepo
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the basic unit of life?
Cell
Tissue
Organ
Organism
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which organelle is known as the powerhouse of the cell?
Chloroplast
Mitochondria
Nucleus
Ribosome
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the cell membrane?
The cell membrane provides energy for cellular processes.
The cell membrane acts as a site for protein synthesis.
The cell membrane stores genetic information.
The cell membrane regulates the movement of substances in and out of the cell.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Define the term 'ecosystem'.
A collection of plants in a garden.
An ecosystem is a community of living organisms and their physical environment interacting as a system.
A type of weather pattern.
A method of cooking food.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary source of energy for most ecosystems?
Sunlight
Wind energy
Nuclear power
Geothermal heat
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the concept of a food chain.
A food chain is a circular pattern of energy flow among organisms.
A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.
A food chain describes the habitat of a single species.
A food chain is a complex web of interactions among multiple ecosystems.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of decomposers in an ecosystem?
Decomposers produce energy for plants.
Decomposers only affect living organisms.
Decomposers recycle nutrients and break down dead matter in an ecosystem.
Decomposers are primary consumers in the food chain.
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