WorksheetsScience Topics Quiz
Total questions: 20
Worksheet time: 10mins
What is the basic structural and functional unit of all living organisms?
tissue
organ
molecule
cell
Which organelle is known as the powerhouse of the cell?
Ribosomes
Mitochondria
Golgi Apparatus
Endoplasmic Reticulum
What is the process by which plants, algae, and some bacteria convert light energy into chemical energy?
Respiration
Photosynthesis
Chlorophyll
Photolysis
What are the two main stages of photosynthesis?
Dark-dependent reactions and dark-independent reactions
Light-dependent reactions and light-independent reactions
Sun-dependent reactions and sun-independent reactions
Light reactions and dark reactions
Which human body system is responsible for protecting the body from diseases and infections?
Digestive system
Immune system
Endocrine system
Respiratory system
What is the process by which plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll?
Photocopying
Photosynthesis
Photo editing
Photosynthesis
What is the main function of the circulatory system?
Regulating body temperature
Producing hormones
Transporting essential substances throughout the body
Digesting food
Which type of chemical reaction involves the breaking down of a compound into simpler substances?
Synthesis reaction
Decomposition reaction
Combustion reaction
Oxidation reaction
What is the unit of electric current?
D
A
B
C
Which human body system is responsible for producing hormones that regulate various bodily functions?
Respiratory system
Digestive system
Circulatory system
Endocrine system
What is the function of the nervous system?
Control muscle movement.
Transmit signals and coordinate bodily functions.
Digest food and absorb nutrients.
Regulate body temperature.
Which organelle is responsible for protein synthesis in a cell?
mitochondria
cytoskeleton
nucleus
ribosome
What is the law that states that like charges repel and opposite charges attract?
Newton's Law
Ohm's Law
Boyle's Law
Coulomb's Law
What is the process by which food is broken down into simpler substances in the body to release energy?
Digestion
Combustion
Absorption
Excretion
Which human body system is responsible for exchanging gases with the environment?
Endocrine system
Digestive system
Circulatory system
Respiratory system
What is the process by which plants release oxygen into the atmosphere?
Evaporation
Transpiration
Respiration
Photosynthesis
What is the main function of the respiratory system?
Regulate body temperature
Control heart rate
Facilitate gas exchange
Digest food
Which type of chemical reaction involves the combination of two or more substances to form a new compound?
Synthesis reaction
Combustion reaction
Single displacement reaction
Decomposition reaction
What is the SI unit of electric charge?
Ampere
Ohm
Joule
Coulomb
Which human body system is responsible for supporting the body, protecting organs, and producing blood cells?
Endocrine system
Nervous system
Skeletal system
Muscular system
