#1
What is the basic unit of life?
#2
What is the primary function of enzymes in living organisms?
Energy storage
Cell structure
Catalyzing chemical reactions
Transportation of nutrients
#3
What is the role of chlorophyll in plants?
Absorb and store nutrients
Convert sunlight into energy
Facilitate water absorption
Regulate plant growth
#4
What is the main function of the endocrine system in the human body?
Regulating body temperature
Producing digestive enzymes
Controlling hormone secretion
Supporting muscle movement
#5
What is the primary function of the nervous system in the human body?
Regulating blood flow
Storing nutrients
Controlling body movements
Filtering waste products
#6
Which scientist is credited with the discovery of the structure of DNA?
Isaac Newton
James Watson
Gregor Mendel
Francis Crick
#7
What is the process by which cells divide and produce identical daughter cells?
Meiosis
Mitosis
Fertilization
Apoptosis
#8
Which of the following is a greenhouse gas responsible for global warming?
Oxygen
Carbon monoxide
Methane
Nitrogen
#9
What is the function of the circulatory system in the human body?
Breathing
Digestion
Transporting blood and nutrients
Excretion
#10
Which organelle is known as the 'powerhouse of the cell'?
Nucleus
Mitochondria
Endoplasmic reticulum
Golgi apparatus
#11
What is the primary function of the respiratory system in the human body?
Filtering blood
Producing hormones
Exchange of gases
Storing nutrients
#12
Which of the following is NOT a characteristic of living organisms?
Metabolism
Growth
Decay
Inanimate
#13
What is the central dogma of molecular biology?
DNA replication
RNA translation
Protein synthesis
Cell division
#14
Which scientist proposed the theory of evolution by natural selection?
Charles Darwin
Louis Pasteur
Gregor Mendel
Alfred Wallace
#15
In genetics, what is the typical representation of a dominant allele?
Uppercase letter
Lowercase letter
Italicized letter
Greek letter
#16
Which of the following is a key characteristic of prokaryotic cells?
Nucleus
Membrane-bound organelles
No membrane-bound nucleus
Large size
#17
What is the role of RNA in protein synthesis?
Carrying amino acids
Providing structural support
Acting as a template for protein formation
Regulating enzyme activity