#1
Which organelle is known as the powerhouse of the cell?
Mitochondrion
ExplanationSite of cellular respiration producing ATP.
#2
What is the primary function of DNA?
Genetic information storage
ExplanationHolds instructions for protein synthesis and inheritance.
#3
What is the process by which plants convert light energy into chemical energy?
Photosynthesis
ExplanationConversion of light energy into glucose.
#4
Which of the following is NOT a type of blood cell?
Neuron
ExplanationNeuron is a nerve cell, not a blood cell.
#5
Which of the following is NOT a type of muscle tissue?
Adipose tissue
ExplanationAdipose tissue is fat storage, not muscle.
#6
Which of the following is not a component of the central nervous system (CNS)?
Ganglia
ExplanationClusters of nerve cell bodies outside the CNS.
#7
What is the function of the Golgi apparatus?
Modification and packaging of proteins
ExplanationProcesses and packages proteins for transport.
#8
What is the function of the ribosome?
Protein synthesis
ExplanationSite of protein assembly in the cell.
#9
Which of the following is NOT a characteristic of a prokaryotic cell?
Presence of a nucleus
ExplanationProkaryotes lack a membrane-bound nucleus.
#10
Which of the following is a primary function of the liver?
Regulation of blood sugar levels
ExplanationControls glucose storage and release.
#11
Which of the following is an example of an autotroph?
Oak tree
ExplanationOrganism capable of producing its own food.
#12
What is the name of the process by which cells engulf large particles or even other cells?
Phagocytosis
ExplanationCellular ingestion of particles or cells.
#13
Which hormone is responsible for regulating calcium levels in the blood?
Parathyroid hormone
ExplanationMaintains calcium balance in blood and bones.
#14
What is the name of the process by which plants lose water vapor through small openings on their leaves?
Transpiration
ExplanationEvaporation of water from plant leaves.
#15
Which of the following is an example of a heterotroph?
Mushroom
ExplanationOrganism that obtains energy from other organisms.