#1
Which of the following is not a primary tissue type in animals?
Epithelial tissue
Muscle tissue
Nervous tissue
Skeletal tissue
#2
What is the function of the Golgi apparatus in cells?
Protein synthesis
Energy production
Lipid synthesis
Protein modification and sorting
#3
Which of the following is NOT a stage of embryonic development in humans?
Blastula
Gastrula
Neurula
Larva
#4
Which of the following is NOT a function of the cell membrane?
Regulating the passage of substances into and out of the cell
Providing structural support to the cell
Facilitating cell communication
Producing energy for the cell
#5
What is the primary function of the endocrine system?
Regulating body temperature
Producing and secreting hormones
Digesting food
Pumping blood throughout the body
#6
Which of the following is NOT a component of the central nervous system?
Brain
Spinal cord
Peripheral nerves
Retina
#7
What is the role of mitosis in biological development?
To produce gametes
To increase genetic diversity
To produce genetically identical daughter cells
To repair damaged tissues
#8
Which of the following is an example of a homeobox gene?
#9
What is the term for the process by which cells become specialized in structure and function?
Fertilization
Differentiation
Apoptosis
Proliferation
#10
What is the primary function of the respiratory system?
Transporting nutrients
Exchanging gases
Filtering blood
Regulating body temperature
#11
Which of the following is a characteristic of stem cells?
They are only found in embryos
They have limited self-renewal capacity
They are specialized in structure and function
They can differentiate into various cell types
#12
What is the purpose of meiosis in sexual reproduction?
To produce genetically identical daughter cells
To increase the number of chromosomes
To produce gametes with half the chromosome number
To repair damaged DNA
#13
Which of the following structures is responsible for the production of insulin in humans?
Pancreas
Liver
Kidney
Spleen
#14
What is the function of the enzyme DNA polymerase during DNA replication?
To break hydrogen bonds between DNA strands
To add nucleotides to the new DNA strand
To proofread the newly synthesized DNA strand
To unwind the DNA double helix
#15
Which of the following is NOT a characteristic of eukaryotic cells?
Presence of a nucleus
Presence of membrane-bound organelles
Smaller size compared to prokaryotic cells
Complex cellular structure
#16
What is the function of white blood cells in the immune system?
Transporting oxygen
Producing antibodies
Carrying nutrients
Clotting blood
#17
Which of the following is NOT a component of the cardiovascular system?