What is the name of the protein that carries oxygen in red blood cells?
Insulin
Hemoglobin
Collagen
Myoglobin
Correct Answer :
B. Hemoglobin
Related Questions
Which cell organelle contains digestive enzymes and is involved in cellular waste disposal?
Mitochondria
Nucleus
Lysosome
Chloroplast
Which of the following is a characteristic of mammals?
Cold-blooded
Lay eggs
Have mammary glands
Breathe through gills
Which of the following is a sex-linked genetic disorder?
Huntington's disease
Down syndrome
Hemophilia
Cystic fibrosis
What term describes the process by which animals adjust their internal biological clocks to match the daily cycle of light and dark in their environment?
Hibernation
Migration
Circadian rhythm
Nocturnal behavior
What is the term for the maximum number of individuals of a species that an ecosystem can support indefinitely?
Carrying capacity
Population density
Limiting factor
Exponential growth
Which plant hormone is responsible for promoting cell elongation and growth in response to light?
Auxin
Gibberellin
Ethylene
Cytokinin
Which process involves the copying of DNA into a complementary RNA molecule?
Transcription
Translation
Replication
Mutation
Which of the following is a viral disease transmitted through the bite of infected mosquitoes?
Tuberculosis
Malaria
Influenza
Lyme disease
Which of the following is NOT a method of bacterial reproduction?
Binary fission
Budding
Conjugation
Meiosis
Which of the following is a female reproductive disorder characterized by the growth of abnormal tissue in and around the uterus?
Endometriosis
Ovarian cysts
Polycystic ovary syndrome (PCOS)
Ectopic pregnancy
Which microorganism is responsible for the majority of human yeast infections?
Bacteria
Virus
Fungus
Protist
What is the name of the enzyme in saliva that begins the digestion of starches?
Pepsin
Amylase
Trypsin
Lipase
Which of the following is NOT a method of seed dispersal in plants?
Wind
Water
Insects
Gravity
The relationship between a bee and a flower, where the bee obtains nectar and pollen while aiding in pollination, is an example of:
Mutualism
Parasitism
Competition
Commensalism
Which part of a plant is responsible for producing seeds?
Stem
Leaf
Flower
Root
What is the primary function of the fallopian tubes in the female reproductive system?
Menstruation
Fertilization of the egg by sperm
Implantation of the fertilized egg in the uterus
Production of estrogen
What is the term for the process by which a pathogen is recognized and neutralized by the immune system upon subsequent exposure?
Vaccination
Antibody production
Immunity
Immune response
Which term refers to the variety of life on Earth, including the diversity of species, ecosystems, and genetic variation within species?
Sustainability
Biodiversity
Ecology
Conservation
In which type of population distribution are individuals evenly spaced throughout their habitat?
Random dispersion
Clumped dispersion
Uniform dispersion
Overlapping dispersion
The smallest unit of a chemical element that retains the properties of that element is called:
Atom
Molecule
Cell
Tissue
Which of the following is a characteristic of arachnids?
Six legs
Two pairs of antennae
Exoskeleton made of chitin
Segmented body
In which plant tissue does most photosynthesis occur?
Epidermis
Xylem
Phloem
Mesophyll
What is the term for the study of human societies, cultures, and behaviors?
Sociology
Anthropology
Psychology
Archaeology
Which type of muscle is responsible for voluntary movements in the body?
Smooth muscle
Cardiac muscle
Skeletal muscle
Involuntary muscle
What is the term for the process by which modern humans gradually replaced archaic humans, such as Neanderthals, through migration and competition?
Speciation
Coevolution
Extinction
Out-of-Africa hypothesis
What type of plant tissue is responsible for transporting water and nutrients throughout the plant?
Epidermis
Xylem
Phloem
Cortex
Which level of ecological organization includes all the biotic and abiotic factors in a given area?
Population
Community
Ecosystem
Biosphere
What is the term for the process by which an animal forms a social attachment to another object or organism, often occurring shortly after birth?
Conditioning
Habituation
Reflex
Imprinting
Which type of learning occurs when an animal associates a neutral stimulus with a meaningful stimulus to produce a response?
Classical conditioning
Operant conditioning
Habituation
Imprinting
What is the primary pigment responsible for photosynthesis in plants?
Chlorophyll
Carotene
Xanthophyll
Phycobilin