What is the primary function of the plant cuticle?
Gas exchange
Water retention and protection
Photosynthesis
Nutrient absorption
Correct Answer :
B. Water retention and protection
Related Questions
What is the main function of the kidneys in the human body?
Regulation of blood sugar levels
Production of red blood cells
Filtration of blood and excretion of waste products
Digestion of food
What is the primary source of energy for most ecosystems?
Wind
Water
Sunlight
Geothermal heat
What is the process by which segments of DNA are shuffled during the formation of gametes, leading to genetic diversity?
Meiosis
Mitosis
Replication
Crossing over
In which type of population distribution are individuals evenly spaced throughout their habitat?
Random dispersion
Clumped dispersion
Uniform dispersion
Overlapping dispersion
What is the largest organ in the human body?
Brain
Liver
Skin
Heart
What is the function of the human liver?
Filtration of blood
Regulation of blood sugar levels
Production of bile and detoxification
Transport of oxygen
Which cell organelle contains digestive enzymes and is involved in cellular waste disposal?
Mitochondria
Nucleus
Lysosome
Chloroplast
Which of the following is NOT a method of seed dispersal in plants?
Wind
Water
Insects
Gravity
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
What is the term for a gene that is expressed when present, even if only one copy is present in an individual's genotype?
Recessive
Dominant
Co-dominant
Allelic
Which class of vertebrates includes animals with scales, a bony skeleton, and a two-chambered heart?
Mammals
Amphibians
Reptiles
Birds
What is the primary function of the root system in plants?
Photosynthesis
Anchoring the plant and absorbing water and nutrients
Producing flowers and fruits
Transporting sugars
What term describes the role a species plays in its ecosystem, including its interactions with other species and its use of resources?
Niche
Habitat
Territory
Ecosystem role
Which organelle is responsible for protein synthesis?
Golgi apparatus
Ribosome
Endoplasmic reticulum
Lysosome
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
The study of the geographic distribution of species is known as:
Biogeography
Ecology
Ethology
Taxonomy
Which of the following is a bacterial disease that primarily affects the respiratory system and can be prevented by vaccination?
Tuberculosis
Malaria
Cholera
Whooping cough (Pertussis)
Which of the following is NOT a function of the cell wall in plant cells?
Providing structural support
Regulating osmotic balance
Facilitating cell communication
Protecting against pathogens
What is the name of the enzyme that unwinds and separates the DNA strands during replication?
RNA polymerase
Ligase
Helicase
Polymerase chain reaction (PCR)
What type of plant tissue is responsible for transporting water and nutrients throughout the plant?
Epidermis
Xylem
Phloem
Cortex
What is the function of the human gallbladder?
Storage of bile
Production of insulin
Digestion of proteins
Filtration of blood
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
In which type of plant tissue does most of the photosynthesis occur?
Xylem
Phloem
Epidermis
Mesophyll
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
Which biome is characterized by cold temperatures, permafrost, and a lack of trees?
Tundra
Desert
Tropical rainforest
Grassland
Which hominid species is known for its use of fire and tools, and is believed to be the first to migrate out of Africa?
Neanderthals
Homo erectus
Australopithecus afarensis
Homo habilis
Which type of survivorship curve is characterized by a high mortality rate in early life, followed by high survivorship in later life?
Type I
Type II
Type III
Type IV
What is the term for the process by which two unrelated species evolve similar traits in response to similar environmental pressures?
Natural selection
Convergent evolution
Artificial selection
Coevolution
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 of the following is NOT a method of bacterial reproduction?
Binary fission
Budding
Conjugation
Meiosis