NEET Biology Practice Test

These questions are part of the practice quiz. Start practicing

• The presence of gill slits in embryos of all vertebrates supports which theory?
• What type of prokaryotes thrive in very deep marine sediments?
• What is the scientific study of soil known as?
• Which term describes the variety of different species in a given area?
• What is the basic unit of life?
• In what context is the term "living fossil" used?
• Which component of plant cells is responsible for structural support?
• What characterizes aerobic respiration?
• Which evolutionary mechanism is involved in creating new species from a common ancestor?
• What does the concept of parallelism refer to in evolutionary biology?
• According to Oparin, which of the following gases was not present in the Earth's primitive atmosphere?
• What is the genetic code composed of?
• In RNA, which base substitutes for thymine found in DNA?
• Which type of organism is believed to have been the first life on Earth?
• What experiment did Weismann conduct to challenge Lamarckism?
• What are enzymes primarily responsible for in biological systems?
• What is the basic structural and functional unit of life?
• What does the term 'living fossil' commonly refer to?
• In evolutionary terms, what does adaptive convergence lead to?
• What type of bond holds the two strands of DNA together?
• What type of RNA is directly involved in protein synthesis?
• Which organism is considered a living fossil?
• What role does water play in the function of the large intestine?
• Which of the following best describes the theory proposed by Lamarck?
• Which gas was absent in the atmosphere at the time of the origin of life?
• Who authored "Origin of Species"?
• What is the primary cause of antibiotic resistance in bacteria?
• What term describes the phenomenon where organisms resemble others to avoid predation?
• What are the two main types of cells in the human body?
• What does the term "ecosystem" refer to?
• What macromolecule is responsible for long-term energy storage in organisms?
• Enzymes are primarily classified as which type of biomolecule?
• What ability distinguishes living organisms from non-living things?
• Who pronounced the basic principles of embryonic development?
• What is the main function of chlorophyll in plants?
• What is the role of mitochondria in cells?
• Which scientist proposed the theory of "Continuity of Germplasm"?
• What mechanism would most likely result in a population becoming less diverse over time?
• Which organelle is known as the powerhouse of the cell?
• What is the warm ocean surge that recurs every 5-8 years along the East Pacific of South America?
• What is the primary function of chlorophyll in plants?
• In what organisms does anaerobic respiration primarily occur?
• In which phase of the cell cycle does the cell prepare for division?
• What type of respiration would yeast undergo in an oxygen-rich environment?
• Which biological process is primarily responsible for energy production in cells?
• Which organelle is referred to as the powerhouse of the cell?
• What type of biomolecule is primarily responsible for the storage of genetic information?
• What is a characteristic of adaptive radiation?
• What is the role of ribosomes in a cell?
• Which process in plants is directly affected by light intensity?
• Which of the following pairs represents homologous organs?
• The study of fossils is referred to as:
• What process is used by bacteria to reproduce asexually?
• What is the main component necessary for the existence of life as we know it on Earth?
• Which one of the following is classified as a living fossil?
• Biological organization starts at which level?
• What is the smallest unit of matter that retains the properties of an element?
• Homeostasis is best defined as:
• Which organ system is responsible for hormonal regulation in the body?
• Which blood component is primarily responsible for oxygen transport?
• What is the main role of chloroplasts in plant cells?
• The frequency of a character increases when it is:
• Which of the following best describes the function of ribosomes?
• In which part of the cell does cellular respiration primarily occur?
• Which energy process occurs in the mitochondria?
• What structure in the brain is responsible for coordination and balance?
• What adaptation process allows individuals to survive and reproduce in their specific environments?
• Which system in the human body is responsible for transporting nutrients and oxygen?
• Who proposed the theory of inheritance of acquired characters?
• What type of molecule is glycogen?
• What phenomenon is illustrated by hummingbirds and hawks?
• Which of the following describes the two types of immune responses?
• Which of the following does not favor the Lamarckian concept of inheritance of acquired characteristics?
• What is the role of chlorophyll in photosynthesis?
• What structure carries genetic information in eukaryotic cells?
• Which process leads to the formation of gametes?
• What does genetic drift refer to in a population?
• Which organelle is known as the powerhouse of the cell?
• Which two geographical regions are separated by high mountains?
• What is the main function of chlorophyll in plants?
• In what scenario is anaerobic respiration primarily advantageous?
• Which process generates more energy per glucose molecule?
• Which of the following is irrelevant to the evolution of man?
• What type of bond holds the two strands of DNA together?
• What does the term evolution refer to in biology?
• What is a mutation?
• Which organ is considered the control center of the nervous system?
• What is the primary role of decomposers in an ecosystem?
• What is meant by a trophic level in ecology?
• Which of the following is an example of a social insect?
• Which of the following processes is faster in terms of ATP production?
• What are the basic units of heredity?
• What term describes the maintenance of a stable internal environment in an organism?
• What is the main function of the immune system?
• Adenine is classified as which type of molecule?
• What era is commonly referred to as the Golden Age of Dinosaurs?
• The theory of natural selection emphasizes which of the following?
• Name the protein that helps in the transport of oxygen in the blood.
• A nucleotide is composed of which three components?
• What is the primary reason there is no life on the moon?
• Who is correctly matched with the theory they proposed?
• Which of the following sets includes only vestigial structures in humans?
• What is the main purpose of vaccination in the immune system?
• Which method detects the presence of specific radioactive elements in rock layers to determine their age?
• Which system in the body is primarily responsible for regulating metabolic activities?
• What type of inheritance is shown by a trait that is controlled by multiple genes?
• Which of the following organisms is classified as a living fossil?
• Where does the Krebs cycle occur within a cell?
• Which type of fossils are primarily analyzed using the electron spin resonance method?
• What type of plants are known to have adaptations to dry environments?
• What term is used for the employment of hereditary principles to improve the human race?
• What role does feedback play in homeostasis?
• What are the four main components of DNA?
• Name the largest organ in the human body.
• What is the primary structure of a cell membrane?
• Which type of RNA carries the genetic information from DNA to the ribosome?
• Which of the following is a key characteristic of the Mesozoic era?
• Which dating method is considered to be the most accurate for determining the age of fossils?
• Which of the following is NOT a criterion for life?
• What macromolecule serves as the primary energy source for cells?
• Where is more than 70% of the world's fresh water found?
• Which substance is commonly produced during anaerobic respiration in yeast?
• What does evolutionary convergence involve?
• What is a fundamental characteristic of all living systems?
• Name the pigment responsible for capturing light in plants.
• In which organ does the majority of nutrient absorption occur?
• What role do catalysts play in biological reactions?
• What type of muscle tissue is involuntary and found in the walls of internal organs?
• What is the primary function of red blood cells in the human body?
• What type of organisms were the first to evolve on Earth?
• What term describes organisms that obtain energy by oxidizing reduced inorganic compounds?
• During which process is glucose primarily broken down to yield energy?
• Which process is primarily responsible for the conversion of solar energy into chemical energy in plants?
• Which part of the brain is primarily responsible for coordinating balance and movement?
• What is the function of enzymes in biological reactions?
• What type of evolution does the adaptation of the peppered moth demonstrate?
• What type of cell division results in gametes?
• What is the primary role of neurotransmitters in the nervous system?
• Which process allows plants to convert light energy into chemical energy?
• Homologous organs are similar in which aspect?
• What is an example of a negative feedback loop in humans?
• Relative Biological Effectiveness (RBE) primarily occurs due to the damage caused by what?
• What is the primary function of the spleen in the human body?
• What is a significant advantage of aerobic respiration over anaerobic respiration?
• Which macromolecule plays a crucial role in cell signaling and forms biological membranes?
• Which method has been recently used to more accurately determine the age of fossils?
• Which statement best defines natural selection?
• What distinguishes photolithotrophs from other organisms?
• What does an ecosystem's carrying capacity refer to?
• What is the process by which glucose is broken down to release energy?
• What is the primary function of the endoplasmic reticulum?
• The phenomenon where an orchid resembles a female insect to facilitate pollination is called what?
• If there was no CO2 in Earth's atmosphere, what would likely be the state of the Earth's surface temperature?
• In cells, which structure is involved in packaging and modifying proteins?
• What are the building blocks of proteins?
• Which of the following is NOT an innate escape mechanism for animals to avoid predation?
• What is a key byproduct of anaerobic respiration?
• Which type of macromolecule includes structural components of cells?
• In what environment do barophilic prokaryotes predominantly grow?
• In animals, where does gas exchange typically occur?
• Which macromolecule is most abundant in the structure of cell membranes?
• Which part of the plant is primarily involved in photosynthesis?
• What is the end product of aerobic respiration?
• Which organelle is involved in the modification and packaging of proteins?
• What is the primary function of the kidneys?
• How do plants primarily absorb water from the soil?
• What is the approximate CO2 content by volume in atmospheric air?
• Which of the following is NOT a function of the large intestine?
• What is considered the earliest fossil form in the phylogeny of a horse?
• Which types of organisms are known to produce carbohydrates, the most abundant biomolecules on Earth?
• Which type of selection favors extreme variations over moderate ones?
• What is the primary reason for the diversity in living beings?
• Who is most associated with the concept of 'survival of the fittest'?
• What type of symbiotic relationship benefits one organism while harming the other?
• Which of the following represents a major concept related to the evolutionary theory?
• What is the process by which RNA is synthesized from a DNA template?
• Name the main component of plant cell walls.
• What is the main function of the immune system?
• Which organic compound is most abundant on Earth?
• Which of the following describes the primary functions of the circulatory system?
• What is the correct order of geological eras?
• What is the primary function of fat in the human body?
• What is the process of programmed cell death called?
• What is the main function of the large intestine?