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Question: How many bones are in the adult human skeleton?Options: 206210215220Correct Answer: 206Sol..
Question: What is the average number of teeth in an adult human mouth?Options: 28303234Correct Answe..
Question: How many vertebrate classes are there?Options: 4567Correct Answer: 5Solution: There are 5 ..
Question: What is the typical number of eggs produced by a female frog in a single spawning?Options:..
Question: How many species of mammals are currently recognized?Options: 4000500060007000Correct Answ..
Question: What is the average lifespan of a red blood cell in humans?Options: 30 days60 days90 days1..
Question: How many pairs of chromosomes do humans have?Options: 22232446Correct Answer: 23Solution: ..
Question: What percentage of animal species are invertebrates?Options: 50%70%90%95%Correct Answer: 9..
Question: How many chambers does a typical mammalian heart have?Options: 2345Correct Answer: 4Soluti..
Question: What is the total number of recognized animal phyla?Options: 25303540Correct Answer: 30Sol..
Question: Which of the following is a key feature of the phylum Chordata?Options: NotochordExoskelet..
Question: What type of symmetry is exhibited by most echinoderms?Options: Bilateral symmetryRadial s..
Question: Which of the following is a defining feature of reptiles?Options: Moist skinFeathersScales..
Question: What is the primary role of the placenta in mammals?Options: Nutrient absorptionGas exchan..
Question: Which of the following is NOT a characteristic of arthropods?Options: ExoskeletonJointed a..
Question: What is the term for the evolutionary process by which unrelated organisms develop similar..
Question: In which group of animals does external fertilization primarily occur?Options: MammalsBird..
Question: Which of the following structures is responsible for gas exchange in mammals?Options: Bron..
Question: What is the primary function of the swim bladder in fish?Options: RespirationBuoyancy cont..
Question: Which of the following is a primary function of the skeletal system?Options: Production of..
Question: What type of symmetry do most echinoderms exhibit?Options: Bilateral symmetryRadial symmet..
Question: What is the term for the evolutionary process by which species adapt to their environment?..
Question: What is the main purpose of the circulatory system?Options: To produce hormonesTo transpor..
Question: Which type of animal is known for undergoing metamorphosis?Options: FishMammalsAmphibiansR..
Question: What is the primary function of the excretory system in animals?Options: To produce energy..
Question: Which of the following animal groups is characterized by having a notochord at some stage ..
Question: What is the primary mode of reproduction in most reptiles?Options: Live birthEgg-layingBud..
Question: Which structure is primarily responsible for the production of hormones in the human body?..
Question: Which of the following animal groups is primarily aquatic and has gills for respiration?Op..
Question: What is the primary evolutionary advantage of bilateral symmetry in animals?Options: Incre..
