MCQs Zoology [17] Posted on 2025-02-15Author admin 0 1. ——–mechanisms is NOT a source of genetic variation Genetic recombination Gene flow Natural selection Mutation 2. Organ primarily responsible for filtering blood in mammals Heart Spleen Liver Kidney 3. ———-is the main cause of species extinction in modern times Habitat destruction Genetic mutations Competition from native species Natural disasters 4. At ———- stage of the malaria parasite, it is transmitted through insect bites Trophozoite Gametocyte Merozoite Sporozoite 5. ———– muscles are responsible for voluntary movements? Involuntary muscle Skeletal muscle Cardiac muscle Smooth muscle 6. —————is an example of a homozygous recessive genotype AB AA aa Aa 7. ——– is known for his work on the inheritance of acquired characteristics Charles Darwin Gregor Mendel Jean-Baptiste Lamarck Alfred Russel Wallace 8. ——— is the primary function of red blood cells (RBCs) Oxygen transport Clotting Waste removal Immune response 9. ——– is the part of the brain, responsible for coordination and balance Cerebrum Hypothalamus Cerebellum Medulla oblongata 10. The role an organism plays in its ecosystem is called ——– Population Habitat Niche Community Loading …