1. Which part of the frog’s anatomy aids in the capture of prey? A. Tongue B. Mouth C. Teeth D. Eyelids
2. Which structure in earthworms helps them anchor in the soil? A. Setae B. Clitellum C. Gizzard D. Heart
3. Which of the following is the main function of the crop in earthworms? A. Food storage B. Food digestion C. Waste removal D. Nutrient absorption
4. How does Plasmodium infect human red blood cells? A. By producing toxins that damage the cells B. By entering the cells and replicating inside them C. By causing the body to release more red blood cells D. By binding to the surface of red blood cells
5. Which of the following organisms is responsible for carrying out external fertilization? A. Earthworm B. Frog C. Human D. Mosquito
6. Which of the following is true about the circulatory system of earthworms? A. It is open B. It is closed C. It lacks blood vessels D. It uses hemolymph
7. Which of the following is the primary method of transmission of Plasmodium? A. Waterborne B. Airborne C. Vector-borne D. Direct contact
8. Which of the following is true about Plasmodium's life cycle in mosquitoes? A. The mosquito becomes infected by eating human blood B. Sexual reproduction occurs in the human liver C. Asexual reproduction occurs in the human red blood cells D. Asexual reproduction occurs in the mosquito’s gut
9. Which part of the earthworm’s body contains the most setae? A. Anterior B. Posterior C. Mid-body D. Head
10. Which structure in the frog is responsible for producing bile? A. Liver B. Gall bladder C. Pancreas D. Intestine
11. How do earthworms contribute to soil fertility? A. By decomposing dead plants B. By mixing organic and inorganic matter C. By excreting nutrients D. All of the above
12. Which structure in frogs is primarily responsible for maintaining balance during jumping? A. Tympanic membrane B. Leg muscles C. Hindlimbs D. Brain
13. Which of the following organs in the frog helps with the secretion of bile? A. Pancreas B. Liver C. Small intestine D. Kidneys
14. Which of the following is a characteristic of Plasmodium parasites? A. They undergo both sexual and asexual reproduction B. They reproduce only sexually C. They reproduce only asexually D. They are transmitted via direct contact
15. Which of the following parasites is the causative agent of malaria? A. Entamoeba histolytica B. Trypanosoma C. Plasmodium D. Ascaris lumbricoides
16. Which of the following is true about the fertilization process in earthworms? A. External fertilization B. Internal fertilization C. Hermaphroditic fertilization D. None of the above
17. Which organ in the earthworm is responsible for absorbing nutrients from digested food? A. Crop B. Gizzard C. Intestine D. Pharynx
18. Which of the following is responsible for controlling the rate of breathing in frogs? A. Lungs B. Heart C. Brain D. Skin
19. Which of the following statements about Plasmodium is false? A. It is transmitted to humans through mosquito bites B. It causes the disease tuberculosis C. It infects human red blood cells D. It undergoes sexual reproduction in the mosquito
20. Frogs are primarily known for which kind of reproduction? A. External fertilization B. Internal fertilization C. Asexual reproduction D. Parthenogenesis
21. Where does the sexual reproduction of Plasmodium occur? A. In the human liver B. In the mosquito's stomach C. In the human bloodstream D. In the mosquito's salivary glands
22. Which of the following is responsible for maintaining the water balance in frogs? A. Kidneys B. Liver C. Small intestine D. Large intestine
23. Which of the following best describes the lungs of a frog? A. They are the main respiratory organs B. They are used only during the adult stage C. They are used only during the tadpole stage D. They do not perform gas exchange
24. Which of the following describes the heart of a frog? A. It has three chambers B. It has two chambers C. It has four chambers D. It has five chambers
25. Which of the following is responsible for the spread of malaria? A. Housefly B. Tsetse fly C. Mosquito D. Flea
26. Which of the following describes the type of circulatory system in earthworms? A. Open B. Closed C. Lymphatic D. Excretory
27. Which of the following is true about the frog’s heart? A. It has two atria and one ventricle B. It has four chambers C. It has two ventricles and one atrium D. It has two ventricles and two atria
28. Which of the following is the main function of the setae in earthworms? A. Absorption of nutrients B. Locomotion C. Excretion D. Digestion
29. Which of the following parts of an earthworm aids in excretion? A. Nephridia B. Pharynx C. Esophagus D. Gizzard
30. Which of the following statements about Plasmodium in humans is true? A. It lives in the human liver as merozoites B. It only infects red blood cells C. It can multiply in the lungs D. It is transmitted through direct contact
32. Which of the following is true about the frog’s external structure? A. It has no ears B. It has tympanic membranes for hearing C. It has external nostrils for breathing D. All of the above
33. Which of the following is true about the respiratory process in earthworms? A. They have lungs B. They absorb oxygen through their skin C. They use gills D. They breathe through their digestive system
34. Which of the following is true about the circulatory system of frogs? A. It is open B. It is closed C. It has two-chambered heart D. It has a three-chambered heart
35. Which part of the earthworm is responsible for the movement of food? A. Gizzard B. Intestine C. Crop D. Pharynx
36. Which of the following is true about the fertilization process of Plasmodium in mosquitoes? A. Fertilization takes place in the mosquito’s stomach B. Fertilization occurs when the mosquito bites the human C. Fertilization takes place in the salivary glands of the mosquito D. Fertilization takes place in the human liver
37. Which of the following is true about Plasmodium's life cycle in mosquitoes? A. Merozoites infect human red blood cells B. Sporozoites are transferred to humans via mosquito bites C. The parasite multiplies in the human liver D. Both B and C
38. Which of the following is true about the digestive system of frogs? A. It is incomplete B. It includes a cloaca C. It has a simple stomach D. It has a multi-chambered stomach
39. Which of the following organs in frogs helps in regulating the body temperature? A. Liver B. Skin C. Heart D. Stomach
40. Which of the following organs is responsible for the production of sperm in earthworms? A. Ovary B. Testes C. Clitellum D. Ventral nerve cord
41. Which part of the frog is responsible for controlling voluntary movements? A. Spinal cord B. Cerebellum C. Medulla oblongata D. Cortex
42. Which of the following is NOT a characteristic of earthworms? A. They have a complete digestive system B. They have a closed circulatory system C. They have lungs for respiration D. They are hermaphrodites
43. Which part of the frog's nervous system is responsible for coordinating motor functions? A. Hindbrain B. Midbrain C. Forebrain D. Spinal cord
44. What is the function of the liver in the frog's body? A. To produce bile B. To filter blood C. To digest food D. To secrete hormones
45. Which of the following is a correct statement about Plasmodium? A. It is a bacterium B. It is a fungus C. It is a protozoan D. It is a virus
46. Which of the following organisms undergoes external fertilization? A. Earthworm B. Frog C. Human D. Mosquito
47. Which of the following describes the type of circulatory system in earthworms? A. Open B. Closed C. Both D. Neither
48. Which of the following is responsible for the spread of malaria in humans? A. Tsetse fly B. Housefly C. Mosquito D. Flea
49. Which of the following is true about the structure of the frog's heart? A. It has two atria and one ventricle B. It has three atria and one ventricle C. It has two ventricles and one atrium D. It has two ventricles and two atria
50. Which of the following organisms undergoes metamorphosis in its life cycle? A. Plasmodium B. Earthworm C. Frog D. None of the above