RRB Assistant Loco Pilot - Human body systems, diseases and reproduction Online Test (MCQ Quiz)

1. Which organ is primarily responsible for filtering blood and producing urine in the human body?

A) Liver B) Heart C) Kidneys D) Lungs

2. The process by which plants make their own food using sunlight, water, and carbon dioxide is called:

A) Respiration B) Transpiration C) Photosynthesis D) Fermentation

3. Which of the following is a viral disease?

A) Tuberculosis B) Malaria C) Cholera D) Influenza

4. The male reproductive cell is called:

A) Ovum B) Sperm C) Zygote D) Embryo

5. What is the largest organ of the human body?

A) Brain B) Liver C) Skin D) Heart

6. Which part of the human eye controls the amount of light entering it?

A) Retina B) Cornea C) Iris D) Pupil

7. A disease caused by a deficiency of Vitamin D is:

A) Scurvy B) Night blindness C) Rickets D) Anemia

8. The process of fusion of male and female gametes is known as:

A) Gestation B) Ovulation C) Fertilization D) Implantation

9. Which system is responsible for transporting oxygen, nutrients, and hormones throughout the body?

A) Respiratory system B) Digestive system C) Circulatory system D) Nervous system

10. What is the primary function of red blood cells?

A) Fighting infection B) Clotting blood C) Transporting oxygen D) Producing antibodies

11. Which disease is spread by the Aedes mosquito?

A) Malaria B) Typhoid C) Dengue D) Tuberculosis

12. In human reproduction, fertilization typically occurs in the:

A) Uterus B) Ovary C) Fallopian tube D) Vagina

13. The brain is part of which human body system?

A) Endocrine system B) Nervous system C) Skeletal system D) Muscular system

14. Which of the following is a bacterial disease?

A) Chickenpox B) Measles C) Pneumonia D) Rabies

15. The development of an embryo from a zygote is called:

A) Meiosis B) Mitosis C) Gestation D) Fertilization

16. Which hormone is responsible for regulating blood sugar levels?

A) Thyroxine B) Adrenaline C) Insulin D) Estrogen

17. What is the main function of the lungs?

A) Digesting food B) Pumping blood C) Exchange of gases (oxygen and carbon dioxide) D) Filtering waste

18. Which of these is NOT a communicable disease?

A) AIDS B) Diabetes C) Tuberculosis D) Malaria

19. The female reproductive cell is called:

A) Sperm B) Zygote C) Ovum D) Embryo

20. The process by which food is broken down into simpler substances that can be absorbed by the body is called:

A) Circulation B) Respiration C) Digestion D) Excretion

21. Which part of the cell contains the genetic material (DNA)?

A) Cytoplasm B) Cell membrane C) Nucleus D) Ribosome

22. What is the role of white blood cells?

A) Transport oxygen B) Clot blood C) Defend the body against infection D) Carry nutrients

23. Which disease affects the joints and causes pain and stiffness?

A) Osteoporosis B) Arthritis C) Anemia D) Asthma

24. The period of development of a fetus inside the uterus is called:

A) Ovulation B) Fertilization C) Gestation D) Implantation

25. Which system provides a framework for the body and protects internal organs?

A) Muscular system B) Nervous system C) Skeletal system D) Circulatory system

26. What is the organ that produces bile, essential for digestion?

A) Stomach B) Pancreas C) Liver D) Gallbladder

27. Which of the following is a deficiency disease caused by lack of iron?

A) Scurvy B) Anemia C) Rickets D) Goiter

28. The process of releasing a mature ovum from the ovary is called:

A) Fertilization B) Implantation C) Menstruation D) Ovulation

29. Which part of the nervous system is responsible for coordinating voluntary movements and balance?

A) Cerebrum B) Cerebellum C) Brainstem D) Spinal cord

30. What is the primary role of the digestive system?

A) Transport oxygen B) Break down food and absorb nutrients C) Remove waste products D) Regulate body temperature

31. Which disease is caused by a lack of iodine in the diet?

A) Anemia B) Diabetes C) Goiter D) Rickets

32. The structure formed by the union of sperm and egg is called:

A) Embryo B) Zygote C) Fetus D) Gamete

33. Which system is responsible for producing hormones that regulate various bodily functions?

A) Nervous system B) Circulatory system C) Endocrine system D) Excretory system

34. What is the main component of blood responsible for carrying oxygen?

A) White blood cells B) Platelets C) Plasma D) Red blood cells

35. Which of the following is a sexually transmitted infection (STI)?

A) Tuberculosis B) Malaria C) Syphilis D) Cholera

36. The process by which an embryo attaches to the uterine wall is called:

A) Fertilization B) Ovulation C) Implantation D) Gestation

37. Which organ is known as the 'powerhouse' of the cell?

A) Nucleus B) Ribosome C) Mitochondrion D) Endoplasmic reticulum

38. What is the function of the skeletal system?

A) Producing antibodies B) Supporting and protecting the body C) Transporting nutrients D) Digesting food

39. Which disease is characterized by uncontrolled cell growth?

A) Diabetes B) Hypertension C) Cancer D) Arthritis

40. The process of cell division that results in two identical daughter cells is called:

A) Meiosis B) Mitosis C) Fertilization D) Mutation

41. Which hormone is produced by the adrenal glands and is involved in the 'fight or flight' response?

A) Insulin B) Thyroxine C) Adrenaline D) Estrogen

42. What is the primary function of the urinary system?

A) Transporting oxygen B) Filtering waste products from the blood and producing urine C) Digesting food D) Regulating body temperature

43. Which of the following is a protozoan disease?

A) Tuberculosis B) Malaria C) Influenza D) Cholera

44. In human males, the primary reproductive organs are the:

A) Prostate glands B) Seminal vesicles C) Testes D) Vas deferens

45. The process of breathing in and out is known as:

A) Circulation B) Respiration C) Ventilation D) Digestion

46. Which part of the brain is responsible for higher-level thinking, such as reasoning and problem-solving?

A) Cerebellum B) Brainstem C) Medulla oblongata D) Cerebrum

47. What is the name of the disease caused by the human immunodeficiency virus (HIV)?

A) Hepatitis B) Malaria C) AIDS D) Tuberculosis

48. The process of producing new individuals from existing ones is called:

A) Nutrition B) Growth C) Reproduction D) Respiration

49. Which type of cell division is responsible for producing gametes?

A) Mitosis B) Binary fission C) Meiosis D) Budding

50. The human body's defense system against pathogens is called the:

A) Digestive system B) Nervous system C) Immune system D) Endocrine system

Human body systems, diseases and reproduction - Online Test

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