Organs and Organ System – Definition
The group of different tissues performing same function is called organs. Each organ has its own structures and functions in the body of an organism.
Organ system is a level of organization, which is higher than organs. The group of different organs performing same functions in the body of an organism is termed as organ system.
- Formation of organs
- Formation of organ systems
All of these MCQs on Organs and Organ System in Zoology MCQs are preferably for test / interview preparation for BSc, MSc, BS (Hons), NTS, FPSC, PPSC, PTS, CSS, MDCAT, ECAT, MCAT and all other competitive examination for foreign study including overseas students.
Organs and Organ System MCQs (Questions and Answers)
Q1. Different organs are made from:
- group pf tissues
- group of different tissues
- all of the above
Q2. The function performed by the group of different tissues in order to make organs is:
Q3. The animals which lack organs and organ systems are:
- simplest animals
- All of the above
Q4. Organs and organ systems are found in which animals?
Q5. Example of organ includes:
- Circulatory system
- both a and b
Q6. Some organs have their tissue layers. True/false
Q7. Many of the organs of which animals are suspended by mesenteries?
Q8. Mesenteries are sheets of______________ tissue present in the body cavities.
- muscles tissue
- nerves tissue
- epithelial tissue
- connective tissue
Q9. The vertebrates who have an upper thoracic cavity separated from a lower abdominal cavity by a sheet of muscle called the diaphragm are:
Q10. Groups of different organs performing same functions is called ___________.
- organ system
Q11. Organ system is a level of organization lower than organs. True/False
Answer: False (higher)
Q12. Which of the following carry out major functions of vertebrates and members of most invertebrate phyla?
- Organ system
Q13. The organ system consists of several ____________.
Q14. Each organ system has its own specific functions. True/False
Q15. The efforts of all the organs must be coordinated for the survival of animals. True/False
Answer: False (organ systems)
Q16. Examples of organ systems include:
- digestive system
- respiratory system
- excretory system
- all of the above
Q17. Group of different tissues make organ system. True/False
Answer: False (organs)
Q18. Which things are absorbed from the digestive tract?
Q19. Nutrients are distributed throughout the body by the circulatory system True/False
Q20. Which organ itself depends on nutrients absorbed by the digestive tract?
Q21. The respiratory system absorbs oxygen from the air. True/False
Q22. The oxygen absorbed by the respiratory system from the air is transported to all parts of the body by_________.
- body cavities