NEET UG - Animal tissues-epithelial connective muscular nervous Online Test (MCQ Quiz)

1. Which type of epithelial tissue is characterized by a single layer of flat, scale-like cells and is found where diffusion or filtration occurs?

A) Simple cuboidal epithelium B) Simple squamous epithelium C) Simple columnar epithelium D) Stratified squamous epithelium

2. What is the primary function of simple columnar epithelium lining the digestive tract?

A) Protection from abrasion B) Secretion and absorption C) Lubrication of surfaces D) Transport of substances across membranes

3. Pseudostratified columnar epithelium, often ciliated, is typically found in which part of the respiratory system?

A) Alveoli B) Trachea C) Bronchioles D) Larynx

4. Which type of epithelial tissue provides a tough, protective outer layer and is found in the skin?

A) Simple squamous epithelium B) Transitional epithelium C) Stratified squamous epithelium D) Simple cuboidal epithelium

5. Transitional epithelium, which can stretch and recoil, is primarily found lining organs of which system?

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

6. Glandular epithelium is specialized for what function?

A) Absorption of nutrients B) Protection against mechanical stress C) Secretion of substances D) Rapid diffusion of gases

7. Exocrine glands secrete their products through:

A) The bloodstream B) Ducts C) Interstitial fluid D) Lymphatic vessels

8. Which type of connective tissue is found beneath epithelial layers and fills the space between organs?

A) Dense connective tissue B) Areolar connective tissue C) Adipose tissue D) Cartilage

9. Adipose tissue is primarily composed of cells that store:

A) Glycogen B) Proteins C) Lipids (fats) D) Minerals

10. Which type of connective tissue has a solid, flexible matrix and is found in joints, ears, and the nose?

A) Bone B) Blood C) Cartilage D) Tendons

11. Dense regular connective tissue, characterized by tightly packed collagen fibers arranged in parallel, is a major component of:

A) Ligaments and tendons B) Blood vessels C) The dermis of the skin D) The walls of the stomach

12. Which connective tissue cells produce collagen and other fibers?

A) Macrophages B) Mast cells C) Fibroblasts D) Plasma cells

13. What is the fluid matrix of blood called?

A) Cytoplasm B) Plasma C) Serum D) Interstitium

14. Which specialized connective tissue forms the rigid skeleton of the body?

A) Cartilage B) Bone C) Dense irregular connective tissue D) Adipose tissue

15. The matrix of cartilage is rich in:

A) Calcium salts B) Collagen and elastic fibers C) Elastin and reticular fibers D) Ground substance and collagen fibers

16. Which type of muscle tissue is voluntary and striated?

A) Smooth muscle B) Cardiac muscle C) Skeletal muscle D) Involuntary muscle

17. Cardiac muscle, found in the heart wall, is characterized by being:

A) Voluntary and unstriated B) Involuntary and striated C) Voluntary and striated D) Involuntary and unstriated

18. Smooth muscle is typically found in the walls of internal organs such as the:

A) Biceps and triceps B) Heart and diaphragm C) Stomach and intestines D) Tongue and diaphragm

19. The characteristic striations in skeletal and cardiac muscle are due to the arrangement of which protein filaments?

A) Actin and myosin B) Tubulin and flagellin C) Keratin and collagen D) Elastin and reticulin

20. Which feature is unique to cardiac muscle tissue?

A) Striations B) Branched cells C) Multiple nuclei per cell D) Voluntary control

21. Which type of muscle tissue is responsible for the movement of food through the digestive tract?

A) Skeletal muscle B) Cardiac muscle C) Smooth muscle D) Striated muscle

22. Nervous tissue is primarily composed of two types of cells: neurons and:

A) Muscle cells B) Epithelial cells C) Glial cells (neuroglia) D) Fibroblasts

23. What is the main function of a neuron?

A) To provide structural support B) To produce hormones C) To transmit nerve impulses D) To contract and produce movement

24. Which part of a neuron receives signals from other neurons?

A) Axon B) Dendrite C) Cell body (soma) D) Synapse

25. The long projection of a neuron that transmits impulses away from the cell body is called the:

A) Dendrite B) Axon C) Synaptic terminal D) Myelin sheath

26. Glial cells (neuroglia) in the nervous system primarily function to:

A) Generate electrical signals B) Transmit signals between neurons C) Support, insulate, and protect neurons D) Form the myelin sheath around axons

27. Which type of junction allows rapid electrical communication between adjacent cardiac muscle cells?

A) Tight junctions B) Desmosomes C) Gap junctions D) Adherens junctions

28. The basement membrane is a characteristic feature associated with which tissue type?

A) Connective tissue B) Muscle tissue C) Nervous tissue D) Epithelial tissue

29. Which of the following is NOT a type of muscle tissue?

A) Skeletal B) Smooth C) Cardiac D) Nervous

30. Which connective tissue component provides tensile strength and resists stretching?

A) Elastic fibers B) Reticular fibers C) Collagen fibers D) Ground substance

31. Mast cells, found in connective tissue, are primarily involved in:

A) Phagocytosis B) Immune responses and inflammation C) Producing extracellular matrix D) Storing lipids

32. Which epithelial tissue is specialized for secretion and often has goblet cells?

A) Stratified cuboidal epithelium B) Simple columnar epithelium C) Simple squamous epithelium D) Transitional epithelium

33. Osteocytes, the mature bone cells, reside in small cavities called:

A) Lacunae B) Canaliculi C) Haversian canals D) Volkmann's canals

34. Chondrocytes are the cells found within the matrix of:

A) Bone B) Blood C) Cartilage D) Adipose tissue

35. A collection of nerve cell bodies outside the central nervous system is called a:

A) Tract B) Nucleus C) Ganglion D) Plexus

36. Which type of gland secretes its products by the rupture of the entire cell?

A) Merocrine B) Apocrine C) Holocrine D) Endocrine

37. Intercalated discs are characteristic structures found in:

A) Skeletal muscle B) Smooth muscle C) Cardiac muscle D) Nervous tissue

38. The primary function of elastic fibers in connective tissue is to:

A) Provide strength B) Allow for stretching and recoil C) Form a supportive network D) Bind tissues together

39. Which connective tissue is found in the walls of arteries and the vocal cords, allowing for expansion and recoil?

A) Dense regular connective tissue B) Dense irregular connective tissue C) Elastic connective tissue D) Areolar connective tissue

40. The myelin sheath, which insulates axons, is formed by which type of glial cell in the peripheral nervous system?

A) Oligodendrocyte B) Schwann cell C) Astrocyte D) Microglia

41. Which layer of the skin is primarily composed of stratified squamous epithelium?

A) Dermis B) Hypodermis C) Epidermis D) Subcutaneous layer

42. Which muscular tissue is characterized by involuntary control and the presence of syncytia (multinucleated cells formed by fusion)?

A) Skeletal muscle B) Smooth muscle C) Cardiac muscle D) Skeletal and smooth muscle

43. Neurons that transmit signals from sensory receptors to the central nervous system are called:

A) Motor neurons B) Interneurons C) Sensory neurons D) Association neurons

44. Which of the following is an example of a holocrine gland?

A) Sweat gland B) Salivary gland C) Sebaceous gland D) Mammary gland

45. The matrix of connective tissue is composed of ground substance and:

A) Cells B) Fibers C) Vascular channels D) Nerve endings

46. Which type of connective tissue has an unmineralized, flexible matrix and forms the embryonic skeleton?

A) Bone B) Cartilage C) Dense connective tissue D) Blood

47. Which of the following is a function of nervous tissue?

A) Transport of oxygen B) Contraction and movement C) Communication and control D) Protection from pathogens

48. Which epithelial tissue is found lining the kidney tubules and is involved in secretion and absorption?

A) Simple squamous epithelium B) Simple columnar epithelium C) Simple cuboidal epithelium D) Stratified cuboidal epithelium

49. Dense irregular connective tissue, with its interwoven collagen fibers, is primarily found in:

A) Tendons B) Ligaments C) The dermis of the skin D) Cartilage

50. Which glial cells are phagocytic and act as the immune cells of the central nervous system?

A) Astrocytes B) Oligodendrocytes C) Microglia D) Ependymal cells

Animal tissues-epithelial connective muscular nervous - Online Test

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