Histology — MCQs Biology – T4Tutorials .PK

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1. Histology is the study of:
(A) Ecosystems
(B) Organs only
(C) Cells only
(D) Tissues and their structure

2. The four basic types of animal tissues are:
(A) Epithelial, muscular, epidermal, connective
(B) Epithelial, connective, muscular, nervous
(C) Connective, vascular, dermal, nervous
(D) Muscular, glandular, epithelial, skeletal

3. Epithelial tissue is specialized for:
(A) Energy production only
(B) Movement only
(C) Covering and lining surfaces
(D) Photosynthesis

4. Squamous epithelium is:
(A) Cuboidal
(B) Flat and thin
(C) Columnar
(D) Ciliated

5. Cuboidal epithelium is:
(A) Cube-shaped cells
(B) Flat cells
(C) Tall column-shaped cells
(D) Multilayered flat cells

6. Columnar epithelium is:
(A) Tall and column-like
(B) Flat
(C) Cube-shaped
(D) Irregular

7. Simple epithelium consists of:
(A) Glandular structures only
(B) Multiple layers
(C) A single layer of cells
(D) Connective fibers only

8. Stratified epithelium consists of:
(A) Multiple layers of cells
(B) Single layer
(C) Connective tissue only
(D) Muscle tissue only

9. Pseudostratified epithelium appears stratified but:
(A) Cells are cuboidal only
(B) Only some cells touch the surface
(C) Cells are flat
(D) All cells touch the basal lamina

10. Ciliated epithelium is specialized for:
(A) Secretion only
(B) Movement of mucus or particles
(C) Absorption only
(D) Structural support only

11. Goblet cells are:
(A) Muscle cells
(B) Mucus-secreting cells
(C) Connective cells
(D) Nervous cells

12. Connective tissue connects and supports:
(A) Only nervous tissue
(B) Only muscles
(C) Only bones
(D) Other tissues and organs

13. Fibroblasts are:
(A) Cells that produce connective tissue fibers
(B) Muscle fibers
(C) Neural cells
(D) Epithelial cells

14. Collagen fibers provide:
(A) Strength and flexibility
(B) Conduction
(C) Photosynthesis
(D) Energy only

15. Elastic fibers provide:
(A) Only strength
(B) Stretch and recoil
(C) Energy storage
(D) Muscle contraction

16. Reticular fibers form:
(A) Muscular tissue only
(B) Network supporting organs
(C) Nervous connections
(D) Bone tissue

17. Cartilage is:
(A) Nervous tissue
(B) Hard bone
(C) Muscle tissue
(D) A flexible connective tissue

18. Hyaline cartilage is:
(A) Glassy, smooth cartilage found in joints
(B) Elastic cartilage
(C) Fibrocartilage
(D) Bone

19. Elastic cartilage is:
(A) Fibrocartilage
(B) Glassy cartilage
(C) Cartilage with flexible fibers
(D) Bone

20. Fibrocartilage is:
(A) Elastic cartilage
(B) Glassy cartilage
(C) Tough cartilage with dense fibers
(D) Bone

21. Bone tissue is:
(A) Flexible tissue
(B) Hard connective tissue containing osteocytes
(C) Muscle tissue
(D) Nervous tissue

22. Osteocytes are:
(A) Cartilage cells
(B) Mature bone cells
(C) Muscle cells
(D) Nerve cells

23. Blood is considered:
(A) Connective tissue
(B) Epithelial tissue
(C) Muscle tissue
(D) Nervous tissue

24. Red blood cells (RBCs) transport:
(A) Proteins
(B) Carbon dioxide only
(C) Hormones
(D) Oxygen

25. White blood cells (WBCs) function in:
(A) Oxygen transport
(B) Immunity
(C) Nutrient transport
(D) Muscle contraction

26. Platelets are involved in:
(A) Oxygen transport
(B) Blood clotting
(C) Hormone secretion
(D) Nerve conduction

27. Skeletal muscle is:
(A) Striated and voluntary
(B) Smooth and involuntary
(C) Cardiac and involuntary
(D) Connective only

28. Cardiac muscle is:
(A) Striated and involuntary
(B) Smooth and voluntary
(C) Skeletal and voluntary
(D) Connective only

29. Smooth muscle is:
(A) Connective only
(B) Striated and voluntary
(C) Cardiac only
(D) Non-striated and involuntary

30. Nervous tissue consists of:
(A) Epithelial cells only
(B) Muscle fibers only
(C) Connective fibers only
(D) Neurons and neuroglia

31. Neurons are specialized for:
(A) Support only
(B) Secretion only
(C) Contraction only
(D) Transmission of nerve impulses

32. Neuroglia provide:
(A) Photosynthesis
(B) Conduct impulses only
(C) Muscle contraction
(D) Support and protection to neurons

33. Cell junctions in tissues include:
(A) Only desmosomes
(B) Tight junctions, desmosomes, gap junctions
(C) Only tight junctions
(D) Only gap junctions

34. Tight junctions prevent:
(A) Leakage between cells
(B) Nerve conduction
(C) Muscle contraction
(D) Photosynthesis

35. Gap junctions allow:
(A) Exchange of ions and small molecules
(B) Muscle contraction
(C) Blood flow
(D) Photosynthesis

36. Desmosomes provide:
(A) Ion transport
(B) Mechanical strength
(C) Energy production
(D) Photosynthesis

37. Basement membrane is:
(A) Muscle fibers
(B) Extracellular layer supporting epithelial tissue
(C) Connective tissue only
(D) Nervous tissue only

38. Glandular epithelium forms:
(A) Muscle only
(B) Connective tissue only
(C) Exocrine and endocrine glands
(D) Nervous tissue only

39. Endocrine glands secrete:
(A) Lipids only
(B) Enzymes onto surfaces
(C) Proteins only
(D) Hormones into blood

40. Exocrine glands secrete:
(A) Nerve impulses
(B) Hormones only
(C) Blood cells
(D) Substances through ducts

41. Merocrine secretion involves:
(A) Cell rupture
(B) Exocytosis without loss of cytoplasm
(C) Lipid droplet release only
(D) DNA release

42. Apocrine secretion involves:
(A) Release of product with portion of cytoplasm
(B) Exocytosis only
(C) Cell rupture only
(D) DNA secretion

43. Holocrine secretion involves:
(A) Entire cell disintegrates to release product
(B) Only exocytosis
(C) Only apocrine release
(D) DNA only

44. Adipose tissue stores:
(A) Protein
(B) Fat
(C) Glycogen only
(D) Minerals only

45. Reticular tissue forms:
(A) Bone tissue
(B) Supportive framework for organs like lymph nodes
(C) Muscle tissue only
(D) Nervous tissue only

46. Elastic cartilage is found in:
(A) Knee joint
(B) Ear and epiglottis
(C) Intervertebral discs
(D) Skull only

47. Fibrocartilage is found in:
(A) Intervertebral discs
(B) Ear
(C) Nose tip
(D) Trachea

48. Hyaline cartilage is found in:
(A) Trachea and ends of long bones
(B) Ear only
(C) Intervertebral discs only
(D) Heart only

49. Bone tissue is classified into:
(A) Fibro and reticular
(B) Hyaline and elastic
(C) Compact and spongy
(D) Nervous and muscular

50. The functional unit of compact bone is:
(A) Myofibril
(B) Chondrocyte
(C) Fibroblast
(D) Osteon or Haversian system