How many basic types of tissues are there in humans?
A) 2
B) 3
C) 4 ✅
D) 5 Explanation: The four types are epithelial, connective, muscular, and nervous tissues.
Which tissue type lines body cavities and surfaces?
A) Muscle
B) Epithelial ✅
C) Connective
D) Nervous Explanation: Epithelial tissue covers and lines surfaces.
Which tissue connects bones to muscles?
A) Ligament
B) Tendon ✅
C) Cartilage
D) Areolar Explanation: Tendons attach muscles to bones.
Which tissue stores fat in the body?
A) Cartilage
B) Adipose ✅
C) Bone
D) Areolar Explanation: Adipose tissue stores energy as fat.
What type of muscle is found in the heart?
A) Smooth
B) Skeletal
C) Cardiac ✅
D) Voluntary Explanation: Cardiac muscle makes up the heart wall.
Which connective tissue is fluid in nature?
A) Cartilage
B) Bone
C) Blood ✅
D) Ligament Explanation: Blood is a fluid connective tissue.
Which type of epithelial tissue is found in the kidney tubules?
A) Squamous
B) Cuboidal ✅
C) Columnar
D) Transitional Explanation: Simple cuboidal epithelium is involved in secretion and absorption.
Which muscle tissue is under voluntary control?
A) Cardiac
B) Smooth
C) Skeletal ✅
D) Involuntary Explanation: Skeletal muscles can be consciously controlled.
Which connective tissue joins bones together?
A) Tendons
B) Ligaments ✅
C) Cartilage
D) Muscles Explanation: Ligaments connect bones to other bones.
Which tissue transmits impulses?
A) Epithelial
B) Connective
C) Muscular
D) Nervous ✅ Explanation: Nervous tissue conducts electrical signals.
Which epithelial tissue is thin and flat?
A) Cuboidal
B) Columnar
C) Squamous ✅
D) Transitional Explanation: Squamous epithelium has a flattened shape.
What is the main function of muscle tissue?
A) Protection
B) Absorption
C) Movement ✅
D) Support Explanation: Muscle tissue contracts to cause movement.
Which muscle type is non-striated and involuntary?
A) Skeletal
B) Cardiac
C) Smooth ✅
D) Voluntary Explanation: Smooth muscles are found in internal organs.
Bone is a type of:
A) Epithelial tissue
B) Connective tissue ✅
C) Muscle tissue
D) Nervous tissue Explanation: Bone supports and protects body structures.
Cartilage is a type of:
A) Muscular tissue
B) Nervous tissue
C) Connective tissue ✅
D) Epithelial tissue Explanation: Cartilage provides flexibility and support.
Which tissue helps in absorption in the intestine?
A) Cuboidal epithelium
B) Squamous epithelium
C) Columnar epithelium ✅
D) Transitional epithelium Explanation: Columnar cells are adapted for absorption.
What do neurons transmit?
A) Hormones
B) Impulses ✅
C) Blood
D) Enzymes Explanation: Neurons transmit electrical signals.
Where is smooth muscle found?
A) Heart
B) Biceps
C) Walls of internal organs ✅
D) Skull Explanation: Smooth muscles line the stomach, intestines, and blood vessels.
What is the function of cilia in epithelial cells?
A) Secretion
B) Absorption
C) Movement of substances ✅
D) Protection Explanation: Cilia help move substances along the surface.
Which of the following is a connective tissue?
A) Muscle
B) Blood ✅
C) Skin
D) Neuron Explanation: Blood is considered a connective tissue due to its origin and function.
🟡 Moderate Level (21–40)
Which tissue provides immunity and transport?
A) Epithelial
B) Muscular
C) Blood ✅
D) Cartilage Explanation: Blood transports cells involved in immunity.
Which epithelial tissue is found in the urinary bladder?
A) Squamous
B) Cuboidal
C) Columnar
D) Transitional ✅ Explanation: Transitional epithelium stretches as the bladder fills.
Which connective tissue cushions organs and provides elasticity?
A) Bone
B) Cartilage
C) Areolar ✅
D) Ligament Explanation: Areolar tissue binds organs and holds fluids.
Which tissue contains actin and myosin filaments?
A) Nervous
B) Connective
C) Muscular ✅
D) Epithelial Explanation: Actin and myosin are muscle proteins responsible for contraction.
What do glial cells do?
A) Conduct nerve impulses
B) Produce red blood cells
C) Support neurons ✅
D) Store fat Explanation: Glial cells support and protect neurons.
Which connective tissue connects muscles to bones?
A) Ligament
B) Tendon ✅
C) Areolar
D) Cartilage Explanation: Tendons attach skeletal muscles to bones.
Which epithelial tissue appears multilayered but is not?
A) Simple columnar
B) Stratified cuboidal
C) Pseudostratified ✅
D) Simple squamous Explanation: Pseudostratified epithelium has nuclei at different levels but is a single layer.
Which connective tissue has a solid, rigid matrix?
A) Blood
B) Cartilage
C) Bone ✅
D) Areolar Explanation: Bone has a hard matrix made of calcium salts.
Intercalated discs are found in:
A) Skeletal muscle
B) Smooth muscle
C) Cardiac muscle ✅
D) All muscles Explanation: Intercalated discs help synchronize heart contractions.
Which connective tissue forms the outer ear?
A) Hyaline cartilage
B) Elastic cartilage ✅
C) Fibrocartilage
D) Areolar Explanation: Elastic cartilage provides shape and flexibility.
The matrix of connective tissue is composed of:
A) Cells only
B) Fibers only
C) Ground substance and fibers ✅
D) Plasma only Explanation: The matrix supports connective tissue cells.
Which type of epithelial tissue allows diffusion?
A) Simple squamous ✅
B) Stratified squamous
C) Columnar
D) Cuboidal Explanation: Simple squamous epithelium allows rapid diffusion.
Which cell type in connective tissue produces fibers?
A) Mast cells
B) Adipocytes
C) Fibroblasts ✅
D) Macrophages Explanation: Fibroblasts secrete collagen and elastin.
Which tissue is responsible for peristalsis?
A) Cardiac muscle
B) Skeletal muscle
C) Smooth muscle ✅
D) Areolar tissue Explanation: Smooth muscle contractions propel contents through the GI tract.
Which of the following lacks striations?
A) Skeletal muscle
B) Cardiac muscle
C) Smooth muscle ✅
D) None Explanation: Smooth muscle cells are non-striated.
The Haversian system is a feature of:
A) Cartilage
B) Areolar tissue
C) Bone ✅
D) Muscle Explanation: It’s a structural unit in compact bone.
Neurons are specialized to:
A) Secrete enzymes
B) Store minerals
C) Conduct impulses ✅
D) Transport oxygen Explanation: Neurons transmit electrochemical signals.
Which muscle type is branched and involuntary?
A) Skeletal
B) Smooth
C) Cardiac ✅
D) None Explanation: Cardiac muscle fibers are branched and involuntary.
Which tissue repairs damaged body parts?
A) Epithelial
B) Nervous
C) Connective ✅
D) Muscular Explanation: Connective tissues aid in tissue repair and regeneration.
Which connective tissue acts as a shock absorber in joints?
A) Bone
B) Cartilage ✅
C) Areolar
D) Tendon Explanation: Cartilage cushions joints.
🔴 Hard Level (41–50)
Which epithelial tissue has microvilli for absorption?
A) Simple squamous
B) Simple cuboidal
C) Simple columnar ✅
D) Stratified squamous Explanation: Microvilli increase surface area for absorption.
Which muscle tissue has a single nucleus per cell?
A) Skeletal
B) Cardiac
C) Smooth ✅
D) None Explanation: Smooth muscle fibers are uninucleate.
Which connective tissue contains large fat droplets?
A) Areolar
B) Adipose ✅
C) Cartilage
D) Blood Explanation: Adipose tissue stores energy in fat droplets.
Which cartilage type is found in intervertebral discs?
A) Hyaline
B) Elastic
C) Fibrocartilage ✅
D) Areolar Explanation: Fibrocartilage resists compression.
Neuroglia are:
A) Connective tissue
B) Supportive cells in nervous tissue ✅
C) Fat-storing cells
D) Cartilage cells Explanation: They support and protect neurons.
Which junction allows ions to pass between cardiac cells?
A) Tight junctions
B) Adherens junctions
C) Gap junctions ✅
D) Desmosomes Explanation: Gap junctions allow communication between cells.
Which tissue type regenerates most rapidly?
A) Nervous
B) Skeletal muscle
C) Epithelial ✅
D) Cardiac muscle Explanation: Epithelial tissue has high regenerative capacity.
Which protein gives connective tissue tensile strength?
A) Actin
B) Keratin
C) Collagen ✅
D) Elastin Explanation: Collagen resists stretching.
Which of the following has poor regenerative capacity?
A) Bone
B) Cartilage ✅
C) Skin
D) Areolar tissue Explanation: Cartilage lacks blood vessels and heals slowly.
Which connective tissue provides flexible support and is found in the nose?
A) Bone
B) Areolar
C) Hyaline cartilage ✅
D) Elastic cartilage Explanation: Hyaline cartilage maintains shape and flexibility in the nose.