Tissues Class 9 MCQs. Test your knowledge of Plant and Animal Tissues with these multiple-choice questions covering types, structure, and functions for Class 9 studies.
Question 1: Which of the following is a characteristic of plant cells but not animal cells?
A. Presence of a cell wall
B. Ability to conduct photosynthesis
C. Presence of a nucleus
D. Both A and B
D. Both A and B. Plant cells have a rigid cell wall and chloroplasts for photosynthesis, while animal cells lack these features.
Question 2: The growth in plants is mainly limited to certain regions because:
A. Meristematic tissues are located at specific points
B. Plants are stationary
C. Plants have a large quantity of supportive tissue
D. All of the above
A. Meristematic tissues are located at specific points. Meristematic tissues are responsible for plant growth and are found in specific regions like root tips and shoot tips.
Question 3: Which of the following tissues provides support and flexibility to plants?
A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Xylem
B. Collenchyma. Collenchyma tissue has thickened cell walls at the corners, providing support while allowing flexibility.
Question 4: The main function of sclerenchyma tissue in plants is to:
A. Transport water and minerals
B. Provide strength and support
C. Store food
D. Photosynthesis
B. Provide strength and support. Sclerenchyma cells have thick, lignified cell walls that make them rigid and supportive.
Question 5: The process by which cells take up a permanent shape, size, and function is called:
A. Differentiation
B. Division
C. Elongation
D. Maturation
A. Differentiation. Differentiation is the process where cells become specialized for specific functions.
Question 6: Which of the following is NOT a difference between plant and animal tissues?
A. Plants have more dead cells for support, while animals have more living cells.
B. Plant growth is limited to certain regions, while animal growth is more uniform.
C. Plants have specialized tissues for conducting food and water, while animals do not.
D. Animal tissues are more specialized and localized than plant tissues.
C. Plants have specialized tissues for conducting food and water, while animals do not. Both plants and animals have specialized tissues for conducting substances, like xylem and phloem in plants and blood vessels in animals.
Question 7: Which of the following statements is true about meristematic tissue in plants?
A. It is present throughout the plant body
B. It is responsible for the increase in girth of the stem
C. It consists of cells that have lost the ability to divide
D. It is located at the growing tips of stems and roots
D. It is located at the growing tips of stems and roots. Apical meristems are found at the tips of stems and roots, enabling them to grow in length.
Question 8: The type of meristematic tissue responsible for the increase in girth of the stem or root is:
A. Apical meristem
B. Lateral meristem
C. Intercalary meristem
D. Parenchyma
B. Lateral meristem. Lateral meristems, like the cambium, are responsible for the increase in the diameter of stems and roots.
Question 9: Which of the following is NOT a characteristic of meristematic cells?
A. Dense cytoplasm
B. Thin cell walls
C. Prominent nuclei
D. Large vacuoles
D. Large vacuoles. Meristematic cells lack vacuoles as they are actively dividing and do not need to store substances.
Question 10: The process of taking up a permanent shape, size, and function by cells formed by meristematic tissue is called:
A. Differentiation
B. Division
C. Maturation
D. Specialization
A. Differentiation. Differentiation is the process where cells become specialized for specific functions.
Question 11: Which of the following tissues is responsible for the transport of water and minerals in plants?
A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Xylem
D. Xylem. Xylem tissue is composed of tracheids and vessels that transport water and minerals from roots to other parts of the plant.
Question 12: The tissue that transports food from leaves to other parts of the plant is:
A. Xylem
B. Phloem
C. Parenchyma
D. Collenchyma
B. Phloem. Phloem tissue is composed of sieve tubes that transport food synthesized in the leaves to other parts of the plant.
Question 13: Which of the following tissues is responsible for photosynthesis in plants?
A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Chlorenchyma
D. Chlorenchyma. Chlorenchyma is a type of parenchyma tissue that contains chloroplasts and performs photosynthesis.
Question 14: The husk of a coconut is made up of which type of tissue?
A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Phloem
C. Sclerenchyma. Sclerenchyma tissue provides strength and hardness to plant parts like the coconut husk.
Question 15: The outermost layer of cells in plants that provides protection is called:
A. Epidermis
B. Cortex
C. Endodermis
D. Pericycle
A. Epidermis. The epidermis is the outermost layer of cells that covers the entire plant body and provides protection.
Question 16: The small pores present in the epidermis of leaves that are responsible for gaseous exchange are called:
A. Stomata
B. Lenticels
C. Hydathodes
D. Trichomes
A. Stomata. Stomata are tiny pores surrounded by guard cells that regulate the exchange of gases and water vapor between the plant and the atmosphere.
Question 17: Which of the following is a modification of the epidermis in roots for water absorption?
A. Root hairs
B. Stomata
C. Cuticle
D. Trichomes
A. Root hairs. Root hairs are extensions of epidermal cells in roots that increase the surface area for water absorption.
Question 18: The waxy, water-resistant layer secreted by epidermal cells on aerial parts of the plant is called:
A. Cutin
B. Suberin
C. Lignin
D. Pectin
A. Cutin. Cutin forms a protective layer on the outer surface of epidermal cells, reducing water loss and preventing damage.
Question 19: The outer protective tissue that replaces the epidermis in older plants is called:
A. Cork
B. Bark
C. Cuticle
D. Periderm
A. Cork. Cork is a protective tissue formed by the secondary meristem in the cortex of older stems and roots.
Question 20: Which of the following substances makes cork cells impervious to gases and water?
A. Cutin
B. Suberin
C. Lignin
D. Pectin
B. Suberin. Suberin is a waxy substance present in the cell walls of cork cells that makes them impermeable to gases and water.
Question 21: Which of the following is NOT a characteristic of meristematic tissue?
A. Cells actively divide
B. Cells are large and have thick cell walls
C. Cells have dense cytoplasm
D. Cells have prominent nuclei
B. Cells are large and have thick cell walls. Meristematic cells are small and have thin cell walls to facilitate division.
Question 22: The type of meristematic tissue found at the growing tips of stems and roots is:
A. Apical meristem
B. Lateral meristem
C. Intercalary meristem
D. Ground meristem
A. Apical meristem. Apical meristems are located at the tips of stems and roots, responsible for their growth in length.
Question 23: The meristematic tissue responsible for the increase in girth of the stem or root is:
A. Apical meristem
B. Lateral meristem
C. Intercalary meristem
D. Vascular cambium
B. Lateral meristem. Lateral meristems, like the vascular cambium and cork cambium, increase the diameter of stems and roots.
Question 24: The type of meristematic tissue found near the nodes of some plants is:
A. Apical meristem
B. Lateral meristem
C. Intercalary meristem
D. Ground meristem
C. Intercalary meristem. Intercalary meristems are located at the base of leaves or internodes, allowing for growth in those regions.
Question 25: Which of the following statements is true about permanent tissues?
A. They are formed from meristematic tissue
B. They retain the ability to divide
C. They are all made of only one type of cell
D. They are found in specific regions of the plant
A. They are formed from meristematic tissue. Permanent tissues are derived from meristematic tissue that has differentiated and lost the ability to divide.
Question 26: The simple permanent tissue that is most common in plants and functions in storage is:
A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Epidermis
A. Parenchyma. Parenchyma is the most abundant simple tissue in plants and its primary function is storage.
Question 27: The type of parenchyma tissue that contains chlorophyll and performs photosynthesis is:
A. Aerenchyma
B. Chlorenchyma
C. Sclerenchyma
D. Collenchyma
B. Chlorenchyma. Chlorenchyma is a specialized parenchyma tissue that contains chloroplasts and is involved in photosynthesis.
Question 28: The simple permanent tissue that provides flexibility to plants and allows bending without breaking is:
A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Epidermis
B. Collenchyma. Collenchyma tissue has unevenly thickened cell walls that provide support and flexibility to plant parts.
Question 29: The simple permanent tissue that makes plants hard and stiff is:
A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Epidermis
C. Sclerenchyma. Sclerenchyma cells have thick, lignified cell walls that provide strength and rigidity to plant parts.
Question 30: The complex permanent tissue responsible for transporting water and minerals in plants is:
A. Xylem
B. Phloem
C. Parenchyma
D. Collenchyma
A. Xylem. Xylem tissue is composed of tracheids, vessels, xylem parenchyma, and xylem fibers, and it transports water and minerals from roots to other parts of the plant.
Question 31: The complex permanent tissue responsible for transporting food in plants is:
A. Xylem
B. Phloem
C. Parenchyma
D. Collenchyma
B. Phloem. Phloem tissue is composed of sieve tubes, companion cells, phloem parenchyma, and phloem fibers, and it transports food from leaves to other parts of the plant.
Question 32: Which of the following is NOT a component of xylem tissue?
A. Tracheids
B. Vessels
C. Xylem parenchyma
D. Sieve tubes
D. Sieve tubes. Sieve tubes are components of phloem tissue, not xylem.
Question 33: Which of the following is NOT a component of phloem tissue?
A. Sieve tubes
B. Companion cells
C. Phloem parenchyma
D. Tracheids
D. Tracheids. Tracheids are components of xylem tissue, not phloem.
Question 34: The function of companion cells in phloem tissue is to:
A. Transport water
B. Provide support
C. Store food
D. Assist in the functioning of sieve tubes
D. Assist in the functioning of sieve tubes. Companion cells are closely associated with sieve tubes and help in their functioning.
Question 35: The main function of xylem fibers is:
A. Transport of water
B. Transport of food
C. Providing support
D. Photosynthesis
C. Providing support. Xylem fibers are elongated cells with thick cell walls that provide mechanical support to the plant.
Question 36: Which of the following tissues is responsible for the secondary growth (increase in girth) of plants?
A. Apical meristem
B. Lateral meristem
C. Intercalary meristem
D. Parenchyma
B. Lateral meristem. Lateral meristems, like the vascular cambium and cork cambium, are responsible for secondary growth, increasing the diameter of stems and roots.
Question 37: The protective tissue that replaces the epidermis in older plants is:
A. Cork
B. Bark
C. Cuticle
D. Periderm
A. Cork. Cork is a protective tissue formed by the cork cambium in the cortex of older stems and roots.
Question 38: Which of the following substances makes cork cells impervious to gases and water?
A. Cutin
B. Suberin
C. Lignin
D. Pectin
B. Suberin. Suberin is a waxy substance present in the cell walls of cork cells that makes them impermeable to gases and water.
Question 39: The function of guard cells in stomata is to:
A. Transport water
B. Regulate the opening and closing of stomata
C. Provide support
D. Photosynthesis
B. Regulate the opening and closing of stomata. Guard cells control the size of the stomatal opening, regulating gas exchange and transpiration.
Question 40: The hair-like parts on the epidermis of roots that increase the surface area for water absorption are called:
A. Root hairs
B. Trichomes
C. Stomata
D. Lenticels
A. Root hairs. Root hairs are extensions of epidermal cells in roots that increase the surface area for water absorption.
Question 41: The waxy coating on the epidermis of desert plants helps to:
A. Reduce water loss
B. Increase water absorption
C. Provide support
D. Attract pollinators
A. Reduce water loss. The waxy coating, made of cutin, reduces transpiration and helps desert plants conserve water.
Question 42: Which of the following is a function of parenchyma tissue?
A. Providing support
B. Transporting water
C. Storing food
D. Photosynthesis
C. Storing food. Parenchyma tissue is the main storage tissue in plants, storing food materials like starch, proteins, and fats.
Question 43: Which of the following tissues provides mechanical support and flexibility to plants?
A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Xylem
B. Collenchyma. Collenchyma tissue has thickened cell walls at the corners, providing support while allowing flexibility.
Question 44: The husk of a coconut is made up of which type of tissue?
A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Phloem
C. Sclerenchyma. Sclerenchyma tissue provides strength and hardness to plant parts like the coconut husk.
Question 45: The complex permanent tissue responsible for transporting water and minerals in plants is:
A. Xylem
B. Phloem
C. Parenchyma
D. Collenchyma
A. Xylem. Xylem tissue is composed of tracheids, vessels, xylem parenchyma, and xylem fibers, and it transports water and minerals from roots to other parts of the plant.
Question 46: The complex permanent tissue responsible for transporting food in plants is:
A. Xylem
B. Phloem
C. Parenchyma
D. Collenchyma
B. Phloem. Phloem tissue is composed of sieve tubes, companion cells, phloem parenchyma, and phloem fibers, and it transports food from leaves to other parts of the plant.
Question 47: Which of the following is NOT a component of xylem tissue?
A. Tracheids
B. Vessels
C. Xylem parenchyma
D. Sieve tubes
D. Sieve tubes. Sieve tubes are components of phloem tissue, not xylem.
Question 48: Which of the following is NOT a component of phloem tissue?
A. Sieve tubes
B. Companion cells
C. Phloem parenchyma
D. Tracheids
D. Tracheids. Tracheids are components of xylem tissue, not phloem.
Question 49: The function of companion cells in phloem tissue is to:
A. Transport water
B. Provide support
C. Store food
D. Assist in the functioning of sieve tubes
D. Assist in the functioning of sieve tubes. Companion cells are closely associated with sieve tubes and help in their functioning.
Question 50: The main function of xylem fibers is:
A. Transport of water
B. Transport of food
C. Providing support
D. Photosynthesis
C. Providing support. Xylem fibers are elongated cells with thick cell walls that provide mechanical support to the plant.
Question 51: The covering or protective tissues in the animal body are:
A. Connective tissues
B. Muscular tissues
C. Epithelial tissues
D. Nervous tissues
C. Epithelial tissues. Epithelial tissues form the outer covering of the body and internal organs, providing protection and acting as a barrier.
Question 52: Which of the following is NOT a characteristic of epithelial tissue?
A. Cells are tightly packed
B. Cells form a continuous sheet
C. Abundant intercellular spaces
D. Small amount of cementing material between cells
C. Abundant intercellular spaces. Epithelial tissues have tightly packed cells with minimal intercellular spaces to form a protective barrier.
Question 53: The function of epithelial tissue is to:
A. Provide support and structure
B. Contract and cause movement
C. Cover and protect organs and cavities
D. Transmit nerve impulses
C. Cover and protect organs and cavities. Epithelial tissues form the lining of various organs and cavities, providing protection and regulating the exchange of materials.
Question 54: The skin, the lining of the mouth, and the lining of blood vessels are all made of:
A. Connective tissue
B. Muscular tissue
C. Epithelial tissue
D. Nervous tissue
C. Epithelial tissue. Epithelial tissues form the covering of external and internal body surfaces, including the skin, mouth lining, and blood vessel lining.
Question 55: The type of epithelial tissue that is thin and flat and forms a delicate lining is:
A. Squamous epithelium
B. Cuboidal epithelium
C. Columnar epithelium
D. Glandular epithelium
A. Squamous epithelium. Squamous epithelial cells are flat and scale-like, forming a thin and delicate lining in areas like blood vessels and lung alveoli.
Question 56: The type of epithelial tissue found in the skin, providing protection against wear and tear, is:
A. Simple squamous epithelium
B. Stratified squamous epithelium
C. Cuboidal epithelium
D. Columnar epithelium
B. Stratified squamous epithelium. Stratified squamous epithelium has multiple layers of cells, making it suitable for areas subject to wear and tear, like the skin.
Question 57: The type of epithelial tissue found in the inner lining of the intestine, where absorption and secretion occur, is:
A. Squamous epithelium
B. Cuboidal epithelium
C. Columnar epithelium
D. Glandular epithelium
C. Columnar epithelium. Columnar epithelial cells are tall and column-shaped, facilitating the movement of substances across the epithelial barrier in areas like the intestine.
Question 58: The type of epithelial tissue that has hair-like projections called cilia on its outer surface is:
A. Squamous epithelium
B. Cuboidal epithelium
C. Ciliated columnar epithelium
D. Glandular epithelium
C. Ciliated columnar epithelium. Ciliated columnar epithelium has cilia that move and help in clearing mucus in the respiratory tract.
Question 59: The type of epithelial tissue that forms the lining of kidney tubules and provides mechanical support is:
A. Squamous epithelium
B. Cuboidal epithelium
C. Columnar epithelium
D. Glandular epithelium
B. Cuboidal epithelium. Cuboidal epithelial cells are cube-shaped and provide mechanical support in areas like kidney tubules.
Question 60: The type of epithelial tissue that is specialized to secrete substances is:
A. Squamous epithelium
B. Cuboidal epithelium
C. Columnar epithelium
D. Glandular epithelium
D. Glandular epithelium. Glandular epithelium is specialized to secrete substances like enzymes, hormones, and mucus.
Question 61: The tissue that connects, supports, binds, or separates other tissues or organs is:
A. Epithelial tissue
B. Connective tissue
C. Muscular tissue
D. Nervous tissue
B. Connective tissue. Connective tissues provide support, connect different tissues, and fill spaces within the body.
Question 62: Connective tissues are made up of:
A. Cells only
B. Cells and intercellular matrix
C. Fibers only
D. Matrix only
B. Cells and intercellular matrix. Connective tissues consist of cells embedded in an intercellular matrix that can be jelly-like, fluid, dense, or rigid.
Question 63: The fluid (liquid) matrix of blood is called:
A. Plasma
B. Serum
C. Lymph
D. Cytoplasm
A. Plasma. Plasma is the fluid component of blood that suspends various cells and transports substances.
Question 64: The main function of blood is to:
A. Provide support and structure
B. Contract and cause movement
C. Transport gases, nutrients, and waste products
D. Transmit nerve impulses
C. Transport gases, nutrients, and waste products. Blood carries oxygen, digested food, hormones, and waste materials to different parts of the body.
Question 65: The strong and non-flexible connective tissue that forms the framework of the body is:
A. Bone
B. Cartilage
C. Tendon
D. Ligament
A. Bone. Bone is a rigid connective tissue that provides support, structure, and protection to the body.
Question 66: The connective tissue that connects bones to bones is called:
A. Tendon
B. Ligament
C. Cartilage
D. Areolar tissue
B. Ligament. Ligaments are strong and elastic connective tissues that connect bones at joints.
Question 67: The connective tissue that connects muscles to bones is called:
A. Tendon
B. Ligament
C. Cartilage
D. Areolar tissue
A. Tendon. Tendons are fibrous connective tissues that attach muscles to bones, enabling movement.
Question 68: The connective tissue that smoothens bone surfaces at joints and is present in the nose, ear, and trachea is:
A. Bone
B. Cartilage
C. Tendon
D. Ligament
B. Cartilage. Cartilage is a flexible connective tissue that provides support and cushioning at joints and other body parts.
Question 69: The connective tissue found between the skin and muscles, around blood vessels and nerves, and in the bone marrow is:
A. Areolar tissue
B. Adipose tissue
C. Cartilage
D. Tendon
A. Areolar tissue. Areolar tissue is a loose connective tissue that fills spaces, supports organs, and helps in tissue repair.
Question 70: The connective tissue that stores fat and acts as an insulator is:
A. Areolar tissue
B. Adipose tissue
C. Cartilage
D. Tendon
B. Adipose tissue. Adipose tissue is composed of fat cells that store fat and provide insulation.
Question 71: The intercellular matrix of connective tissue can be:
A. Jelly-like
B. Fluid
C. Dense
D. All of the above
D. All of the above. The intercellular matrix of connective tissue can vary in consistency depending on the type of connective tissue, and it can be jelly-like, fluid, dense, or rigid.
Question 72: The cells of connective tissue are:
A. Tightly packed
B. Loosely spaced and embedded in an intercellular matrix
C. Arranged in a continuous sheet
D. Highly specialized for conducting impulses
B. Loosely spaced and embedded in an intercellular matrix. Connective tissue cells are typically scattered within an extracellular matrix that provides support and structure.
Question 73: Which of the following is NOT a type of connective tissue?
A. Blood
B. Bone
C. Cartilage
D. Neuron
D. Neuron. Neurons are cells of the nervous tissue, not connective tissue.
Question 74: The fluid component of blood that suspends various cells and transports substances is called:
A. Plasma
B. Serum
C. Lymph
D. Cytoplasm
A. Plasma. Plasma is the liquid matrix of blood that carries cells, nutrients, hormones, and waste products.
Question 75: The main function of red blood cells (RBCs) is to:
A. Fight infections
B. Transport oxygen
C. Clot blood
D. Provide immunity
B. Transport oxygen. Red blood cells contain hemoglobin, which binds to oxygen and carries it throughout the body.
Question 76: The main function of white blood cells (WBCs) is to:
A. Fight infections
B. Transport oxygen
C. Clot blood
D. Provide structure
A. Fight infections. White blood cells are part of the immune system and help protect the body against diseases.
Question 77: The function of platelets in blood is to:
A. Fight infections
B. Transport oxygen
C. Clot blood
D. Provide immunity
C. Clot blood. Platelets are involved in blood clotting, preventing excessive bleeding.
Question 78: The strong and non-flexible connective tissue that forms the framework of the body is:
A. Bone
B. Cartilage
C. Tendon
D. Ligament
A. Bone. Bone is a rigid connective tissue that provides support, structure, and protection to the body.
Question 79: The main components of bone matrix are:
A. Calcium and phosphorus compounds
B. Proteins and sugars
C. Collagen fibers
D. Fat globules
A. Calcium and phosphorus compounds. The bone matrix is hardened by the deposition of calcium and phosphorus compounds, making it strong and rigid.
Question 80: The connective tissue that connects bones to bones is called:
A. Tendon
B. Ligament
C. Cartilage
D. Areolar tissue
B. Ligament. Ligaments are strong and elastic connective tissues that connect bones at joints.
Question 81: The connective tissue that connects muscles to bones is called:
A. Tendon
B. Ligament
C. Cartilage
D. Areolar tissue
A. Tendon. Tendons are fibrous connective tissues that attach muscles to bones, enabling movement.
Question 82: The flexible connective tissue that smoothens bone surfaces at joints and is present in the nose, ear, and trachea is:
A. Bone
B. Cartilage
C. Tendon
D. Ligament
B. Cartilage. Cartilage is a flexible connective tissue that provides support and cushioning at joints and other body parts.
Question 83: The connective tissue found between the skin and muscles, around blood vessels and nerves, and in the bone marrow is:
A. Areolar tissue
B. Adipose tissue
C. Cartilage
D. Tendon
A. Areolar tissue. Areolar tissue is a loose connective tissue that fills spaces, supports organs, and helps in tissue repair.
Question 84: The connective tissue that stores fat and acts as an insulator is:
A. Areolar tissue
B. Adipose tissue
C. Cartilage
D. Tendon
B. Adipose tissue. Adipose tissue is composed of fat cells that store fat and provide insulation.
Question 85: The tissue responsible for movement in our body is:
A. Epithelial tissue
B. Connective tissue
C. Muscular tissue
D. Nervous tissue
C. Muscular tissue. Muscular tissue is composed of muscle fibers that contract and relax, causing movement.
Question 86: The special proteins present in muscles that contract and relax to cause movement are called:
A. Contractile proteins
B. Structural proteins
C. Enzymes
D. Hormones
A. Contractile proteins. Contractile proteins like actin and myosin are responsible for muscle contraction and relaxation.
Question 87: The muscles that we can move by conscious will are called:
A. Voluntary muscles
B. Involuntary muscles
C. Cardiac muscles
D. Smooth muscles
A. Voluntary muscles. Voluntary muscles are under conscious control and are responsible for movements like walking, running, and lifting objects.
Question 88: The muscles that are not under conscious control and control involuntary movements like the movement of food in the alimentary canal are called:
A. Voluntary muscles
B. Involuntary muscles
C. Cardiac muscles
D. Skeletal muscles
B. Involuntary muscles. Involuntary muscles are not under conscious control and regulate processes like digestion, blood vessel contraction, and breathing.
Question 89: The type of muscle tissue that is striated and voluntary is:
A. Skeletal muscle
B. Smooth muscle
C. Cardiac muscle
D. None of the above
A. Skeletal muscle. Skeletal muscles are attached to bones, have striations (alternating light and dark bands), and are under voluntary control.
Question 90: The type of muscle tissue that is non-striated and involuntary is:
A. Skeletal muscle
B. Smooth muscle
C. Cardiac muscle
D. None of the above
B. Smooth muscle. Smooth muscles are found in the walls of internal organs like the digestive tract and blood vessels, lack striations, and are involuntary.
Question 91: The type of muscle tissue found in the heart is:
A. Skeletal muscle
B. Smooth muscle
C. Cardiac muscle
D. None of the above
C. Cardiac muscle. Cardiac muscle is unique to the heart, has striations, and is involuntary.
Question 92: Which of the following is NOT a characteristic of cardiac muscle?
A. Striated
B. Involuntary
C. Branched
D. Multinucleate
D. Multinucleate. Cardiac muscle cells are uninucleate (have a single nucleus), while skeletal muscle cells are multinucleate.
Question 93: The shape of smooth muscle cells is:
A. Cylindrical
B. Spindle-shaped
C. Branched
D. Rectangular
B. Spindle-shaped. Smooth muscle cells are elongated and taper at both ends, giving them a spindle shape.
Question 94: Which of the following muscle tissues is responsible for the rhythmic contraction and relaxation of the heart?
A. Skeletal muscle
B. Smooth muscle
C. Cardiac muscle
D. None of the above
C. Cardiac muscle. Cardiac muscle is specialized for continuous, rhythmic contractions that pump blood throughout the body.
Question 95: The tissue that is highly specialized for receiving and transmitting stimuli is:
A. Epithelial tissue
B. Connective tissue
C. Muscular tissue
D. Nervous tissue
D. Nervous tissue. Nervous tissue is composed of neurons that receive and transmit signals, allowing for communication and coordination within the body.
Question 96: The cells of nervous tissue are called:
A. Neurons
B. Neuroglia
C. Myocytes
D. Chondrocytes
A. Neurons. Neurons are the functional units of the nervous system, responsible for transmitting nerve impulses.
Question 97: The long, thin hair-like part of a neuron that transmits signals away from the cell body is called:
A. Axon
B. Dendrite
C. Cytoplasm
D. Nucleus
A. Axon. The axon is a single, long fiber that carries nerve impulses away from the neuron’s cell body.
Question 98: The short, branched parts of a neuron that receive signals from other neurons are called:
A. Axons
B. Dendrites
C. Cytoplasm
D. Nucleus
B. Dendrites. Dendrites are branched extensions of the neuron that receive signals from other neurons or sensory receptors.
Question 99: The signal that passes along the nerve fiber is called a:
A. Nerve impulse
B. Synapse
C. Action potential
D. Neurotransmitter
A. Nerve impulse. The nerve impulse is an electrical signal that travels along the nerve fiber, transmitting information throughout the body.
Question 100: The functional combination of nerve and muscle tissue enables animals to:
A. Move rapidly in response to stimuli
B. Store energy
C. Transport nutrients
D. Fight infections
A. Move rapidly in response to stimuli. The coordination between nerve and muscle tissue allows for quick and precise movements in response to external or internal signals.
