Class 7/Question Bank
Created by Titas Mallick
Biology Teacher • M.Sc. Botany • B.Ed. • CTET (CBSE) • CISCE Examiner
Created by Titas Mallick
Biology Teacher • M.Sc. Botany • B.Ed. • CTET (CBSE) • CISCE Examiner
Questions on Animal Tissues
Which tissue covers the body surface and lines internal organs? a) Connective tissue b) Epithelial tissue c) Muscular tissue d) Nerve tissue
The primary function of epithelial tissue includes: a) Movement b) Support c) Protection d) Conduction
Bone tissue is classified under which type of tissue? a) Epithelial b) Muscular c) Connective d) Nervous
Which connective tissue helps in reducing friction at joints? a) Bone b) Cartilage c) Ligament d) Tendon
Blood is classified as which type of tissue? a) Epithelial b) Connective c) Muscular d) Nervous
The function of ligaments is to: a) Connect muscles to bones b) Connect bones to bones c) Transport blood d) Provide flexibility
Tendons connect: a) Bone to bone b) Muscle to muscle c) Muscle to bone d) Nerve to muscle
Striated muscle is also known as: a) Smooth muscle b) Cardiac muscle c) Voluntary muscle d) Involuntary muscle
Which muscle type is found in the walls of internal organs? a) Striated b) Cardiac c) Smooth d) Skeletal
Cardiac muscle is found only in: a) Blood vessels b) Heart c) Stomach d) Intestines
The part of a neuron that contains the nucleus is: a) Axon b) Dendrite c) Cell body d) Dendron
Dendrites function to: a) Transmit impulses away from cell body b) Receive impulses from other neurons c) Store nutrients d) Produce hormones
The axon of a neuron: a) Receives impulses b) Transmits impulses away from cell body c) Contains the nucleus d) Stores energy
Which tissue is responsible for voluntary movements? a) Smooth muscle b) Cardiac muscle c) Skeletal muscle d) Connective tissue
Cartilage is found in: a) Heart b) Liver c) Nose and ear d) Kidney
The skeleton of the body is formed by: a) Cartilage b) Ligaments c) Tendons d) Bone
Which function is NOT performed by epithelial tissue? a) Protection b) Secretion c) Movement d) Absorption
Blood vessels contain which type of muscle? a) Striated b) Cardiac c) Smooth d) Voluntary
The rhythmic contractions of the heart are due to: a) Smooth muscle b) Skeletal muscle c) Cardiac muscle d) Connective tissue
Nerve impulses are conducted by: a) Epithelial tissue b) Connective tissue c) Muscular tissue d) Nerve tissue
Which tissue provides support and protection to the body? a) Epithelial b) Connective c) Muscular d) Nervous
The trachea contains: a) Bone b) Cartilage c) Ligament d) Tendon
Involuntary muscle is also called: a) Striated muscle b) Cardiac muscle c) Smooth muscle d) Skeletal muscle
The soma of a neuron refers to: a) Axon b) Dendrite c) Cell body d) Nerve ending
Which tissue is responsible for digestion movement in the stomach? a) Skeletal muscle b) Cardiac muscle c) Smooth muscle d) Connective tissue
Ligaments provide: a) Movement b) Flexibility c) Stability to joints d) Blood transport
The function of filtering is performed by: a) Muscular tissue b) Epithelial tissue c) Connective tissue d) Nervous tissue
Ends of bones contain: a) Ligaments b) Tendons c) Cartilage d) Blood vessels
Which muscle type can be controlled voluntarily? a) Smooth b) Cardiac c) Intestinal d) Skeletal
Hormones are transported by: a) Nerve tissue b) Blood c) Cartilage d) Bone
The branched extensions of neurons are called: a) Axons b) Cell bodies c) Dendrites d) Nuclei
Which tissue enables movement of the body? a) Epithelial b) Connective c) Muscular d) Nervous
Waste products are transported by: a) Lymph b) Blood c) Cerebrospinal fluid d) Saliva
The heart muscle is: a) Voluntary b) Involuntary c) Smooth d) Striated and involuntary
Nutrients are transported throughout the body by: a) Lymphatic system b) Blood c) Nervous system d) Skeletal system
Which connective tissue is liquid? a) Bone b) Cartilage c) Blood d) Ligament
Oxygen transport is the function of: a) Plasma b) Blood c) Lymph d) Cerebrospinal fluid
The tissue that lines internal cavities is: a) Connective b) Epithelial c) Muscular d) Nervous
Force transmission from muscle to bone is done by: a) Ligaments b) Cartilage c) Tendons d) Blood vessels
Which part of neuron transmits impulses away from cell body? a) Dendrite b) Cell body c) Axon d) Nucleus
Involuntary movements like digestion are controlled by: a) Skeletal muscle b) Cardiac muscle c) Smooth muscle d) Striated muscle
The specialized muscle found only in heart is: a) Smooth muscle b) Skeletal muscle c) Cardiac muscle d) Voluntary muscle
Which tissue provides flexibility to joints? a) Bone b) Ligament c) Cartilage d) Tendon
Secretion is a function of: a) Muscular tissue b) Epithelial tissue c) Connective tissue d) Nervous tissue
Blood flow is controlled by: a) Skeletal muscle b) Cardiac muscle c) Smooth muscle d) Voluntary muscle
The skeleton provides: a) Protection only b) Support only c) Movement only d) Support, protection, and helps in movement
Joints are stabilized by: a) Tendons b) Ligaments c) Cartilage d) Muscles
Which tissue responds to stimuli? a) Epithelial b) Connective c) Muscular d) Nervous
Absorption is a function of: a) Connective tissue b) Epithelial tissue c) Muscular tissue d) Nervous tissue
The ear contains: a) Bone b) Cartilage c) Ligaments d) Tendons
Voluntary movements are performed by: a) Smooth muscle b) Cardiac muscle c) Skeletal muscle d) Involuntary muscle
Which tissue circulates throughout the body? a) Lymph b) Blood c) Plasma d) Cerebrospinal fluid
Nerve impulses are received by: a) Axons b) Cell bodies c) Dendrites d) Nuclei
The walls of intestines contain: a) Skeletal muscle b) Cardiac muscle c) Smooth muscle d) Voluntary muscle
Protection of internal organs is provided by: a) Cartilage b) Ligaments c) Bone d) Tendons
Which muscle type is striated? a) Smooth muscle b) Involuntary muscle c) Skeletal muscle d) Intestinal muscle
The function of epithelial tissue does NOT include: a) Filtration b) Absorption c) Contraction d) Protection
Cartilage reduces: a) Blood flow b) Nerve conduction c) Friction at joints d) Muscle contraction
The cell body of neuron is also called: a) Axon b) Dendrite c) Soma d) Dendron
Which tissue helps in movement? a) Epithelial b) Connective c) Muscular d) All of these
Blood vessels are lined by: a) Smooth muscle b) Epithelial tissue c) Connective tissue d) Nervous tissue
The framework of the body is provided by: a) Muscular system b) Skeletal system c) Nervous system d) Circulatory system
Dendron is another name for: a) Axon b) Cell body c) Dendrite d) Nucleus
Which muscle contracts rhythmically? a) Smooth muscle b) Skeletal muscle c) Cardiac muscle d) Voluntary muscle
Effector cells receive impulses from: a) Dendrites b) Cell bodies c) Axons d) Nuclei
The tissue that covers body surface is: a) Connective b) Epithelial c) Muscular d) Nervous
Bone to bone connection is made by: a) Tendons b) Ligaments c) Cartilage d) Muscles
Which tissue is responsible for pumping blood? a) Smooth muscle b) Skeletal muscle c) Cardiac muscle d) Connective tissue
Organelles are found in: a) Axon b) Dendrite c) Cell body d) All parts of neuron
The nose contains: a) Bone b) Cartilage c) Ligaments d) Tendons
Involuntary muscle is found in: a) Arms b) Legs c) Stomach walls d) Face
Which tissue enables force transmission? a) Ligaments b) Cartilage c) Tendons d) Blood
The heart pumps blood due to: a) Smooth muscle contractions b) Skeletal muscle contractions c) Cardiac muscle contractions d) Nerve stimulation
Support to the body is provided by: a) Epithelial tissue b) Connective tissue c) Muscular tissue d) Nervous tissue
Long projection of neuron is: a) Dendrite b) Cell body c) Axon d) Soma
Which tissue lines the stomach? a) Connective b) Epithelial c) Muscular d) Nervous
Flexibility is provided by: a) Bone b) Cartilage c) Ligaments d) Tendons
Nerve impulses travel along: a) Blood vessels b) Axons c) Muscles d) Bones
The tissue attached to bones is: a) Smooth muscle b) Cardiac muscle c) Skeletal muscle d) Involuntary muscle
Which function is performed by blood? a) Protection b) Support c) Transport d) Secretion
Short branched extensions of neurons are: a) Axons b) Cell bodies c) Dendrites d) Nuclei
The wall of blood vessels contains: a) Skeletal muscle b) Cardiac muscle c) Smooth muscle d) Voluntary muscle
Joint stability is provided by: a) Tendons b) Ligaments c) Cartilage d) Bones
Which tissue conducts impulses? a) Epithelial b) Connective c) Muscular d) Nervous
Slender projection of neuron is: a) Dendrite b) Cell body c) Axon d) Soma
The tissue that secretes substances is: a) Connective b) Epithelial c) Muscular d) Nervous
Movement assistance is provided by: a) Cartilage b) Ligaments c) Bone d) Blood
Which muscle type is found in heart? a) Smooth b) Skeletal c) Cardiac d) Voluntary
Impulse transmission away from cell body is done by: a) Dendrites b) Cell body c) Axon d) Nucleus
The tissue covering internal organs is: a) Connective b) Epithelial c) Muscular d) Nervous
Friction reduction at joints is done by: a) Bone b) Ligaments c) Cartilage d) Tendons
Which tissue responds to environmental changes? a) Epithelial b) Connective c) Muscular d) Nervous
Force from muscle to bone is transmitted by: a) Ligaments b) Cartilage c) Tendons d) Blood vessels
The specialized tissue of heart is: a) Smooth muscle b) Skeletal muscle c) Cardiac muscle d) Connective tissue
Nucleus of neuron is located in: a) Axon b) Dendrite c) Cell body d) All parts
Which tissue filters substances? a) Connective b) Epithelial c) Muscular d) Nervous
The tissue that provides structural support is: a) Epithelial b) Connective c) Muscular d) Nervous
Voluntary control is possible over: a) Smooth muscle b) Cardiac muscle c) Skeletal muscle d) Involuntary muscle
Impulse reception is function of: a) Axons b) Cell bodies c) Dendrites d) All parts
The tissue responsible for body movements is: a) Epithelial b) Connective c) Muscular d) Nervous
The four main types of animal tissues are:
Connective tissue is characterized by cells scattered within an extracellular matrix. Its functions include support, protection, and transport.
The three types of muscular tissues are:
A neuron consists of a cell body, dendrites, and an axon. It conducts nerve impulses as follows: dendrites receive a signal, which is integrated in the cell body. If the signal is strong enough, an electrical impulse (action potential) is generated and transmitted down the axon to the axon terminal, where it is passed on to another neuron or an effector cell.
Epithelial tissue plays various roles in different body systems. In the skin, it provides protection. In the digestive system, it absorbs nutrients. In the respiratory system, it facilitates gas exchange. In the endocrine system, it forms glands that secrete hormones. In the urinary system, it filters waste products.
Connective tissues are crucial for providing support and protection. Bone forms the skeleton, which supports the body and protects vital organs. Cartilage provides flexible support and cushioning. Ligaments and tendons provide support and stability to joints.
Different types of muscles work together to facilitate body movements. Skeletal muscles, under voluntary control, contract to pull on bones and cause movement. Smooth muscles in blood vessels regulate blood flow to the muscles. Cardiac muscle pumps blood to deliver oxygen and nutrients to the muscles.
Nerve tissue, composed of neurons, is the main component of the nervous system. It is responsible for receiving sensory input, integrating information, and generating motor output. This allows for coordination of all body functions and responses to the environment.
Epithelial tissue consists of tightly packed cells that cover surfaces and line cavities. It functions in protection, secretion, and absorption. Connective tissue consists of cells scattered in a matrix and functions in support, connection, and transport.
The structure of muscle tissues is related to their function. The long, cylindrical cells of skeletal muscle are adapted for powerful contractions. The spindle-shaped cells of smooth muscle are suited for sustained, involuntary contractions. The branched cells of cardiac muscle allow for coordinated contraction of the heart.
In the skeletal system, bone provides the rigid framework. Cartilage cushions the joints, reducing friction. Ligaments connect the bones, providing stability. Tendons connect the muscles to the bones, allowing for movement.
Tissue specialization in multicellular organisms allows for a division of labor, where different tissues are adapted for specific functions. This increases the efficiency and complexity of the organism, enabling it to perform a wider range of activities and survive in more diverse environments.
Blood is a liquid connective tissue that plays a vital role in transport. It carries oxygen from the lungs to the tissues, carbon dioxide from the tissues to the lungs, nutrients from the digestive system to the cells, waste products from the cells to the kidneys, and hormones from glands to their target organs.
Voluntary muscle control (skeletal muscle) is under conscious control and allows for deliberate movements. Involuntary muscle control (smooth and cardiac muscle) is not under conscious control and regulates essential bodily functions such as digestion and circulation. Both are important for survival.
The structure of neurons is adapted for impulse conduction. The long axon allows for rapid transmission of signals over long distances. The branched dendrites increase the surface area for receiving signals. The myelin sheath around some axons insulates them and speeds up signal transmission.
Animal tissues are classified into four main types based on their structure and function: epithelial, connective, muscular, and nervous. This classification helps in understanding the organization and functioning of the animal body.
Different tissues are organized into organs, and organs are organized into organ systems. The coordinated functioning of these tissues and organs is essential for the survival of the organism. For example, in the digestive system, epithelial tissue absorbs nutrients, smooth muscle moves food along, and nerve tissue controls the process.
Smooth muscle is found in the walls of many organ systems, including the digestive, respiratory, urinary, and circulatory systems. It is under involuntary control by the autonomic nervous system and is responsible for processes such as peristalsis, bronchoconstriction, and vasoconstriction.
Epithelial tissue contributes to homeostasis (maintaining a stable internal environment) by forming selective barriers that control the movement of substances into and out of the body and between different compartments of the body.
Cardiac muscle has several unique properties, including its ability to contract rhythmically without external stimulation (autorhythmicity) and its ability to function as a single, coordinated unit (syncytium). These properties are essential for its function of pumping blood continuously and effectively.
The relationship between tissue structure and function is a fundamental principle of biology. For example, the thin, flat cells of the lung epithelium are adapted for gas exchange, while the thick, strong fibers of tendons are adapted for transmitting force.
Connective tissues provide structural integrity to the body in several ways. Bone forms the rigid skeleton, cartilage provides flexible support, and fibrous connective tissues such as ligaments and tendons hold structures together.
Muscle contraction is caused by the sliding of actin and myosin filaments within muscle cells. In skeletal muscle, contraction is initiated by a nerve impulse. In smooth muscle, contraction can be initiated by nerves, hormones, or stretching. In cardiac muscle, contraction is initiated by specialized pacemaker cells.
Nerve tissue plays a central role in integrating body functions and responses. It receives information from the environment and from within the body, processes this information, and generates appropriate responses, coordinating the activities of all other tissues and organs.
The different animal tissues work together to maintain life processes. For example, the nervous system coordinates the muscular system to obtain food. The digestive system (lined with epithelial tissue and containing smooth muscle) breaks down the food. The circulatory system (blood, a connective tissue) transports the nutrients to all the cells of the body.
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