CBSE Questions for Class 11 Medical Biology Structural Organisation In Animals Quiz 5 - MCQExams.com

Largest earthworm is 
  • Pheretima
  • Lumbricus
  • Megascolex
  • Dravida
Collagen and elastin are formed by
  • Macrophages
  • Fibroblasts
  • Mast cells
  • Chondrocytes
  • Adipocytes
Which of the following is/are the features of cardiac muscles?
  • Involuntary
  • Do not get fatigued
  • Striated 
  • All of the above
Strongest muscles are
  • Thigh muscles
  • Leg muscles
  • Arm muscles
  • Jaw muscles
Minimum regeneration power is present in, which of the following tissue?
  • Nervous tissue
  • Connective tissue
  • Epithelial tissue
  • Muscular tissue
Functionally, cardiac muscles are similar to
  • Unstriped muscles
  • Striped muscles
  • Striped and smooth muscles
  • None of the above
The main function of ligament is
  • Joining of two bones
  • Joining of muscles
  • Joining of muscle to bone
  • Joining of muscle to nerves
ATP-ase activity is found in
  • Myosin filament
  • Actin filament
  • Both A and B
  • None of the above
Unstriated muscle are also known as:
  • Visceral
  • Smooth
  • Involuntary
  • All of the above
Multi unit muscle fibres are found in the:
  • Ciliary and iris of eyes
  • Arrector pilli of dermis
  • Wall of large blood vessels
  • All of the above
Epimysium of muscles are made up of
  • Reticular connective tissue
  • White fibrous connective tissue
  • Adipose connective tissue
  • Areolar connective tissue
Largest muscle is
  • Gluteus maximus
  • Sartorius
  • Stapedius
  • Biceps muscle
Belly of a muscle is
  • Upper part of muscle
  • Middle part of muscle
  • Lower part of muscle
  • None of the above
In camel, number of cervical vertebra is
  • 6
  • 7
  • 8
  • 9
Smooth muscle fibres are:
  • Spindle shaped
  • Unbranched and involuntary
  • Uninucleate
  • All of the above
What used to be described as Nissl granules in a nerve cell are now identified as?
  • Cell metabolites
  • Fat granules
  • Ribosomes
  • Mitochondria
The gap junctions are found in 
  • Neural tissue
  • Muscular tissue
  • Connective tissue
  • Epithelial tissue
Metamerism is the characteristic of 
  • Ascaris
  • Pheretima
  • Periplaneta
  • Hydra
Least blood supply will be present in: 
  • Skeletal muscle
  • Cardiac muscle
  • Smooth muscle
  • All of the above
Shivering in winter is caused by
  • Voluntary action of striated muscles
  • Voluntary action of unstriated muscles
  • Involuntary action of striated muscles
  • Involuntary action of unstriated muscles
Striated muscles are closely associated with the skeletal components of the body like:
  • Trachea
  • Lung
  • Leg
  • Gall bladder
Which of the following is an example of an organ that contains a smooth muscle?
  • Iris of eye
  • Uterus
  • Bronchi 
  • All of the above
Which of the following are scientific name of Leech and Earthworm respectively?
  • Pheretima posthuma
  • Lumbricus terrestris.
  • Both of the above 
  • None of the above
The tissue that attaches muscles to the bones is _____. 
  • Cartilage
  • Tendon
  • Ligament
  • Blood
The tissue that joins one bone to the other is ___________
  • Ligament
  • Tendon
  • Blood
  • Cartilage
Areolar tissue is a __________________.
  • Nervous tissue
  • Muscuiar tissue
  • Connective tissue
  • Epithelial tissue
The entire body surface and cavities inside the body are lined by
  • Muscle tissue
  • Epithelial tissue
  • Connective tissue
  • Nervous tissue
Find out the correct statement from the following.
  • In the muscles, anaerobic respiration produces lactic acid.
  • In the muscles, anaerobic respiration produces carbon dioxide, water and oxygen.
  • In muscles, Aerobic respiration produces lactic acid.
  • None of the above.
The tissues which is under the control of one's will is ___________.
  • Cardiac muscle
  • Skeletal muscle
  • Non-striated muscle
  • Cartilage
Which of the following muscles are ectodermal in origin ?
  • Muscles of the iris
  • Ciliary muscles
  • Lentis muscles
  • None of these
Which type of tissue forms spinal cord and brain?
  • Muscular tissue
  • Nervous tissue
  • Epithelial tissue
  • Connective tissue
Involuntary muscular tissue forms wall of which one of the following organs?
  • Intestine
  • Stomach
  • Bronchi
  • All of the above
The functional unit of nervous tissue is called as_________
  • Cyton
  • Synapse
  • Neuron
  • Axon
The longest cell in human body is_______________
  • Neuron
  • Muscle fibre
  • Epithelial cell
  • Bone cell
In vertebrates the long bones are always hollow. The advantages that this anatomy provides are that:
They harbour and protect marrow.
They provide attachment to tendons.
They are stronger than solid structures made of same amount of material.
Only hollow bones can articulate better with one another.
  • Only 1, 2 and 4
  • Only 1 and 3
  • Only 1, 3 and 4
  • 1, 2, 3 and 4
Wall of urinary bladder consists of___________.
  • Striated muscles
  • Unstriated muscles
  • Both of the above
  • None of these
Smooth muscle cells are _________ structures.
  • Branched
  • Unbranched
  • Striated
  • Multinucleated
What is the function of nerve cells?
  • Nerve cells receive messages from different parts of the body.
  • Nerves transfer the messages to the brain.
  • Brain send commands for the functioning of different organs of the body via nerves.
  • All of the above
In higher animals, the skin is made up of
  • Epithelial tissue
  • Connective tissue
  • Nerve tissue
  • None of the above
The longest cell in the human body is _____________
  • Muscle cell
  • Nerve cell
  • Lung cell
  • Blood cell
Muscles of alimentary canal are chiefly
  • Striated and Neurogenic
  • Unstriated and Neurogenic
  • Striated and Myogenic
  • Unstriated. and Myogenic
Circulatory system of Pheretima is of
  • Open type
  • Closed type
  • Both A and B
  • None of the above
The covering or protective tissue in the animal body is
  • Connective tissue
  • Epithelium
  • Muscle
  • None of these
Tendons connect:
  • A muscle to a muscle 
  • A muscle to a bone
  • A bone to another bone
  • A bone to a ligament
Which of these are connective tissues?
  • Spinal cord
  • Nerves
  • Bones and cartilage
  • None of these
Ligament connects a bone with a_________________
  • Muscle
  • Bone
  • Tendon
  • Nerve
Nerve cells have many short branches called as___________
  • Dendrites
  • Neurons
  • Axons
  • Neutrophils
Long, cylindrical, unbranched muscle fibres with light and dark bands are______
  • Smooth muscles
  • Skeletal muscles
  • Cardiac muscles
  • Ligaments
Bone matrix is rich in _____________________
  • Calcium and potassium
  • Phosphorus and potassium
  • Calcium and phosphorus
  • Calcium and sodium
The major constituent of vertebrate bone is _______.
  • Calcium phosphate
  • Potassium hydroxide
  • Sodium chloride
  • Calcium carbonate
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