EASY
Earn 100
A large number of nerve fibers are bound together in bundles by
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Important Questions on Structural Organisation in Animals
HARD
Which type of tissue is correctly paired with its location?
MEDIUM
What is correct for the sympathetic nervous system?
EASY
Stimulus from the environment is detected by the nerve cells. The stimulus acquired is transmitted in the form of electrical impulses. From the options given below choose the correct scheme showing the direction in which the nerve impulse travels. (Arrows shows the direction of impulse flow)
EASY
Smooth muscles are
EASY
Label the parts corresponding to the alphabets in the given diagram given?
EASY
The terga, sterna and pleura of cockroach body are joined by:
EASY
Determine the number of Cranial nerves in human body -
EASY
Choose the correctly matched pair:
EASY
Activation of sympathetic nervous system:
MEDIUM
The diagram is given below the internal structure of a spinal cord depicting a phenomenon. Study the diagram and answer the questions.
Give the technical term for the point of contact between the two nerve cells.
EASY
Adult human RBCs are enucleate. Which of the following statement(s) most appropriate explanation for this feature?
(i) They do not need to reproduce
(ii) They are somatic cells
(iii) They do not metabolize
(iv) All their internal space is available for oxygen transport
MEDIUM
Oligodendrocytes and astrocytes are neuroglial cells found in ___.
a) Peripheral nervous system involved in the formation of the myelin sheath.
b) Central nervous system in which oligodendrocytes form myelin sheath and astrocytes bind neurons with capillaries.
c) Autonomic nervous system in which both cells provide support.
d) Sympathetic nervous system in which the two cells help in conduction.
EASY
Myelin sheath is produced by
EASY
The function of the gap junction is to:
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The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in:
EASY
Goblet cells of alimentary canal are modified from
MEDIUM
Choose the correctly matched pair:
MEDIUM
Identify the ODD term in each set and name the CATEGORY to which the remaining three belong:
MEDIUM
The cells which form blood brain barrier in the central nervous system are
MEDIUM
The two components of autonomous nervous system have antagonistic actions. But in certain cases their effects are mutually helpful. Which of the following statement is correct?
