Which of the following is the part of outer ear?

Correct! Wrong!

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The outer ear consists of the pinna and external auditory meatus called canal.

Which of the following has a well developed neural system?

Correct! Wrong!

Vertebrates have a well developed neural system when compare to the other organisms given in the options.

The information from the nose is transmitted to the brain with the help of ____.

Correct! Wrong!

The information from the nose is transmitted to the brain with the help of nerves.

Of all the sense organs, the ____ is the most significant part which enables us to see the beautiful world around us.

Correct! Wrong!

Of all the sense organs, the eye is the most significant part which enables us to see the beautiful world around us.

Which of the following gets impulses from the somatic neural system?

Correct! Wrong!

The somatic neural system relays impulses from the CNS to skeletal muscles.

Which of the following statements is true?

Correct! Wrong!

Midbrain and hindbrain form the brain stem.

The tongue is able to detect four basic tastes____.

Correct! Wrong!

The tongue is able to detect four basic tastes: salty, sweet, bitter, and sour.

The human tongue has many receptors that are specialized for ____.

Correct! Wrong!

The human tongue has many receptors that are specialized for taste.

The major part of the refraction of light entering the eye takes place at the ____.

Correct! Wrong!

The major part of the refraction of light entering the eye takes place at the outer surface of the cornea.

____ is not a sense organ.

Correct! Wrong!

Teeth is a not a sense organ. Sense organs are eyes, nose, ears, tongue and skin.

Which of the following is called as grey matter?

Correct! Wrong!

The cerebral cortex is referred to as the grey matter because of its greyish appearance.

Defect in this part may cause color blindness. Which is it?

Correct! Wrong!

Cones help see color. So, defects in cones cause color blindness.

Which of the following is present in the cerebral cortex?

Correct! Wrong!

The multipolar neurons have one axon and two or more dendrites. This type of neuron is present in the cerebral cortex.

Which of the following is the part of the central neural system?

Correct! Wrong!

The human neural system is divided into central neural system (CNS) and peripheral neural system (PNS). The CNS includes the brain and the spinal cord whereas the PNS includes all the nerves of the body associated with the CNS.

____ cells respond to the external stimuli.

Correct! Wrong!

receptor cells respond to the external stimuli.

Apart from hearing, which of the following function is done by the ears?

Correct! Wrong!

Apart from hearing, the ears help in maintenance of body balance.

____ is an important method to diagnose meningitis.

Correct! Wrong!

CSF test is an important method to diagnose meningitis. Meningitis is caused by virus, bacteria, fungus, and other parasites. Cerebrospinal fluid (CSF) test is an important method to diagnose the disease.

What are nodes of Ranvier?

Correct! Wrong!

The gaps between two adjacent myelin sheaths are called nodes of Ranvier.

Receptors in the human nose are ____.

Correct! Wrong!

Receptors in the human nose are chemoreceptors.

____ not an external stimuli.

Correct! Wrong!

Hunger not an external stimuli.

Which of the following parts is called blind spot?

Correct! Wrong!

Portion where photoreceptors are absent are called blind spot.

Which of the following gives the eye its shape?

Correct! Wrong!

The vitreous body is the biggest part of the eye which is responsible for its shape.

Which of the following statements is true?

Correct! Wrong!

The afferent nerve fibres transmit impulses from tissues/organs to the central neural system. The efferent fibres transmit regulatory impulses from the central neural system to tissues/organs.

Generally, the taste buds close to the tip of the tongue are sensitive to ____ tastes whereas those in the back of the tongue are sensitive to ____tastes.

Correct! Wrong!

Generally, the taste buds close to the tip of the tongue are sensitive to sweet tastes whereas those in the back of the tongue are sensitive to bitter tastes.

Ciliary muscles relax to make the eye lens thin and focus a distant object on the retina.

Correct! Wrong!

Ciliary muscles relax to make the eye lens thin and focus a distant object on the retina.

The receptors for detecting the smell are located ____.

Correct! Wrong!

The receptors or detecting the smell are located at the top of the nasal cavity.

The discharge of abnormal and disordered electrical impulses from the cerebral cortex is responsible for ____.

Correct! Wrong!

The discharge of abnormal and disordered electrical impulses from the cerebral cortex is responsible for epilepsy. Epilepsy patients strike their hands and limbs against the ground and they often become unconscious.

Cerebral haemorrhage and cerebral thrombosis are causes for ____.

Correct! Wrong!

Cerebral haemorrhage and cerebral thrombosis are causes for stroke.

Which of the following is not a part of middle ear?

Correct! Wrong!

The middle ear consists of three parts called malleus, incus, and stapes. Pinna is the part of outer ear.

Which of the following is not a part of the forebrain?

Correct! Wrong!

The forebrain consists of cerebrum, thalamus and hypothalamus. Brain stem is not the part of forebrain.

ICSE Class 10th Biology 8 - Nervous System MCQs
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