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Sense Organs - 1

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Which of the following glands are found in the skin of mammals?

  1. Cutaneous glands
  2. Ceruminous glands
  3. Sudorific glands
  4. Sebaceous glands
  1. 1, 2 and 3

  2. 1, 2 and 4

  3. 1, 3 and 4

  4. 2, 3 and 4

  5. All of these


Correct Option: C
Explanation:

Correct answer. Ceruminous glands (wax glands) are found in the external ear cavity. They secrete ear wax (cerumen). Cutaneous glands are found in the skin of mammals. Their secretion helps lubricate the root of hair. Sudorific glands are found in the skin of mammals. They secrete sweat to cool the body. Sebaceous glands are found in the skin of mammals. They secrete oily substance to lubricate base of hair.  

Which part of the nasal passage has olfactory (smell) function?

  1. Adenoid cells

  2. Ethmoturbinal region

  3. Mucus

  4. Nasal hair


Correct Option: B
Explanation:

Ethmoturbinal region or schneiderian membrane detects the smell.

_______________ are present in the inner ear to determine sound.

  1. Photoreceptors

  2. Phonoreceptors

  3. Olfactory receptors

  4. Gustatory receptors

  5. Thermoreceptors


Correct Option: B
Explanation:

This is the correct option. Phonoreceptors are present in the inner ear to determine sound.

Which of the following is a sense organ?

  1. Eyes

  2. Hair

  3. Neck

  4. Hands


Correct Option: A
Explanation:

We have five sense organs, namely: eyes, ears, skin, nose, tongue.

Which of the following glands associated with the eye secretes tears?

  1. Ceruminous gland

  2. Tarsal gland

  3. Meibomian gland

  4. Lacrymal gland

  5. Parotid gland


Correct Option: D
Explanation:

Lacrymal gland secretes tears.

Human eye is situated in a pit called ______.

  1. eye ball

  2. eye bone

  3. eye socket

  4. eye brow


Correct Option: C
Explanation:

 Human eye is situated in a pit called eye socket.

The enzyme present in tears is

  1. ensozyme

  2. lysozyme

  3. lactozyme

  4. None of these


Correct Option: B
Explanation:

The enzyme present in tears is lysozyme. It has antimicrobial action.

The thin membrane which covers the outermost part of our eye is ______.

  1. cornea

  2. conjunctiva

  3. sclera

  4. choroid


Correct Option: B
Explanation:

 Conjuctiva is a thin membrane which covers the outermost part of our eye.

Which of the following parts is/are responsible for the transfer of vibrations from the external ear to the inner ear?

  1. Tympanum

  2. Round window

  3. Ear ossicles

  4. Auditory canal

  5. Cochlea


Correct Option: C
Explanation:

Ear ossicles transfer vibrations from the external ear to the inner ear.

How many sense organs do we have?

  1. 4

  2. 5

  3. 6

  4. 7


Correct Option: B
Explanation:

We have five sense organs, eyes, ears, nose, tongue, skin.

Human beings have five sense organs, eyes, nose, ear, tongue, and skin. Which of these organs helps to taste sweet and sour things?

  1. Eyes

  2. Nose

  3. Ear

  4. Tongue

  5. Skin


Correct Option: D
Explanation:

Our sense of taste comes from the taste buds on our tongue. The tongue is able to taste four separate flavors: salty, sweet, sour and bitter.

Which sense organ can feel hot, cold and soft things?

  1. Nose

  2. Skin

  3. Eyes

  4. Head


Correct Option: B
Explanation:

Skin can feel hot,cold and soft things.

Which of the following body parts contains gustatory receptors?

  1. Eyes

  2. Ears

  3. Nose

  4. Tongue

  5. Finger


Correct Option: D
Explanation:

Tongue possesses gustatory receptors.

Rods and cones are special type of cells which enable vision at night. They are found in

  1. sclera

  2. retina

  3. choroid

  4. cornea


Correct Option: B
Explanation:

Rods and cones are special type of cells which enable vision at night. They are found in retina of the eyes.

Which of the following life processes takes place with the help of sense organs?

  1. Growth

  2. Response to stimuli

  3. Respiration

  4. Movement

  5. Reproduction


Correct Option: B
Explanation:

It takes place with the help of sense organs.

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