Sense Organs

Q.

Name the following:

The four tastes that your tongue tastes.

Q. Name three types of papillae. Which of the two bear taste buds? What is the role of the third type?

Q. (a) Name one gustatory receptor and one olfactory receptor present in human beings.

(b) Write a and b in the given flow chart of neuron through which information travels as an electrical impulse

Q.

Gustatory cells are present in

1. Nose epithelium

2. Taste bud

3. Retina

4. Inner ear

Q.

Match the following sense organs with the sensations they respond to.

$\begin{array}{cc}SenseOrgan& Sensations\\ 1.Ears& A.Sight\\ 2.Nose& B.Taste\\ 3.Eyes& C.Touch\\ 4.Tongue& D.Hearing\\ 5.Skin& E.Smell\end{array}$

1. 1 - C, 2 - D, 3 - A, 4 - B, 5 - E

2. 1 - D, 2 - E, 3 - A, 4 - B, 5 - C

3. 1 - C, 2 - E, 3 - A, 4 - B, 5 - D

4. 1 - A, 2 - D, 3 - E, 4 - B, 5 - C

Q.

Positive gestures are body signals that make you look: a. Arrogant b. Hurtful c Nervous d. Relaxed

Q.

What Is Homoiothermous? Give Examples And Explain In Brief?

Q.

Name one olfactory receptor and one gustatory receptor in human beings.

Q. Match the following actions with the respective sense organs.
$\begin{array}{cc}\text{Action}& \text{Sense organ}\\ \text{(A) To taste an apple}& \text{(1) Nose}\\ \text{(B) To smell a flower}& \text{(2) Skin}\\ \text{(C) To feel the shape of an apple}& \text{(3) Tongue}\end{array}$

1. A - 1, B - 2, C - 3
2. A - 3, B - 2, C - 1
3. A - 3, B - 1, C - 2
4. A - 2, B - 1, C - 3

Q.

The most important structures to receive external stimulus are (1)__ and the system of these organs is called (2)____.

1. 1. Effectors organs 2. Motor system 3. Eye 4. Ear 5.4

2. 1. Effectors organs 2. Motor system 3. Eye 4. Ear 5. 6

3. 1. Receptors organs 2. Sensory system 3. Ear 4. Eye 5.3

4. 1. Receptors oragns 2. Sensory system 3. Ear 4. Eye 5. 5

Q. Identify the correct relationship.

Gustatory receptors: taste; olfactory receptors: ?

1. touch
2. vision
3. smell
4. hear

Q. Identify the name of the receptors present here.

1. Olfactory receptors
2. Gustatory receptors
3. Photoreceptors
4. Thermoreceptors

Q. Among the following, which are the correct match regarding taste buds and their regions on the tongue?

1. Salt - anterior edges
2. Sweet - front
3. Bitter- posterior region
4. Sour - posterior region

Q.

What is the function of olfactory receptors?

1. They detect light

2. They release gastric juices

3. They detect taste

4. They detect smell

Q. Answer any 6 from questions 7-13. 2 Scores each (6 x 2 = 12)

Name the receptor present in the housefly and explain its function.

Q. Name the type of sense organs and describe them.

Q.

The three main parts of the ear contributing to hearing are

1. Cochlea, ear ossicles and tympanum

2. Perilymph, ear oscicles, and semicircular canal

3. Semicircular canal, utriculus, sacculus

4. Eustachian tube, tympanum, utriculus

Q. Name the following:

(i) Nervous system including brain and spinal cord.
(ii) Sympathetic and parasympathetic jointly forms.
(iii) Terminal end of spinal cord.
(iv) The third neurone that is involved in reflexes, other than simple reflex.
(v) Study of structure and functions of nervous system.
(vi) Nerve which carry impulse from sensory receptor to CNS.
(vii) The nerve which carry impulse from CNS to muscles.
(viii) The peripheral matter of spinal nerve.
(ix) The peripheral matter of the brain.
(x) Outermost meningial membrane of spinal cord.
(xi) Structural and metabolic unit of nervous tissue.
(xii) The biological term given to the protective membranes of the brain.
(xiii) Cavity in which brain is situated.
(xiv) The neobrain.
(xv) The important centre of emotion.
(xvi) Paired lobes of midbrain related to the vision.
(xvii) Paired lobes of the brain related to the sense of smell.
(xviii) Fissure between the cerebral hemispheres.
(xix) Inability to write.
(xx) The busiest organ of the body.
(xxi) Inability to speak.
(xxii) The longest cranial nerve.
(xxiii) Thoracolumber region of spinal cord form.
(xxiv) Highly branched axon's end.
(xxv) Neuron only with axon.
(xxvi) White part of the eye.
(xxvii) Short sightedness.
(xxviii) Part of internal ear related to balance.
(xxix) The photosensitive pigment present in the rod cells of the retina.

Q. Which of the following have taste buds?

1. Palate
2. Mucous lining
3. Tongue
4. None of the above

Q. Name one gustatory receptor and one olfactory receptor present in human beings.

Q. Give examples of animals that may have very strong sense of sight, hearing or smell.

Q. Each taste bud has a cavity with a pore known as

1. Dermis
2. Taste pores
3. Tympanum
4. Basilar membrane

Q. Why aren't we able to tickle ourselves or. Why don't we feel it on ourselves

Q. How do the following processes occur? We move our hand away from a hot object.

Q. .......... helps to identify the taste of food.

1. Nose
2. Skin
3. Tongue
4. All of the above

Q. Identify the sense organs.

1. Eyes
2. Nose
3. All of the above
4. Tongue

Q. Hypoglossal is an/a

1. None of the above
2. Efferent nerve
3. Afferent nerve
4. Mixed nerve

Q. The word 'olfaction' relates to which of the following?

1. Vision
2. Touch
3. Taste
4. Smell

Q. Neural Control and Coordination full chapter is coming except Eye and Ear. Yes/No

Q. Structural deformity of the ears can lead to hearing loss.

1. True
2. False