8. Have a look at the posture of this girl who is reading a book and answer the questions which follow: (a) Name the problem she is facing. (b) What are the two conditions shown in sections A and B...
E. STRUCTURED/APPLICATION/SKILL TYPE
7. Draw a labelled diagram of the inner ear. Name the part of the inner ear that is responsible for static balance in human beings. Solution:- In humans, the Utriculus and Sacculus are in charge of...
E. STRUCTURED/APPLICATION/SKILL TYPE
6. Given below is a diagram of a part of the human ear. Study the same and answer the questions that follow: (i) Give the collective biological term for Malleus, Incus and Stapes. (ii) Name the...
E. STRUCTURED/APPLICATION/SKILL TYPE
5. The figure below is the sectional view of a part of the skull showing a sense organ: (i) Name the sense organ. (ii) What are the parts labeled ‘m’, ‘i’ and ‘s’? What do these parts constitute...
E. STRUCTURED/APPLICATION/SKILL TYPE
4. Given below is a diagram depicting a defect of the human eye? Study the same and answer the questions that follow: (a) Name the defect shown in the diagram. (b) Give two possible reasons for this...
E. STRUCTURED/APPLICATION/SKILL TYPE
3. The figure below compares a part of our eye with a part of a photographic camera. (a) Name the corresponding parts of the eye and the camera shown here that are comparable in function. (b)...
E. STRUCTURED/APPLICATION/SKILL TYPE
2. With reference to the human ear, answer the questions that follow: a. Given the technical term for the structure found in the inner ear. b. Name the three small bones present in the...
E. STRUCTURED/APPLICATION/SKILL TYPE
1. With reference to the functioning of the eye, answer the questions that follow: a. What is meant by power of accommodation of the eye? b. What is the shape of the lens during (1) near...
D. LONG ANSWER TYPE
8. What is meant by power of accommodation of the eye? Name the muscles of the eye responsible for the same…………………. Solution:- The image of an object should be in sharp focus in each eye to view it...
D. LONG ANSWER TYPE
7. Name the three ear ossicles. How do they contribute to the mechanism of hearing? Solution:- Malleus (hammer), Incus (anvil), and Stapes (staples) are three Greek gods (stirrup). The ear ossicles...
D. LONG ANSWER TYPE
6. Enumerate the common defects of vision, their causes and the possible methods of correcting them. Solution:- Defect of visionCauseCorrective measure1. MyopiaThe eyeball is lengthened from front...
D. LONG ANSWER TYPE
5. You do not enjoy watching a movie from a very short distance from the screen in a cinema hall. Why? Solution:- A blurred image is generated when watching a movie from a very close distance....
D. LONG ANSWER TYPE
4. Explain the terms ‘adaptation’ and ‘accommodation’ with reference to the eye. Solution:- Adaptation: For a brief period of time, when you move from a highly lit area to a dark environment (such...
D. LONG ANSWER TYPE
3. By closing the eyes and gently pressing them by your palms, you may see some specks of brilliant light. How do you get this sensation while there is no light entering your eyes? Solution:- We can...
D. LONG ANSWER TYPE
2. Sometimes you remember a vivid picture of a dream you saw. What is the role of your eyes in this experience? Solution:- Through the eyes, the brain perceives a detailed picture of the dream. Our...
D. LONG ANSWER TYPE
1. Describe the mechanism of focusing the image of a distant object in your eye when you raise your head after reading a book. Solution:- The image of an object should be in sharp focus in each eye...
C. SHORT ANSWER TYPE
10. Complete the following table by filling in the blank spaces. Structure Function 1. Yellow spot (i) …………….. 2. ………………… (ii) Transfers impulse from inner ear to brain 3. ………………… (iii) Helps to...
C. SHORT ANSWER TYPE
9. Where are the following located? Briefly mention the function of each: (a) Oval window (b) Cochlea (c) Semicircular canals (d) Utriculus Solution:- (a) Oval window is a membrane-covered opening...
C. SHORT ANSWER TYPE
8. What is meant by optical illusion? Give one example. Pictures are shown on a screen at a rate of around 24 frames per second in a movie, but due to after-images in our eyes, we cannot perceive...
C. SHORT ANSWER TYPE
7. Answer the following: (a) What is the function of the lacrimal gland and where is it situated in the body? (b) In what two ways is the yellow spot different from the blind spot? (c) Name an...
C. SHORT ANSWER TYPE
6. Given below are certain structures. Write against each their special functional activity. (a) Organ of Corti and …………… (b) Olfactory nerve and ………….. (c) Retina and ………… Solution:- (a) The organ...
C. SHORT ANSWER TYPE
5. Given below are two sets (a) and (b) of five parts in each. Rewrite them in correct sequence. (a) Cochlea, tympanum, auditory canal, ear ossicles, oval window. (b) Conjunctiva, retina, cornea,...
C. SHORT ANSWER TYPE
4. Mention if the following statements are true (T) or false (F). Give reason. (a) Sometimes medicines dropped into the eyes come into the nose and even throat. (b) Ciliary muscles regulate the size...
C. SHORT ANSWER TYPE
3. Mention, where in living organisms are the following located and state their main functions: (a) Fovea centralis (b) Organ of corti Solution:- (a) The fovea centralis, or yellow spot, is located...
C. SHORT ANSWER TYPE
2. State whether the following statements are true (T) or false (F). If false, correct them by changing any one single word in each.(a) Deafness is caused due to rupturing of the pinna. (b)...
C. SHORT ANSWER TYPE
1. Differentiate between members of each of the following pairs with reference to what is asked in brackets. (a) Myopia and hyperopia (cause of the defect) (b) Rods and cones (sensitivity) (c)...
B. VERY SHORT ANSWER TYPE
3. Which one or more of the expressions in column II are appropriate for the items listed in column I? Match the correct pairs – Column I Column II (i) The blind spot (a) colour of the eye (ii) The...
B. VERY SHORT ANSWER TYPE
2. Note the relationship between the first two words and suggest the suitable word/words for the fourth place. (a) Cones: Iodopsim:: Rods: ________. (b) Sound: ear drum:: dynamic balance:...
B. VERY SHORT ANSWER TYPE
1. Name the following:(a) The photosensitive pigment present in the rods of the retina. (b) The part which equalizes the air pressure in the middle and external ear. (c) The ear ossicle attached to...
A. MULTIPLE CHOICE TYPE
(Select the most appropriate option in each case) 4. The region in the eye where the rods and cones are located is the(a) retina (b) cornea (c) choroid (d) sclera Solution:- (a)...
A. MULTIPLE CHOICE TYPE
(Select the most appropriate option in each case) 3. The three parts of human ear contributing in hearing are –(a) cochlea, ear ossicles and tympanum(b) semicircular canals, utriculus and...
A. MULTIPLE CHOICE TYPE
(Select the most appropriate option in each case) 2. Which part of our ear is shaped like a snail shell?(a) Semi-circular canals (b) Cochlea (c) Stapes (d) Eustachian tube Solution:- (b)...
A. MULTIPLE CHOICE TYPE
(Select the most appropriate option in each case). 1. Which part of the eye is grafted in a needy patient from a donated eye? (a) Conjunctiva (b) Cornea (c) Choroid (d) Ciliary muscles Solution:-...