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प्रश्न
Given in the box below are a set of 14 biological terms. Of these, 12 can be paired into 6 matching pairs. Out of the six pairs, one has been done for you as an example.
Example : endosmosis - Turgid cell.
Identify the remaining five matching pairs :
| Cushing’s syndrome, Turgid cell, Iris, Free of rod and cone cells, Colour of eyes, Hypoglycemia, Active transport, Acrosome, Addison’s disease, Blind spot, Hyperglycemia, Spermatozoa, Endosmosis, Clotting of blood. |
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उत्तर
(i) Blind spot: Free of rods and cones
(ii) Acrosome: Spermatozoa
(iii) Iris: Colour of eyes
(iv) Addison’s disease: Hypoglycemia
(v) Cushing’s syndrome: Hyperglycemia
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संबंधित प्रश्न
Draw labelled diagrams of the following: Ear
For human ears, the audible range is 20 Hz to 20,000 Hz.
What is the name of passage in outer ear which carries sound waves to the ear-drum ?
The diagram alongside represents the structure found in the inner ear. Study the same and then answer the questions that follow:
(i) Name the parts labelled A, B, C and D.
(ii) Name the parts of the ear responsible for transmitting impulses to the brain.
(iii) Name the part labelled above which is responsible for:
1. Static equilibrium. 2. Dynamic equilibrium. 3. Hearing
(iv) Name the audio receptor cells which pick up vibrations.
(v) Name the fluid present in the inner ear.
Mention, if the following statement is True or False
Cochlea of the ear is concerned with the sense of balance.
State the functions of the following:
Semi-circular canals
State the Function:
Endolymph
Assertion: Human beings Cannot hear infrasonic sounds.
Reason: Sound with a frequency less than 20 Hz is called infrasonic sound.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Ear pinna : Auricle :: Inner ear : ______.
With reference to human ear answer the question that follow:
Name the part of the ear associated with Static balance.
