1. Round window
2. Tympanic membrane
3. Tectorial membrane
4. Basilar membrane
Tectorial membrane
1. Different absorption of wavelengths of light by different classes of rods
2. Ability of each cone to absorb all wavelengths of light equally
3. Lens of the eye acting like a prism and separating the different wavelengths by light
4. Three different isomers of opsin in different classes of cone cells
Three different isomers of opsin in different classes of cone cells
1. Images from the distant objects are focused behind the retina
2. The focusing power of the lens is increased
3. The sympathetic nerves to the eye are activated
4. The pupil does not constrict
The focusing power of the lens is increased
1. Perception is the conscious awareness and interpretation of sensation
2. Dancers and sport persons are available to maintain their proper body position by using their internal sense of balance
3. Each eye weighs only 7gms
4. Embedded in the tarsal plate of eyelid is row of elongated modified sebaceous glands called meibomian glands
Dancers and sport persons are available to maintain their proper body position by using their internal sense of balance
1. Glands of Zeis-modified sebaceous glands
2. Glands of Moll- modified sweat glands
3. Meibomain glands- modified sebaceous glands
4. Harderian glands- modified sweat glands
Harderian glands- modified sweat glands
1. Insects
2. Annelids
3. Rabbit
4. Frog
Insects
1. must be colour blind
2. must have normal vision
3. may be colour blind or may be of normal vision
4. will be partially colour blind since he is heterozygous for the colour blind mutant allele
5. Tumer’s syndrome
may be colour blind or may be of normal vision
1. Both (A) and (R) are true and the (R) is the correct explanation of the (A)
2. Both (A) and (R) are true but the (R) is not the correct explanation of the (A)
3. (A) is true statement but (R) is false
4. Both (A) and (R) are false
Both (A) and (R) are true and the (R) is the correct explanation of the (A)
1. Down syndrome — 44 autosomes + XO
2. Colourblindness — Y-linked
3. Klinefelter syndrome — 44 autosomes + XXY
4. Erythroblastosis foetalis — X-linked
Klinefelter syndrome — 44 autosomes + XXY
1. Homozygous sex chromosomes (ZZ) determine female sex in Birds.
2. XO type of sex chromosomes determine male sex in grasshopper
3. X0 condition in humans as found in Turner Syndrome, determines female sex
4. Homozygous sex chromosomes (XX) produce male in Drosophila.
XO type of sex chromosomes determine male sex in grasshopper