1. In human brain corpus callosum connects ____________
a) Two optic lobes
b) Bone and muscle
c) Two cerebral hemisphere
d) Two lobes of pituitary gland
Explanation: Corpus callosum is a part of the mind that allows communication between two hemispheres of the brain. It is responsible for transmitting neural messages between both right and left hemisphere
2. Broca’s area of speech is present in ___________
a) Two optic lobes
b) Frontal lobe
c) Parietal lobe
d) Temporal lobe
Explanation: Broca’s area is important for putting words together to form complete sentences. It is present in Frontal lobe.
3. The receptor absent in tongue is ____________
a) Thermo receptors
b) Gustato receptors
c) Photo receptors
d) Cannot be determined
Explanation: Photo receptors are sensitive to light. It is not seen in tongue. It is present in eyes
4. Which taste bud is present on the lateral sides of the tongue?
a) Salty
b) Sweet
c) Bitter
d) Sour
Explanation: A man can perceive four basic modalities of taste i.e. sweet sour salty and bitter. Other tastes like pepper chocolate etc are experienced by a combination of two or more fundamental tastes.
5. How many types of lingual papillae are found lingual papillae?
a) 3
b) 2
c) 1
d) 4
Explanation: There are 3 types of lingual papillae found on the tongue. They are circumvallate papillae, Funfiform papillae and filliform papillae
6. Which membrane connects tongue to the bottom of the mouth?
a) Frenulum
b) Septum
c) Lingual wall
d) Barrier reff
Explanation: Frenulum is a small fold of mucous membrane extending from floor of the mouth to midline of the underside of the tongue
7. Which receptor is present in the nose?
a) Photo receptors
b) Telo receptors
c) Olfacto receptors
d) Phono receptors
Explanation: Olfacto receptors are present in the nose. It is narrow and spindle shaped. Life span is about 2months and is replaced by basal cells.
8. What are the two holes on the nose called?
a) Septum
b) Blow holes
c) Cartilage
d) Nostrils
Explanation: Nostril is one of the two holes in the nose through which we breathe smell and sneeze.
9. Bowman’s glands are found in _________
a) Olfactory epithelium
b) External auditory canal
c) Cortical nephron
d) Juxtamedullary
Explanation: Bowman’s glands are olfactory glands situated in the olfactory mucosa beneath the olfactory epithelium. It consists of an acinus in the lamina propria and secretory duct going out through the olfactory epithelium.
10. What is behind the nose and connects with the back of the throat?
a) Bone
b) Nasal cavity
c) Nasal passage
d) Hard palate
Explanation: Nasal cavity is a large air filled space above and behind the nose in the middle of the face. It filters air entering body before it reaches the lungs