Which one of the following statements is not correct?

• Retinal is the light absorbing portion of visual photopigments

• In retina, the rods have the photopigments rhodopsin, while cones have three different photopigments

• Retinal is a derivative of vitamin -C 

• Retinal is a derivative of vitamin -C 

12.

The supportive skeletal structures in the human external ears and in the nose tip are examples of

• ligament

• areolar tissue

• bone

• bone

Which of the following regions of the brain is incorrectly paired with its function?

• Medulla oblongata – homeostatic control

• Cerebellum – language comprehension

• Corpus callosum – communication between the left and right cerebral cortices

• Corpus callosum – communication between the left and right cerebral cortices

A gymnast is able to balance his body upside down ever in the total darkness because of

• cochlea

• vestibular apparatus 

• tectorial membrane

• tectorial membrane

The purplish red pigment rhodopsin contained in the rods type of photoreceptor cells of the human eyes is a derivative of 

• Vitamin -C 

• Vitamin -D 

• Vitamin - A 

• Vitamin - A 

• A	B	C
  Placenta	Insulin	Vasopressin

• A	B	C
  Ovary	Insulin	Calcitonin

• A	B	C
  Placenta	Glucagon	Calcitonin

• A	B	C
  Placenta	Glucagon	Calcitonin

Select the answer with the correct matching of the structure, its location and function.

• Structure	Location	Function
  Eustachian	Anterior part of internal ear	Equalizes air pressure on either sides of tympanic membrane

• Structure	Location	Function
  Cerebellum	Mid -brain	Controls respiration and gastric secretions

• Structure	Location	Function
  Hypothalamus	Forebrain	Control body temperature, urge for eating and drinking

• Structure	Location	Function
  Hypothalamus	Forebrain	Control body temperature, urge for eating and drinking

Which part of human brain is concerned with the regulation of body temperature?

• Medulla oblongata

• cerebellum

• cerebrum

• cerebrum

The kind of tissue that forms the supportive structure in our pinna (external ears) is also found in 

• vertebrae

• nails

• ear ossicles

• ear ossicles

Which one of the following is the correct difference between rod cells and cone cells of our retina? 

• Features	Rod cells	Cone cells
  Visual acuity	High	Low

• Features	Rod cells	Cone cells
  Visual Pigment contained	Iodeosin	Rhodopsin

• Features	Rod cells	Cone cells
  Overall function	Vision in poor light	Colour vision and detailed vision in bright light

• Features	Rod cells	Cone cells
  Overall function	Vision in poor light	Colour vision and detailed vision in bright light