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प्रश्न
Examine the diagram of the two cell types A and B given below and select the correct option.
विकल्प
Cell-A is the rod cell found evenly all over retina
Cell-A is the cone cell more concentrated in the fovea centralis
Cell-B is concerned with colour vision in bright light
Cell-A is sensitive to bright light intensities
उत्तर
Cell-B is concerned with colour vision in bright light
संबंधित प्रश्न
Briefly describe the structure of the Brain.
Briefly describe the Given structure - Eye
Briefly describe the Given structure - Ear
Compare the following:
Central neural system (CNS) and Peripheral neural system (PNS)
Explain the following process:
Polarisation of the membrane of a nerve fibre
Explain the following processes:
Conduction of a nerve impulse along a nerve fibre
Write short note on the following:
Neural coordination
The respiratory centre is present in the ______.
The abundant intracellular cation is ______.
Several statements are given here in reference to cone cells which of the following option indicates all correct statements for cone cells?
Statements
- Cone cells are less sensitive in bright light than Rod cells
- They are responsible for colour vision
- Erythropsin is a photo pigment which is sensitive to red colour light
- They are present in fovea of retina
Which of the following statement concerning the somatic division of the peripheral neural system is incorrect?
Pleasant smell of food urged Ravi to rush into the kitchen. Name the parts of the brain involved in the identification of food and emotional responses to odour.
The choroid plexus secretes cerebrospinal fluid. List the function of it.
What is ANS? Explain the components of ANS.
The function of our visceral organs is controlled by ______.
The major parts of the human neural system is depicted below. Fill in the empty boxes with appropriate words.
Neural system and computers share certain common features. Comment in five lines. (Hint: CPU, input-output devices).
If someone receives a blow on the back of neck, what would be the effect on the person’s CNS?
