Practice free Neural Control and Coordination in Animals (Zoology) NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
On which side of the brain corpora quadrigemina is present?
The corpora quadrigemina are located on the dorsal (posterior) surface of the midbrain. They consist of four colliculi—two superior and two inferior—that are involved in visual and auditory reflexes, respectively.
What is the function of superior colliculi of mid brain?
The superior colliculi are part of the midbrain and are primarily involved in the control of visual reflexes. They help in the coordination of eye movements and the processing of visual stimuli.
spot the odd (in terms of type of reflex)
The secretion of saliva on seeing tasty food is a conditioned reflex, which is different from the other options listed. Antiperistalsis, peristalsis, and heart-beat are all examples of unconditioned reflexes, which occur naturally without prior learning.
Several examples of reflexes are given here, which of the given option indicates all correct examples of Conditioned reflex? Examples
Conditioned reflexes are learned responses to stimuli, often through repeated association. Prejudices (1), Dis-liking (4), and Habits (5) are all examples of such learned responses, making option 3 correct.
Permeability of which of the following increases during depolarization?
During depolarization, the permeability of Na+ (sodium ions) increases. This influx of sodium ions causes the inside of the neuron to become more positive, leading to depolarization.
Which of the following of are main divisions of autonomous nervous system?
The main divisions of the autonomic nervous system are the Sympathetic and Parasympathetic systems. These systems work together to regulate involuntary body functions such as heart rate, digestion, and respiratory rate.
Few statements about tympanic membrane are given here which of the following option shows all correct statement for it?
The malleus bone is one of the three ossicles in the middle ear and it directly attaches to the tympanic membrane (eardrum). This helps in transmitting sound vibrations from the air to the inner ear.
Which of the following option indicates correct chronology of middle ear ossicle (from Thympanum to internal ear)
The correct order of the middle ear ossicles from the tympanic membrane to the internal ear is: malleus, incus, and stapes. The malleus attaches to the tympanic membrane, the incus connects the malleus to the stapes, and the stapes fits into the oval window leading to the internal ear.
Which of the following is filled with perilymph?
The cochlea is a part of the inner ear, and the area around the cochlear duct (also known as the scala vestibuli and scala tympani) is filled with perilymph. Perilymph is a fluid that resembles extracellular fluid and is found within the bony labyrinth of the inner ear.
What is ciliary body?
The ciliary body is the thickened anterior part of the choroid. It contains the ciliary muscle and the ciliary processes, which help in the accommodation of the lens and the production of aqueous humor.
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