CNS was first developed in:
Correct answer: C. Chordates
- A. Cnidarians
- B. Platyhelminthes
- C. Chordates
- D. Mammals
Explanation
The central nervous system (CNS) was first developed in chordates. Cnidarians, platyhelminthes, and mammals do not have a CNS.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
Practise Coordination and Control
1,687 free Coordination and Control MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Coordination and Control questions
These are the structures that respond when they are stimulated by an impulse coming through motor neuron:
The spiny look of neurons is due to their:
Which of the following membrane potential depicts hyperpolarization?
Which of the following is not the part of the forebrain?
Our most unconscious behaviors are controlled by:
One that connects both cerebral hemispheres is called: