Biology questions
20584 published questions with worked solutions.
- Which pair of systems jointly coordinate and integrate all the activities of the organs, so that they function in a synchronized...
- Myelinated nerve fibres are found in __A__ and __B__ nerves. Fill in the blanks (A and B) with correct options.
- On the basis of nature of nerve fibres, the nerve are
- In the resting stage of a neuron, concentration gradient generates due to
- For the maintenance of ionic gradients across the resting membrane, the sodium-potassium pump transports
- Synapses are of two types namely __A__ synapses and __B__ synapses. Here A and B refers to
- A nerve impulse is transmitted from one neuron to another through the junctions called
- Which of the following is correct regarding electrical synapses? 1. Pre and post-synaptic membrane neurons are in very close...
- Fill in the blanks (A-C) correctly to complete the given statements (I-III). 1. __A__ are the packing and supporting cells found...
- Which of the following is incorrect in case of chemical synapses? 1. The membranes of the pre and post-synaptic neurons are...
- Along with hypothalamus, limbic system is involved in the 1. Thermoregulation. 2. Regulation of sexual behavior. 3. Expression of...
- Hypothalamus controls 1. Urge for eating and drinking 2. Thermoregulation. 3. Hormones production that regulates the secretion of...
- The medulla contains centres which control
- Which part constitutes the major part of the brain?
- What is the location of hypothalamus?
- Sympathetic nervous system controls
- The nervous tissue forms the nervous system in animals. Which of the following is correct about its origin?
- Ependymal cells
- Given below the hormones present in human body. 1. Cortisone 2. Acetylcholine 3. Epinephrine The correct option regarding these...
- Synapse is the connection between