STD 11 - 15. Body fluids and criculations — NEET STD 11 Science — Question

Which statement is not correct for drugs abuse ?
(i) Opioid receptors present in our central nervous system and gastro-intestinal tract.
(ii) Cannabinoid receptors present principally in the brain.
(iii) Coca alkaloid has a potent stimulating action on central nervous system.
(iv) Coca alkaloid interferes with the transport of the neuro-transmitter dopamine.
(v) Heroin is a depressant and slows down body functions.
(vi) Morphine is a very effective sedative and painkiller, and is very useful in patients who have undergone surgery.
(vii) Cocaine produces a sense of euphoria and increased energy.

All vertebrates are chordates but all chordates are not vertebrates, why?

First mammals appeared around

Which hormone stimulates the secretion of milk during sucking of milk by baby

Glucagon hormone is secreted by

An animal having pentadactyl limbs without claws belongs to the class

The presence of glucose and ketone bodies in urine are indicative of

Toddy drinks is made by fermentation from

Select the incorrect option for compound epithelium?