Biology Mcqs

Insulin and glucagons are __________ in nature.

(A) Protein

(B) Amino acid derivative

(C) Polypeptide

(D) Steroid

Submitted By: Ali Uppal


Acromegaly is caused due to oversecretion of____________?

(A) STH

(B) TSH

(C) ACTH

(D) Thyroxin

Submitted By: Ali Uppal


At the induction of action potential opening of Na+ gate with influx of Na+ is a ___________ processes?

(A) Active transport

(B) Passive transport

(C) Diffusion

(D) none of these

Submitted By: Ali Uppal


MSH is produced from___________?

(A) Anterior pituitary

(B) Median pituitary

(C) Posterior pituitary

(D) None of these

Submitted By: Ali Uppal


Grave’s disease is produced due to____________?

(A) Undersecretion of thyroxin

(B) Overproduction of thyroxin

(C) Undersecretion of corticosteroids

(D) Overproduction of corticosteroids

Submitted By: Ali Uppal


Which of the following transmits nerve impulse from receptors to central nervous system?

(A) Sensory neuron

(B) Motor neuron

(C) Associative neuron

(D) none of thes

Submitted By: Ali Uppal


Which of the followings is missing from the nervous system of planaria_____________?

(A) Ganglia

(B) Longitudinal nerves

(C) Lateral nerves

(D) none of these

Submitted By: Ali Uppal


Co-ordination in man is brought about by___________?

(A) Nervous system

(B) Endocrine system

(C) Both of these

(D) none of thes

Submitted By: Ali Uppal


Hydra has___________?

(A) Brain

(B) Nerves

(C) Neuron-cells

(D) All of these

Submitted By: Ali Uppal


Which of the followings are effectors______________?

(A) Muscles

(B) Glands

(C) Sensory organs

(D) Both ‘a’ & ‘b’

Submitted By: Ali Uppal