Stomach of human beings mainly digests

(a)

carbohydrates

(b)

proteins

(c)

fat

(d)

sucrose

To prevent the entry of food into the trachea, the opening is guarded by__________

(a)

epiglottis

(b)

glottis

(c)

hard palate

(d)

soft palate

Bile helps in the digestion of________

(a)

proteins

(b)

sugar

(c)

fats

(d)

carbohydrates

The structural and functional unit of the kidney is__________

(a)

villi

(b)

liver

(c)

nephron

(d)

ureter

The common passage meant for transporting urine and sperms in male is___________

(a)

ureter

(b)

urethra

(c)

vas deferens

(d)

scrotum

Lysozyme is seen in_______

(a)

gastric juice

(b)

intestinal juice

(c)

Bile

(d)

saliva

__________is the smallest gland

(a)

Pancreas

(b)

Sublingual

(c)

Parotid 

(d)

Submaxillary

Curdling of milk protein is done by___________

(a)

pepsin

(b)

rennin

(c)

lipase

(d)

maltase

The act of bringing swallowed food back to the mouth is called___________

(a)

egestion

(b)

ingestion

(c)

micturition

(d)

regurgitation

Gastric glands do not secrete__________

(a)

renin

(b)

pepsin

(c)

lipase

(d)

none of the above