Secretions from which one of the following are rich in fructose, calcium and some enzymes?
Male accessory glands
Liver
Pancreas
Pancreas
A.
Male accessory glands
Seminal Plasma is the fluid in which the sperms are bathed. It contains secretions from male accessory glands (ie, seminal vesicles, prostate gland, and bulbourethral glands).
Seminal fluid contains fructose, citrate, inositol, prostaglandins and several proteins. Prostate secretes a thin, milky fluid that contains calcium, citrate ions, phosphate ions, a clotting enzyme and a profibrinolysin.
Which one of the following correctly describes the location of some body parts in the earthworm Pheretima?
Two pairs of accessory glands in 16-18 segments
Four pairs of spermathecae in 4-7 segments
One pair of ovaries attached at intersegmental septum of 14th and 15th segments
One pair of ovaries attached at intersegmental septum of 14th and 15th segments
Which one of the following is the most likely reason of not occurring regular menstruation cycle in females?
Fertilisation of the ovum
maintenance of the hypertrophical endometrial lining
Maintenance of high concentration of sex hormones in the blood stream
Maintenance of high concentration of sex hormones in the blood stream
Signal from fully developed foetus and placental ultimately lead to parturition which requires the release of
oestrogen fro placenta
oxytocin from maternal pituitary
oxytocin from foetal pituitary
oxytocin from foetal pituitary
In human female, the blastocyst
forms placenta even before implantation
gets implanted into uterus three days after ovulation
gets nutrition from uterine endometrail secreation only after implantation
gets nutrition from uterine endometrail secreation only after implantation
