Vasa efferentia are the ductules leading from

• testicular lobules to rete testis

• rete testis to vas deferens

• vas deferens to epididymis

• vas deferens to epididymis

Seminal plasma in human males is rich in 

• fructose and calcium

• glucose and calcium

• DNA and testosterone

• DNA and testosterone

The signals for parturition originate from

• placenta only

• placenta as well as the fully developed foetus

• oxytocin released from the maternal pituitary

• oxytocin released from the maternal pituitary

34.

The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregnancy?

• Fourth month

• Fifth month

• Sixth month

• Sixth month

The second maturation division of the mammalian ovum occurs

• shortly after ovulation before the ovum makes entry into the fallopian tube

• until after the ovum has penetrated by a sperm

• until the nucleus of the sperm has fused with that of the ovum

• until the nucleus of the sperm has fused with that of the ovum

Which one of the following statements about human sperm is correct?

• Acrosome has a conical pointed structure used for piercing and penetrating the egg, resulting in fertilisation

• The sperm lysis in the acrosome dissolve the egg envelope facilitating fertilization

• Acrosome serves as a sensory structure leading the sperm towards the ovum

• Acrosome serves as a sensory structure leading the sperm towards the ovum

The part of fallopian tube closest to the ovary is 

• isthmus

• infundibulum

• cervix

• cervix

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

Secretions from which one of the following are rich in fructose, calcium and some enzymes?

• Male accessory glands

• Liver

• Pancreas

• Pancreas