Sensory physiology and Developmental biology

Progesterone is a

• Peptide hormone

• Protein hormone

• Lipid hormone

• steroid hormone

Which type of eggs found in insects

• Homolecithal

• Telolecithal

• Centerolecithal

• Isolecithal

Identical twins results from

• One egg and one sperm

• One egg and two sperms

• Two eggs and one sperm

• Two eggs and Two sperms

Blastopore is

• Opening of morula

• Opening of blastula

• Opening of gastrula

• Opening of nerula

Release of milk and contraction of the uterus are caused by

• Prolactin

• Oxytocin

• Relaxin

• Progesterone

During cleavage nucleocytoplasmic ratio

• Increases

• Decreases

• Remains same

• First increases and then decreases

How many sperms are produced from one primary spermatocyte?

• Eight

• Six

• Four

• Two

Abnormal cessation of menses is called

• Menopause

• Amenorrhoea

• Dysmenorrhea

• Menarche

Which is derived from ectoderm

• Epidermis

• Spinal cord

• Retina

• All the above

Sperm capacitation takes place in the

• Epididymis

• Rete testis

• Female genital tract

• Seminal vesicle