511. In 28 day human ovarian cycle, ovulation occurs on

A Day 1
B Day 5
C Day 14
D Day 28
Answer :   Day 14
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512. Luteal phase is the other name of

A Follicular phase
B Proliferative phase
C Menstrual flow phase
D Secretory phase
Answer :   Secretory phase
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513. Pseudopregnancy is due to

A Polyembryoy
B Absence of fertilisation after ovulation
C Harmonal disturbance
D All of the above
Answer :   Harmonal disturbance
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514. Sperms produce an enzymatic substance for dissolving egg coverings. It is called

A Hylauronic acid
B Hyaluronidase
C Androgamone
D Diastase
Answer :   Hyaluronidase
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515. Sustentacular cells are found in

A Testis of mammal
B Ovary of mammal
C Testis of Ascaris
D Pancreas of frog
Answer :   Testis of mammal
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516. In a normal pregnant woman, the amount of total gonadotropin activity was assessed. The result expected was

A High level of circulating FSH and LH in the uterus to stimulate implantation of the embyro
B High level of circulating HCG to stimulate endometrial thickening
C High level of FSH and LH in uterus to stimulate endometrical thickening
D High level of circulating HCG to stimulate estrogen and progesterone synthesis
Answer :   High level of circulating HCG to stimulate estrogen and progesterone synthesis
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517. Immediately after ovulation, the mammalian egg is covered by a membrane called

A Chorion
B Zona pellucida
C Corona raidata
D B and C both
Answer :   B and C both
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518. Liver and pancreas of frog and rabbit re derived from

A Ectoderm
B Mesentery
C Endoderm
D Both A and C
Answer :   Endoderm
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519. The testes in humans are situated outside the abdominal cavity insides pouch called scrotum. The purpose served is for

A maintaining the scrotal temperature lower than the internal body temperature
B escaping any possible compression by the visceral organs
C providing more space for the growth of epididymis
D providing a secondary sexual feature for exhibiting the male sex
Answer :   maintaining the scrotal temperature lower than the internal body temperature
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