Human Reproduction MCQ Questions & Answers in Zoology

441. The concept that organizer is essential for embryonic development was given by

A J. Axelrod

B C. Landsteiner

C H. Spemann

D I. P. Pavlov

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442. The lytic enzyme present in semen is

A Ligase

B Esrogenase

C Androgenase

D Hyaluronidase

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443. Acrosome and it's membrane is called

A Nebenkern

B Galea capatis

C Germinal vasicle

D Menchate

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444. The difference between spermiogenesis and spermiation is

A In spermiogenesis spermatids are formed, while in spermiation spermatozoa are formed

B In spermiogenesis spermatozoa are formed, while in spermiation spermatids are formed

C In spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from sertoli cells into the cavity of seminiferous tubules

D In spermiogenesis spermatozoa from sertoli cells are released into the cavity of seminiferous tubules, while in spermiation spermatozoa are formed

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445. Extrusion of second polar body from egg nucleus occurs

A after entry of sperm before completion of fertilization

B after completion of fertilization

C before entry of sperm

D without any relation of sperm entry

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446. The human sperm was first discovered by

A Von Baer

B Leeuwnhock

C Robert hook

D Darwin

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447. Site of fertilization in mammal is

A Ovary

B Uterus

C Vagina

D Fallopian tube

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448. Rolling of blastomeres is blastocoel is called

A Epiboly

B Ingagination

C Delamination

D Involutin

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449. Polar body is produced durin the formation of

A Sperm

B Secondary ooctye

C Oogonium

D Spermatocytes

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450. Mesorchium is peritoneal covering of

A Ovary

B Tesits

C Kidney

D Liver

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441. The concept that organizer is essential for embryonic development was given by

442. The lytic enzyme present in semen is

443. Acrosome and it's membrane is called

444. The difference between spermiogenesis and spermiation is

445. Extrusion of second polar body from egg nucleus occurs

446. The human sperm was first discovered by

447. Site of fertilization in mammal is

448. Rolling of blastomeres is blastocoel is called

449. Polar body is produced durin the formation of

450. Mesorchium is peritoneal covering of

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