The place where the fertilization of ova occurs in human is
(A). Fallopian tube
MCQ ANSWER: Fallopian tube
The eggs are ____ In human beings.
MCQ ANSWER: alecithal
_____ produce a chemical substance called Fertilizin.
(A). Polar bodies
(D). Middle piece of sperm
MCQ ANSWER: Mature eggs
Changing the hollow spherical blastula into a _____ is a morphogenetic movement.
(A). Embryonic disc
MCQ ANSWER: Gastrula
____ determine urn Genetic identity of a human male.
(B). Sex chromosomes
(C). Cell organelles
MCQ ANSWER: Sex chromosomes
Among the following, choose what kind of placenta is present in humans.
MCQ ANSWER: Haemochorial
The day on which Implanation of blastocyst takes place is.
(A). 7th day
(B). 8th day
(C). 9th day
(D). 10th day
MCQ ANSWER: 7th day
Choose from the following the cells secreting male sex hormone testosterone.
(A). Leydig’s cells
(B). Crypt cells
MCQ ANSWER: Leydig’s cells
_____ is called the central fluid filled cavity of the blastula.
MCQ ANSWER: blastocoel
____ is where Sertoli cells are present.
(B). Germinal epithelium
MCQ ANSWER: seminiferous tubules