1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Menstrual flow occurs due to lack of :
A
Progesterone
B
FSH
C
Oxytocin
D
Vasopressin
2
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
The secretory phase in the human menstrual cycle is also called :
A
Follicular phase lasting for about 6 days
B
Luteal phase and lasts for about 13 days
C
Follicular phase and lasts for about 13 days
D
Luteal phase and lasts for about 6 days
3
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Identify the human developmental stage shown below as well as the related right place of its occurrence in a normal pregnant woman, and select the right option for the two, together. AIPMT 2012 Mains Biology - Human Reproduction Question 24 English
A
Developmental stage $$ \to $$ 8-celled morula, Site of occurrence $$ \to $$ Starting point of Fallopian tube
B
Developmental stage $$ \to $$ Blastula, Site of occurrence $$ \to $$ End part of Fallopian tube
C
Developmental stage $$ \to $$ 8-celled morula, Site of occurrence $$ \to $$ Starting point of Fallopian tube
D
Developmental stage $$ \to $$ Blastocyst, Site of occurrence $$ \to $$ Uterine wall
4
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements is false in respect of viability of mammalian sperm?
A
Viability of sperm is determined by its motility
B
Sperms must be concentrated in a thick suspension
C
Sperm is viable for only up to 24 hours
D
Survival of sperm depends on the pH of the medium and is more active in alkaline medium
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