1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
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 from Sertoli cells are released into the cavity of seminiferous tubules, while in spermiation spermatozoa are formed
D
in spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from Sertoli cells into the cavity of seminiferous tubules
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Winged pollen grains are present in
A
Mustard
B
Cycas
C
Mango
D
Pinus
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Double fertilization is
A
fusion of two male gametes of a pollen tube with two different eggs
B
fusion of one male gamete with two polar nuclei
C
fusion of two male gametes with one egg
D
syngamy and triple fusion
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Hormones secreted by the placenta to maintain pregnancy are
A
hCG, hPL, progestogens, prolactin
B
hCG, hPL, estrogens, relaxin, oxytocin
C
hCG, hPL, progestogens, estrogens
D
hCG, progestogens, estrogens, glucocorticoids
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12