In spermatogenesis, the phase of maturation involves
Growth of spermatogonia into primary spermatocycle
Formation of spermatogonia from gono cytes through mitosis
Formation of oogonia from the spermatocytes through meiosis
Formation of spermatids from primary spermatocycles through meiosis
Both corpus luteum and macula lutea is
Found in human ovaries
A source of hormones
Characterized by a yellow colour
Contributory in maintaining pregnancy
Meroblastic cleavage refers to which type of division of eggs?
Total
Spiral
Incomplete
Horizontal
Formation of primitive streak in the chick embryo is the first sign of
Neurilation
Notogenesis
Gastrulation
Blastulation
The hormones released by placenta during its formation are
FSH and LH
Testerone and progesterone
Relaxin and oestrogen
Chorionic gonadotropin, progesterone
Sperms are stored in earthworm after fertilization in
Testis
Kidney
Spermatheca
Seminal vesicle
Grey crescent is present in
Eye of frog
Brain of rabbit
Ratina of crokroach
Fertilized egg of frog
The most fundamental characteristic of living being is
Growth
Movement
Reproduction
Fragmentation
The period of pregnancy is referred as the
Gestation
Ovulation
Fertilization
Spermatization
Which of the following is the third cleavage of frog's development?
Vertical
Equatorial
Latitudinal
Diagonal