Erythropoiesis starts in
kidney
liver
spleen
spleen
C.
spleen
The process of formation of erythrocytes is erythropoiesis, which is part of haemopoiesis (formation of blood).
The production of blood during different stages is as follows:
During few early weeks of embryonic life-yolk sac.
Some later stages (After 3-4 months) - liver (mainly) along with spleen and lymph nodes.
Later part of gestation and after birth (After 7 months) - red bone marrow (till 5 yrs)
Bone marrow of long bones (20-25 yrs).
Membranous bones like vertebrae, etc.
The terga, sterna and pleura of cockroach body are joined by
cementing glue
muscular tissue
arthrodial membrane
arthrodial membrane
The hilum is a scar on the
seed, where funicle was attached
fruit, where it was attached to pedicel
fruit, where style was present
fruit, where style was present
The movement of a gene from one linkage group to another is called
inversion
duplication
translocation
translocation
Which of the following animals is not viviparous?
Flying fox(bat)
Elephant
Platypus
Platypus
Nuclear envelope is derivative of
smooth endoplasmic reticulum
membrane of Golgi complex
microtubules
microtubules
How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments?
Five
Six
Eight
Eight
Which of the following endoparasites of humans does show viviparity?
Ancylostoma duodenale
Enterobius vermicularis
Trichinella spiralis
Trichinella spiralis
Which of the following characteristics is mainly responsible for diversification of insects on land?
Segmentation
Bilateral symmetry
Exoskeleton
Exoskeleton
