Reproduction 2 Online Test

The development of sea star includes which of the following larval stages?
Dipleurula
Bipinnaria
Brachiolaria
All of the above
The eggs of Asterias are
Megalecithal
Microlecithal
Telolecithal
Centrolecithal
Gametes fuse to produce zygote during-
Syzygy
Gametogony
Syngamy
Sporogony
Syzygy is a phenomenon where-
Gametes form a cyst wall and never conjugate inside
Gametocyts fuse inside cyst will
Spores form cocoons
Gametocyte undergo mitosis
Sexual reproduction is by-
Sporogony
Gamontogamy
Budding
Encystment
Asexual reproduction during schizogony occurs in liver of man. It is a kind of-
Budding
Multiple fission
Binary fission
Fragmentation
Male ascaris can be distinguished by-
Presence of suckers
Elongated body
Tapering tail
Curved tail with pineal spicules
In uterus, zygotes develop into-
Hexacanths
Onchospheres
Cysticercus larva
Bladder worms
What is common amongst taenia, fasciola and planaria?
They all have a coelom
They all are flat
They are found in gut
They all are segmented
During development ascaris needs-
One intermediate host
Two intermediate hosts
Several intermediate hosts
No intermediate hosts
Last moulting of larva takes place in-
Liver of man
Heart of man
Intestine of man
Lungs of man
Period from the time of entry of sporozoites of plasmodium into blood and causing fever is known as-
Prepatent period
Incubation period
Instar
Latent period
In plasmodium gametocytes are formed by the trophozoites in the RBC of man. They do not develop fully in RBC because of-
Antibodies present in blood
Higher temp. of blood
Lower temp. of blood
None of the above
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Description:

Reproduction is the biological process where new individuals are produced.This is a fundamental process of life . The two main types of reproduction are : sexual and asexual. In asexualmethod of reproduction, an individual can reproduce without involving another individual of same species. Examples include division of a bacterial cell into two Asexual reproduction occcur from single-celled organisms to most plants

Discussion

pranal. jawale

good

4110 days 14 hours 39 minutes ago

Akshay Deshpande

This is really GOOD........... it would be AWESOME, if answers were provided, after the test

4140 days 18 hours 30 minutes ago

Dr. SUBROTO BISWAS
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