Who was the person who first observed and draw sperm cells?
Darwin
Louis Pasteur
Robert koch
Anton van Leeuwenhoek
Among the following which one is a poikilothermic animal.
Fish
Frog
a and b
Man
Among the following which one is a Homeothermic animal.
Birds
a and c
During the time of delivery, the mother experience severe labour pain, Name the hormone responsible for it?
estrogen
progesteron
oxytoxin
glucocorticoid
Fishes live in fresh water and breed in the ocean, this migration is called as
Anadromous
Catadromous
Amphidromous
Bidromous
Among the following which one is an example of acoelomate
Earth worm
Round worm
Tape worm
Sponges are example of ______ phylum.
mollusca
annelida
porifera
protazoa
Which is the largest poisonous snake?
King cobra
Python
Black mamba
Viper
What is the action of the drug that derived form the extract of poison arrow frog?
Sedative
Antibiotic
Antiemitic
Analgesics
Male and female sex organs present in the same animal is called as
Triploblastic
Hermaphrodites
Tetraphrodites
Biphraphrodites
