Excretion in cockroach takes place by
nephridium
parotid gland
coxal glands
malpighian tubules
D.
malpighian tubules
In cockroach, excretion is mainly performed by one or two pairs of malpighian tubules. One of this pair opens into the middle region of intestine and other pair of coxal glands are located in prosoma and opens at bases of fifth walking legs.
Which of the following teeth are lophodont?
Incisor and canine
Canine and premolar
Premolar and molar
Premolar and incisor
A chromosome carrying the centromere at one of the ends is called
acentric
submetacentric
telocentric
metacentric
Ambulacral grooves are absent in the living forms of the Class
Crinoidea
Asteroidea
Ophiuroidea
Echinodermata
Which of the following digestive juices has the minimum pH value?
Bile
Gastric juice
Saliva
Pancreatic juice
Glycolysis is found in cytoplasm of virtually all types of aerobic/ anaerobic cells. In this process glucose is converted into
PEP
acetyl CoA
pyruvic acid
citric acid
The photorespiratory carbon-oxidation cycle involves the interaction of
chloroplast
mitochondria
peroxisomes
all of these
Which of the following is related to glycosylation of protein?
Lysosome
Mitochondrium
Peroxisome
Rough endoplasmic reticulum
The ganglia of sympathetic and the central nervous system in frog develops from the
neural cell
neural plate cells
notochordal cells
neural crest cells
