What is the correct sequence of thickness of muscles layers in the stomach of human beings
Circular➔Oblique➔Longitudinal
Oblique➔Longituinal➔Circular
Longitudinal➔ Circular➔ Oblique
None of the above
The typhlosole in earthworm is related with
excretion
absorption
respiration
reproduction
B.
absorption
A typhlosole is an internal fold of the intestine or intestine inner wall. Typhlosoles occur in bivalve mollusks, lampreys and some annelids and echinoderms.
It is a highly glandular, vascular longitudinal ridge increasing the area for absorption of digested food.
A force which acts against the achievement of highest possible level to population growth is known as
population pressure
saturation level
carrying capacity
environmental resistance
Latest trend in plant disease control is
chemical control
biological control
good manure and fertilizer
breeding for disease resistance
Which animal has gone extinct in recent times in India
Acinonyx jubatus
Antilope cervicapra
Rhinocerus unicornis
Panthera leo
What is true about cleavage in the fertilized egg in humans
It is meroblastic
It starts while the egg is in fallopian tube
It is identical to normal mitosis
It starts when the egg reaches in uterus