List of top Biology Questions

What vitamin is produced using Erenothecium ashbyi?
Human skin colour is an example of
______ is a middle layer of adrenal cortex.
Pyruvate dehydrogenase activity during aerobic respiration requires
Sequence from fertilization to Gestation.
How many ATP are used in glycolysis?
The presence of large odour and dull flowers are seen in which type of pollination?
The incubation period in syphilis is normally:
If a girl's menstrual cycle begins at the age of 13, how many menstrual cycles will she have completed by the time she reaches 28 years old?
Most abundant glial cells of CNS are?

Match the following:

Animal Excretory Organs
\(\text{Earthworm}\)\(\text{Green gland}\)
\(\text{Crustaceans}\)\(\text{Metanephridia}\)
\(\text{Insects}\)\(\text{Tube feet}\)
\(\text{Echinoderms}\)\(\text{Malpighian tubules}\)

 

A new breed of sheep developed from the crossing of Bikaneri is _______ .
Nonliving pairs of colloid aggregation of lipids are _______ and proteinoids are respectively.
Exudation of xylem sap at the cut ends of the stem is due to pressure.
During DNA replication, the breaking of hydrogen bonds between two parental strands and their unwinding is catalyzed by _______ enzymes.
Which of the following cases decreases blood pressure?
Two pollen grains consist of:
Select the correct statements:
1) The air sac of each tertiary bronchi shows 10 to 12 alveoli.
2) Each alveolus is surrounded by a network of capillaries.
3) They are lined by ciliated pseudostratified epithelium.
4) They provide surface area for the exchange of gases.
5) There are about 700 million alveoli.
Which pair of glands are dual in origin:
Crystalline structure, sweet taste, and water solubility are characteristic features of _______?
After four successive mitotic divisions of cell arithmetic growth pattern the total number of cells that have lost the ability of cell division is/are:
The cells that usually store fats in animals' bodies are:
Humification results in the formation of substance called humus.
Out of 95% of sulfur water lost by plants in the atmosphere through aerial parts, the water lost in liquid form constituents is:
Which process is involved in replication of cells?