List of top Biology Questions

A diagram showing axon terminal and synapse is given. Identify correctly at least two of A-D.
The diagram given here is the standard ECG of a normal person. The P- wave represents the :
Bundle sheath cells
Select the wrong statement :
In china rose the flowers are :
Which one of the following statements is correct ?
Which one of the following is an example of ex-situ conservation ?
Which one of the following is not a correct statements ?
Which is characteristic feature of plant cell
Infection of Ascaris usually occurs by
Secondary productivity is rate of formation of new organic matter by
Inflorescence is racemose in
Among bitter gourd, mustard, brinjal, pumpkin chinarose, lupin, cucumber, sunnhemp, gram, guava, bean, chilli, plum, petunia, tomato, rose, withania, potato, onion, aloe and tulip how many plants have hypogynous flower ?

Age of a tree can be estimated by:

Isogamous condition with non flagellated gametes is found in
How many plants among China rose, Ocimum, sunflower, mustard, Alstonia, guava, Calotropis and Nerium (oleander) have opposite phyllotaxy?
Which of the following criteria does not pertain to facilitated transport?
Interfascicular cambium develops from cells of
Transfer of genetic material from one bacterium to another through contact is
A healthy person eats the following diet-5 gm raw sugar,. 4 gm albumin, 10 gm pure buffalo ghee adultrated with 2 gm vegetable ghee (hydrogenated vegetable oil) and 5 gm lignin. How many calories he is likely to get?
Choose the right one which denotes genetic diversity.
Which of the following tissue is not a component of a complex tissues ?
The trachea terminates into
A stage of mitosis is shown in the diagram. Which stage is it and what are its characteristics?
A sagittal section of human brain is shown here. Identify at least two labels from A-D.