List of top Biology Questions

Rouleaux Formation is related to which of the cell/tissue:
What is the role of $NAD^+$ in cellular respiration ?
Double fertilization is
Which of the following has proved helpful in preserving pollen as fossils ?
Oxygen is not produced during photosynthesis by
Which one is wrongly matched ?
Which of the following elements is responsible for maintaining turgor in cells
Molecular formula of chl.b is
Few cnidarians like corals have a skeleton composed of
How many molecules of pyruvic acid are formed in glycolysis
The given diagrams show stomatal apparatus in dicots and monocots. Which one is correct option for A, B and C?
The given diagrams show stomatal apparatus in dicots and monocots
Which one of the following statements is correct?
Stomata in angiosperms open and close due to
Match the epithtial tissues given in column-I with its location given in column-II and choose the correct option:
Column I
(Epithelial tissues)		Column II
(Location)
A.CuboidalI.Epidermis of skin
B.Ciliated II.Inner lining of blood vessels
C.ColumnarIII.Inner surface of gall bladder
D.SquamousIV.Inner lining of fallopian tube
E.KeratinizedV.Lining of pancreatic duct squamous
Linker-DNA is attached to
Which is present at 5' end of eukaryotic m-RNA
ATCCAG DNA form which mRNA
Gene transfer is present in:
Pollen kitt is present in
What is acrosomal reaction?
Loss of water from body occurs by all of the following except
Omega 3 fatty acid is present in?
Which is correct for low glycemic index of food except:
Which is used in tissue culture?
Which is incorrect for non-disjunction