List of top Biology Questions

tRNA binds to mRNA through
Chaperones' function is
Identify the diagram of heterocyst.
Chl b differs from chl a by
What can be same in a mango/Mangiferaindica cell and human/Homo sapiens cells
Which of the following is similar in DNA of elephant and mango tree
Which of the following is not a micronutrient?
Eutrophication is caused due to
Synaptonemal Complex is formed
Some organisms are poisonous or colored (red or black) in order to protect themselves from predator is called as
Inhibitory effect of O2 on photosynthesis is
Cell placed in hypertonic solution is shown by
Vernalisation is
Bicarpellary ovary with obliquely placed septum is seen in :-
Which one of the following statements regarding post-fertilization development in flowering plants is incorrect ?
The given figure shows transport of two molecules $A$ and $B$ through three different modes of facilitated diffusion. Select the correct option regarding it.
Respiratory Quotient (RQ) value of tripalmitin is -
In the dicot root the vascular cambium originates from :-
Following table summarises the comparisons between phyllodades and cladodes (cladophylls). Pick up the wrong differences and select the correct option,
Which of the following ecological pyramids is generally inverted ?
What type of pollination takes place in Vallisneria?
In pteridophytes, main plant body is a , which is into true roots, stem and leaves. Fill the blanks in above statement and select the correct option.
How does steroid hormone influence the cellular activities?
A selectable marker is used to:
Crossing over takes place between which chromatids and in which stage of the cell cycle ?