List of top Biology Questions

Which of the following is the correct sequence of events in the origin of life ? I. Formation of protobionts II. Synthesis of organic monomers III. Synthesis of organic polymers IV. Formation of DNA-based genetic systems

Which of the following most appropriately describes haemophilia ?

Which of the following National Parks is home to the famous musk deer or hangul ?

Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other ?

Which one of the following characteristics is not shared by birds and mammals?

Which one of the following is a characteristic feature of cropland ecosystem ?

Which one of the following is wrong for fungi ?

Which one of the following statements is wrong ?

You are given a tissue with its potential for differentiation in an artificial culture. Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots ?

Which of the following depicts the correct pathway of transport of sperms ?

Which of the following biomolecules is common to respiration-mediated breakdown of fats, carbohydrates and proteins ?

Which is essential for the growth of root tip ?

When does the growth rate of a population following the logistic model equal zero? The logistic model is given as dN/dt = rN(1-N/K) :

A process that makes important difference between $C_3$ and $C_4$ plants is

The primary producers of the deep-sea hydrothermal vent ecosystem are

The part of nephron involved in active reabsorption of sodium is

The ovule of an angiosperm is technically equivalent to -

The label of a herbarium sheet does not carry information on -

The chronological order of human evolution from early to the recent is

Spindle fibres attach on to

Specialised epidermal cells surrounding the guard cells are called -

Smooth muscles are

Radial symmetry is found in the flowers of -

Proximal end of the filament of stamen is attached to the :