List of top Biology Questions

All vertebrates are chordates but all chordates are not vertebrates, why ?

The ovary is half inferior in:

The number of substrate level phosphorylations in one turn of citric acid cycle is :

Embryological support for evolution was disapproved by

First discovered restriction endonuclease that always cuts DNA molecule at a particular point by recognising a specific sequence of six base pairs is:

Strobili or cones are found in :

The oxygenation activity of RuBisCo enzyme in photorespiration leads to the formation of

The process responsible for facilitating loss of water in liquid form from the tip of grass blades at night and in early morning is

By which method was a new breed 'Hisardale' of sheep formed by using Bikaneri ewes and Marino rams ?

Spooling is :-

Choose the correct pair from the following

Which of the following statements is incorrect about gymnosperms ?

The plant parts which consist of two generations - one within the other: 
(a) Pollen grains inside the anther 
(b) Germinated pollen grain with two male gametes 
(c) Seed inside the fruit 
(d) Embryo sac inside the ovule

According to Robert May, the global species diversity is about:

The proteolytic enzyme rennin is found in :

In water hyacinth and water lily, pollination takes place by:

Ray florets have:

Floridean starch has structure similar to:

Which of the following pairs is of unicellular algae ?

If the head of cockroach is removed, It may live for few days because:

Identify the correct statement with regard to \(G_1\) phase (Gap 1)of interphase.

Identify the wrong statement with reference to transport of oxygen

Match the organism with its use in biotechnology:

Match the following diseases with the causative organism and select the correct option

Column I		Column II
a	Typhoid	i	Wuchereria
b	Pneumonia	ii	Plasmodium
c	Filariasis	iii	Salmonella
d	Malaria	iv	Haemophilus

Goblet cells of alimentary canal are modified from