List of top Biology Questions

The organization which publishes the Red List of species is:
Archaebacteria differ from eubacteria in:
Which one of the following fungi contains hallucinogens?
Dr. F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly cut coleoptile stumps. What significance is this experiment of?
Select the option which is not correct with respect to enzyme action:
The enzyme recombinase is required at which stage of meiosis?
During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C?
An alga which can be employed as food for human being is :
An analysis of chromosomal DNA using the southern hybridisation technique does not use:
Which one of the following is wrong about Chara?
Choose the correctly matched pair:
Which one of the following growth regulators is known as ‘stress hormone’?
Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule?
Select the correct matching of the type of the joint with the example in human skeletal system:
Deficiency symptoms of nitrogen and potassium are visible first in:
Identify the hormone with its correct matching of source and function:
Fight-or-flight reactions cause activation of:
A few normal seedlings of tomato were kept in a dark room. After a few days they were found to have become white-coloured like albinos. Which of the following terms will you use to describe them?
The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as:
A human female with Turner's syndrome:
An example of edible underground stem is:
An aggregate fruit is one which develops from:
Which one of the following statements is correct?
Non-albuminous seed is produced in:
Viruses have :