In the following question, select the odd number from

 _______are plants that have chromosome numbers which are not an exact multiple of the haploid number.

Which soil-forming factor is classified as "active"?

What are the building blocks of proteins?

Scientific name of grape is: 

Where is the Central Arid Zone Research Institute is located?

The most abundant minerals and mineral groups in sand and slit of soils throughout the world is:

Meiotic division takes place in: 

The Daughter cells produced after mitosis will have ___________ number of chromosomes as original cells.

The Inbreeding depression is most severe in:

Which among the following is considered a primary pollutant directly emitted into the atmosphere?