Find the wrong number in given number series.

Black tip of mango is caused due to ______

Which of the following statement is correct about cartilage?

Lagenaria siceraria is the scientific name of: 

Suitable season for planting of root cutting:

Recently which app is launched by Ministry of Textiles to provide important information about MSP and agronomy to jute farmers?  

Chemical formula of single superphosphate is:

A powerful chemical released when an allergen enters the body causing symptoms of allergy:

The presence of Escherichia coli in water in high amount is a strong indication of

Which of the following does not represent the use of rice husk?

In order to measure the diameter at breast height is used.