Mass of living matter at a trophic level in an area at any time is called. 

• Detritus

• Humus

• Standing state

• Standing state

A collection of plants and seeds having diverse alleles of all the genes of a crop is called

• germplasm

• gene library

• genome

• genome

Which one of the following pairs is wrongly matched while the remaining three are correct?

• Penicillium - Conidia

• Water hyacinth - Runner

• Bryophyllum - Leat buds

• Bryophyllum - Leat buds

Which one of the following shows maximum genetic diversity in India? 

• Rice 

• Maize

• Mango

• Mango

Biodiversity of a geographical region represents

• endangered species found in the region

• the diversity in the organism living in the region

• genetic diversity present in the dominant species of the region

• genetic diversity present in the dominant species of the region