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

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

Which one of the following is an example of ex- situ conservation?

• Wildlife sanctuary

• Seed bank

• Sacred groves

• Sacred groves

Which one of the following is one of the cahracteristics of a biological community?

• Stratification

• Natality

• Mortality 

• Mortality 

27.

Tiger is not a resident, in which one of the following national park?

• Ranthambhor

• Sunderbans

• Gir

• Gir

Which of the following plant species would you select for the production of bioethanol?

• Brassica

• Zea mays

• Pongamia

• Pongamia

Which one of the following has maximum genetic diversity in india?

• Teak

• Mango

• Wheat

• Wheat

Which one of the following is not observed in biodiversity hot spots? 

• Endemism

• Accelerated species loss

• Lesser interspecific competition

• Lesser interspecific competition