Practice Questions

TLS Online TPP Program

#Question id: 10344

Some of the following caracteristics of Nitrite reductase, which one of the is incorrect?

#SCPH06 I Botany

Nitrite is converted into ammonium by NADPH dependent nitrite reductase
It contain two prosthetic groups: an iron–sulfur cluster (Fe₄S₄) and a specialized heme.
Nitrite (NO2 – ) is a highly reactive, potentially toxic ion immediately transport from the cytosol into chloroplasts in leaves and plastids in roots
Leaf chloroplasts and root plastids contain same type of the nitrite reductase

More Questions

TLS Online TPP Program

#Question id: 10718

#SCPH28 | Zoology

A researcher collects data on plant species composition in two habitats (P and Q) by using 10 quadrats each in both habitats. She calculates the average a-diversity and the 13-diversity of each habitat from this data (shown below). Which of the following can be inferred about these habitats?

A) Q has greater total diversity (γ) and more heterogeneous than P

B) Q has lower total diversity (γ) and less heterogeneous than P

C) P has lower total diversity (γ) and more heterogeneous than Q

D) P has greater total diversity (γ) and more heterogeneous than Q

TLS Online TPP Program

#Question id: 10719

#SCPH06 I Botany

Five Hypotheses Explain How Species Richness Affects Community Services, Following statement are given

A) Community services decline with decreased species richness in a stepwise fashion.

B) Species that play the same roles in a community can compensate for each other if some are lost under particular conditions

C) Species richness declines even slightly from its natural levels, community services are reduced immediately

D) Community services change as the number of species increases or decreases, but that the direction of change is not predictable.