TLS Online TPP Program

#Question id: 2618


The three genes (lacZ, lacY, and lacA) are transcribed as a single mRNA from the promoter, these genes are expressed at high levels only when

#SCPH28 | Zoology
  1. Lactose is available

  2. Glucose, the preferred energy source is available

  3. Three regulatory proteins are involved.

  4. The Lac repressor is encoded by the lacI gene, which is located near the CAP Site.

More Questions
TLS Online TPP Program

#Question id: 10714

#SCPH28 | Zoology

What is value of Gini-simpson indices of following community? 


TLS Online TPP Program

#Question id: 10715

#SCPH06 I Botany

Following table shows the presence (+) or absence (-) of five species in three communities (A, B, C):


Based on the above, which of the following is the correct order of diversity strength communities?

TLS Online TPP Program

#Question id: 10715

#SCPH28 | Zoology

Following table shows the presence (+) or absence (-) of five species in three communities (A, B, C):


Based on the above, which of the following is the correct order of diversity strength communities?

TLS Online TPP Program

#Question id: 10716

#SCPH06 I Botany

The stability of a food web in a community is quantified using certain parameters which are defined below. Which of the following is an CORRECT representation?

A. Community with more complex is more stable

B. Community with more number of alternate is more stable

C. Stability of community is inversely proportional to Connectance 

D. Community with higher value of dominax index is more stable

TLS Online TPP Program

#Question id: 10716

#SCPH28 | Zoology

The stability of a food web in a community is quantified using certain parameters which are defined below. Which of the following is an CORRECT representation?

A. Community with more complex is more stable

B. Community with more number of alternate is more stable

C. Stability of community is inversely proportional to Connectance 

D. Community with higher value of dominax index is more stable

TLS Online TPP Program

#Question id: 10717

#SCPH06 I Botany

Following represents four different regions, each with four different sites on different-sized mountains. Which of the following statement is correct? 


a) In region ‘a’ gamma diversity (γ) is one, and alpha diversity (α) diversity is also 1

b) In region ‘b’ gamma diversity (γ) is 4, and alpha diversity (α) diversity is 1

c) In region ‘c’ gamma diversity (γ) is six, and beta diversity (β) diversity is 2

d) The gamma diversity (γ) are same in region ‘c’ and‘d’.