TLS Online TPP Program

#Question id: 4312


Among the newly discovered small noncoding RNAs, one type helps to reestablish ethylation patterns during gamete formation and blocks expression of some transposons. Which of the following types of RNA is responsible for this function?

#Unit 3. Fundamental Processes
  1. miRNA

  2. piRNA

  3. lncRNA

  4. siRNA

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TLS Online TPP Program

#Question id: 10710

#Unit 10. Ecological Principles

Researcher study the diversity of 3 communities, 4 species was recorded from all community. Presence (+) and absence (-) of species are given 


What is similarity coefficient between A & B, B & C, and A & C RESPECTIVELY?

TLS Online TPP Program

#Question id: 10711

#Unit 10. Ecological Principles

Following table shows the number of individuals of five tree species in a community

 Tree Species No. of Individuals
 A 50
 B 20
 C 20
 D 10

Based on the above, the Simpson’s index and Shannon weaver of the community will be respectively?

TLS Online TPP Program

#Question id: 10712

#Unit 10. Ecological Principles

Researcher study the diversity of 4 communities, following is relative abundance of each species at different community? ( ln .5 = -0.69  , ln .25= -1.38, ln .12= -2.12)

 Species Community A Community B Community C Community D 
 A 10 10 20 35
 B 10 10 00 05
 C 10 10 20 00
 D 00 10 00 00

Which of the following is decreasing order of their Shannon weaver diversity index of community?

TLS Online TPP Program

#Question id: 10713

#Unit 10. Ecological Principles

Following is sampling data of five species in five quadrate is represent. Which of the following is a correct order of decreasing abundance?

TLS Online TPP Program

#Question id: 10714

#Unit 10. Ecological Principles

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

 Species identity Number of individuals 
 P 140
 Q 50
 R 2
 S 2
 T 2
 U 2
 W 2

TLS Online TPP Program

#Question id: 10715

#Unit 10. Ecological Principles

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

 Species Community A Community B Community C 
 1 10 0 0
 2 09 20 30
 3 11 18 50
 4 10 22 0
 5 10 20 10

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