TLS Online TPP Program

#Question id: 3523


If the number of heterozygous pairs involved in a particular cross is three, the phenotype ratio obtained in their F2 generation will be-

#Unit 8. Inheritance Biology
  1. 9:3:3:1        

  2. 27:9:9:9:6:6:3:3:1

  3. 27:9:9:9:3:3:3:1      

  4. 1:2:1:2:4:2:1:2:1

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TLS Online TPP Program

#Question id: 29089

#Unit 10. Ecological Principles

Following table shows the number of individuals of different species in two communities, X and Y. Use simple matching index determine the degree of similarity between X and Y community?

TLS Online TPP Program

#Question id: 29090

#Unit 10. Ecological Principles

The figure above shows the distribution of 10 plant species that grow along a regular environmental gradient, such as depth of the water table in a river valley. All other environmental factors are similar. This figure demonstrates that

TLS Online TPP Program

#Question id: 29091

#Unit 10. Ecological Principles

Increased solar energy, together with an abundance of water, results in high productivity of plants is an characteristics of____

TLS Online TPP Program

#Question id: 29092

#Unit 10. Ecological Principles

Based on the intermediate disturbance hypothesis, a community’s species diversity is increased by

TLS Online TPP Program

#Question id: 29093

#Unit 10. Ecological Principles

Five Hypotheses Explain How Species Richness Affects Community Services
I-Elton’s hypothesis
II-rivet hypothesis
III-Redundancy hypothesis
IV-Keystone hypothesis
V-Idiosyncratic hypothesis
a) Species that play the same roles in a community can compensate for each other if some are lost under particular conditions
b) Community services change as the number of species increases or decreases
c) there is a linear correlation between species richness and community services
d) species is an organism that helps hold the system together
e)Some species play a small but critical role in keeping the plane
Correctly match the following hypothesis with their correct  prediction;

TLS Online TPP Program

#Question id: 29094

#Unit 8. Inheritance Biology

A cross was made between pure wild type flower with white color short pollen, F1 plant was allowed to test cross to produced numerous Offspring in following number;

What is approximate distance between Flower color gene and pollen length gene?