TLS Online TPP Program

#Question id: 5692


Aneuploids can be produced several ways except

#Unit 8. Inheritance Biology
  1. chromosome may be lost in the course of mitosis or meiosis

  2. small chromosome generated by a Robertsonian translocation may be lost in mitosis or meiosis,

  3. may arise through nondisjunction, the failure of   homologous chromosomes or sister chromatids to separate in meiosis or mitosis

  4. inversion of chromosomal segment including centromere

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TLS Online TPP Program

#Question id: 26976

#Unit 10. Ecological Principles

Those individuals reproduce once only and die are the type of organisms____

TLS Online TPP Program

#Question id: 26977

#Unit 10. Ecological Principles

Individuals reproduce repeatedly and at any time of the year, that type of organisms are____

TLS Online TPP Program

#Question id: 26978

#Unit 10. Ecological Principles

If the organism have survival of juveniles and adult is poor, selection pressure favors in these organisms

TLS Online TPP Program

#Question id: 26979

#Unit 10. Ecological Principles

If the organism have survival of juveniles and adult is poor, selection pressure favors in these organisms

TLS Online TPP Program

#Question id: 26980

#Unit 10. Ecological Principles

Which of the following statements about the selection pressure is incorrect?

a.If survival of juveniles and adult is poor then selection favours a single act of reproduction

b.If survival of juveniles and adult is poor and unpredictable then selection favours repeated reproduction and long reproductive life

c.If the environment is stable then selection favours a single act of reproduction.

d.If survival of juveniles is very poor and unpredictable but adult are more likely to survive then selection favours repeated reproduction and long reproductive life

e.If survival of adult is unpredictable but juveniles are more likely to survive then selection favours a single act of reproduction

TLS Online TPP Program

#Question id: 26981

#Unit 10. Ecological Principles

Life history features of r-selected species is