TLS Online TPP Program

#Question id: 5786


A mutation causing an abnormality in presenilin that disrupts amyloid production or function has been associated with

#Unit 8. Inheritance Biology
  1. cystic fibrosis.

  2. Duchenne muscular dystrophy.

  3. Marfan syndrome.

  4. none of the above.

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TLS Online TPP Program

#Question id: 3423

#Unit 11. Evolution and Behavior

Following statement regarding divergent evolution?

A- Spreading of same species to different and isolated environments which blocks the gene flow among the distinct populations

B. vertebrate limb of whale and elephant is one example of divergent evolution

C- Both orthologous genes and paralogous genes can be said to display divergent evolution

D- Sympatric speciation leads to divergence of one species in to two are more descendant species

Which of the following combination of above statement are correct?

TLS Online TPP Program

#Question id: 10850

#Unit 10. Ecological Principles

A parasite that resides within its host is a(n)

TLS Online TPP Program

#Question id: 13147

#Unit 8. Inheritance Biology

A cross was made between pure Blue and long pollen length with white and short pollen length. The F1 were test crossed. The F2 progeny obtained was as follows:
The genetic distance (cM) between flower colour and pollen length is;

TLS Online TPP Program

#Question id: 10347

#Unit 6. System Physiology – Plant

NH4+ is toxic to plants, inhibit dinitrogenase and also interfere energy metabolism by dissociating ATP formation  from ETC  in both mitochondria and chloroplasts. What will plant cells do to avoid this problem?

a) Plant cells avoid ammonium toxicity by rapidly converting the ammonium generated from nitrate assimilation or photorespiration into nitrate

b) Plant cells avoid ammonium toxicity by rapidly converting the ammonium generated from nitrate assimilation or photorespiration into amino acids

c) The pathway for this conversion involves the sequential actions of glutamine synthetase (GS) and glutamate synthase (GOGAT)

d) The pathway for this conversion involves the sequential actions of Aspartate aminotransferase (Asp-AT) and Asparagine synthetase (AS)

Which of the above statements is incorrect?

TLS Online TPP Program

#Question id: 10375

#Unit 6. System Physiology – Plant

Where the first LysM receptor kinases were identified in,