TLS Online TPP Program

#Question id: 4758


The allele l in human population is recessive lethal and x chromosome linked. If a female is heterozygous for l allele marries with normal male. What will be interpretation correct?

#Unit 8. Inheritance Biology
  1. Non of daughter carry l allele        

  2. all sons are not survive

  3. Half of the daughters are survive                     

  4. half of the sons are survive

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TLS Online TPP Program

#Question id: 9582

#Unit 6. System Physiology – Plant

Electrons ejected from chlorophyll travel through a series of electron carriers organized in the “Z Scheme” shows a current version of the Z scheme, in which all the electron carriers known to function in electron flow from H2O to NADP Presented in the following sequence;

a.) P680 reduce by Yz has received electrons from oxidation of water P680→P680*→pheophytinplastoquinones→ cytochrome b6 f complex→ plastocyanin→ in turn reduces (PSI) P700+

b.) P700+→ P700*→ membrane-bound iron–sulfur proteins → A0→ A1 → flavoprotein ferredoxin–NADP reductase (FNR) soluble → ferredoxin(Fd) → NADP+ to NADPH

c.) P700+→ P700*→ A0→ A1→ membrane-bound iron–sulfur proteins→ ferredoxin(Fd)→ soluble flavoprotein ferredoxin–NADP reductase (FNR)→ NADP+ to NADPH

d.) P680 reduce by Yz has received electrons from oxidation of water P680→P680*→ plastoquinonespheophytin → cytochrome b6 f complex→ plastocyanin→ in turn reduces (PSI) P700+

Which one of the following combinations is correct?

TLS Online TPP Program

#Question id: 9228

#Unit 9. Diversity of Life Forms

Use the following figure to answer the question


Looking at the figure showing the results of forest fragmentation, what can be said about edge effects?

TLS Online TPP Program

#Question id: 4579

#Unit 11. Evolution and Behavior

About which of these did Darwin have a poor understanding?

TLS Online TPP Program

#Question id: 1008

#Unit 1. Molecules and their Interaction Relevant to Biology

Which is the correct order for the synthesis of dTMP?

TLS Online TPP Program

#Question id: 5255

#Unit 8. Inheritance Biology

Which of the following is a structure that permits conjugation to occur?