TLS Online TPP Program

#Question id: 5135


In xenopus, result of tissue transplantation during early and late gastrulae

(A) Cells of early newt gastrula exhibit conditional development.

(B) Cells of early newt gastrula exhibit autonomous development

(C) Cells of late newt gastrula exhibit conditional development.

(D) Cells of late gastrula exhibit autonomous development.

The correct inferences are:

#Unit 5. Developmental Biology
  1. A and D  

  2. B and C

  3. A and C 

  4. B and D

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TLS Online TPP Program

#Question id: 24582

#Unit 3. Fundamental Processes

If the mismatch is near 3’ then which of the following will degrade strands of DNA in the 5’ → 3’ direction only

TLS Online TPP Program

#Question id: 29471

#Unit 6. System Physiology – Plant

Strigolactone promote symbiotic interactions with arbuscular mycorrhizal fungi, facilitating  the uptake of ion from soil is

TLS Online TPP Program

#Question id: 10490

#Unit 6. System Physiology – Plant

Which of the following is a correct Match of the stomatal opening and closing mechanism;

               COLUMN A                                                                    COLUMN B

 

P- Opening of Stomata                        i) Chloride anions are taken up into the guard cells from the apoplast

Q- Closing of stomata                         ii) The malate content of guard cells decreases

iii) starch content in guard cells increases during end of the

iv) Acidification of the lumen stimulates zeaxanthin formation which activates the H+ ATPase causing

v) Accumulation of solute in vacuole such as sucrose and malate leads to

TLS Online TPP Program

#Question id: 7117

#Unit 5. Developmental Biology

Which of the following statements explains why gain-of-function mutation of Pmar1 results in a vegetalized embryo:

TLS Online TPP Program

#Question id: 3827

#Unit 3. Fundamental Processes

It takes about the same amount of time for eukaryotic chromosomes to be replicated in vivo as it does for E. coli. Why is this true?