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TLS Online TPP Program

#Question id: 10132

Which of the following statements would be correct for photophosphorylation ?

#Section 2: General Biology
  1. Water is oxidized and protons are released in the lumen by PSII and reduces NADP+ to NADPH in the stroma both are spontaneous processes becoz their reduction potential is positive
  2. The sequential absorption of four photons (excitons) —known as S states, each absorption causing the loss of one electron from the Mn4Ca cluster, produces an oxidizing agent that can remove four electrons from two molecules of water, producing O2, the electrons lost from the Mn4Ca cluster pass one at a time to an oxidized Tyr residue in a PSII protein, then to P680+
  3. An alternative path of electron is cyclic electron transfer, in which elctron move from ferredoxin back to the cytochrome b6 f complex, the cyclic pathway produces more ATP and Water produces but less NADPH produces than the noncyclic
  4. Transfer of the two electrons to PQB reduces it to PQB 2–, and the reduced PQB 2– takes two protons from the stroma side of the medium, yielding a fully reduced plastohydroquinone (PQH2), the PQH2 then still remain bounded from the reaction center complex
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TLS Online TPP Program

#Question id: 10546

#Section 6: Plant, Animal and Microbial Biotechnology

Given below are certain statements regarding plant-pathogen interactions: which one of the following is incorrect?
TLS Online TPP Program

#Question id: 10547

#Section 6: Plant, Animal and Microbial Biotechnology

Which of the following responses are incorrect for closing of stomata?
TLS Online TPP Program

#Question id: 10548

#Section 6: Plant, Animal and Microbial Biotechnology

flg22-elicited response is dependent on the presence of the LRR receptor-like kinase, what will be the causes of mutant form of LRR receptor-like kinase FLS2?
TLS Online TPP Program

#Question id: 10549

#Section 6: Plant, Animal and Microbial Biotechnology

Following are the list of some of the molecular “danger signals” (column I) and its characteristics (column II)                                                                                         

 Column I                                                                                   Column II

 a) MAMPs                               i) produce from the pathogen molecules support their ability to successfully colonize their host and gain nutritional benefits

b) DAMPs                               ii) A plant response to insect herbivores involve both a wound response and the recognition of certain compounds abundant in the insect’s saliva or regurgitant

c) Effectors                             iii) are conserved among a specific class of microorganisms such as chitin for fungi, flagella for bacteria

d) Elicitor                                iv) molecules secrete from the damaging plant by herbivory such as Prosystemin

Which of the following is the correct match between the signals and their respective mechanism?
TLS Online TPP Program

#Question id: 10550

#Section 6: Plant, Animal and Microbial Biotechnology

Plants, in turn, evolved a second line of defense that recognize these intracellular effectors and trigger defense responses to render them harmless. As a result, plants possess a second type of immunity called,
TLS Online TPP Program

#Question id: 10551

#Section 6: Plant, Animal and Microbial Biotechnology

plants possess a second type of immunity mediated by a set of highly specific intracellular receptors known as nucleotide binding site–leucine rich repeat (NBS–LRR) receptors. How NBS–LRRs become activated,