TLS Online TPP Program

#Question id: 14760


During the microfilament formation, the nucleation phase is marked by:

#Unit 2. Cellular Organization
  1.  Lag period in which G-actin subunits combine into an oligomer of two or three subunits
  2. Log period in which the short oligomer rapidly increases in length by the addition of actin monomers to both of its ends
  3. Lag period in which the short oligomer rapidly increases in length by the addition of actin monomers to both of its ends
  4. Log period in which G-actin subunits combine into an oligomer of two or three subunits
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TLS Online TPP Program

#Question id: 19102

#Unit 4. Cell Communication and Cell Signaling

Phytoplasmas are specialized bacteria that are obligate parasites of the phloem tissue. They are mainly spread by these insects except;

TLS Online TPP Program

#Question id: 19103

#Unit 4. Cell Communication and Cell Signaling

During infection, most bacteria remain in extracellular spaces and use a specialized mechanism, to deliver bacterial effector proteins into the plant cell that is

TLS Online TPP Program

#Question id: 19104

#Unit 4. Cell Communication and Cell Signaling

The structural components of the T3SS are encoded by the clustered gene known as

TLS Online TPP Program

#Question id: 19105

#Unit 4. Cell Communication and Cell Signaling

The type III secretion system (T3SS), to deliver bacterial effector proteins into the plant cell have been identified to be secretion of enzymes which causes dead of the plant, these enzymes are;
a) Phosphatases
b) Proteases 
c)  Lyases
d) Isomerase
e) Ligase

TLS Online TPP Program

#Question id: 19308

#Unit 4. Cell Communication and Cell Signaling

Match the following;

Column AColumn BColumn C
A) Attack strategy

i) Secreted cell wall-degrading enzymes


ii) Intimate intracellular contact with plant cells


iii) Initial biotrophic phase

a) Necrotrophy






b) Biotrophy
B) Host range

iv) Intermediate


v) Narrow


vi) Broad

c) Hemibiotrophy

TLS Online TPP Program

#Question id: 19309

#Unit 4. Cell Communication and Cell Signaling

What is the role of fusicoccin?
a) reversibly opening of stomata
b) Plant wilting
c) tumour formation
d) Apoptosis of tissue