TLS Online TPP Program

#Question id: 1561


The cells and signaling molecules involved in the initial stages of the inflammatory response are ?

#Zoology
  1. phagocytes and cytokines

  2. dendritic cells and interferons

  3. mast cells and histamines

  4. lymphocytes and interferons

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TLS Online TPP Program

#Question id: 38780

#Plant Biotechnology

Q. Statement I: Sexual reproduction generally limits virus transmission in plants.
Statement II: Many plant viruses are now known to be seed-transmissible.
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TLS Online TPP Program

#Question id: 38781

#Plant Biotechnology

Q. Assertion (A): Shoot apical meristems are preferred explants for eliminating plant viruses.
Reason (R): Viruses are unable to replicate efficiently in rapidly dividing meristematic cells.
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TLS Online TPP Program

#Question id: 38782

#Plant Biotechnology

Q.Statement I: Meristem culture is widely used to recover virus-free plants.
Statement II: Viral titres are usually very low or absent in shoot apical meristems.

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TLS Online TPP Program

#Question id: 38783

#Plant Biotechnology

Q. Assertion (A): Meristem culture has been extensively used in crops like potato and sugarcane.
Reason (R): These crops are clonally propagated and highly susceptible to viral infections.
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TLS Online TPP Program

#Question id: 38784

#Plant Biotechnology

Q. Statement I: Meristem culture was first applied to produce virus-free Dahlia plants.
 Statement II: This application was reported by Morel and Martin in 1952.

TLS Online TPP Program

#Question id: 38785

#Plant Biotechnology

Q.Statement I: Very small apical meristems are used for virus elimination in meristem culture.
 Statement II: The initial size of apical meristems used is approximately 100 µm.