An otherwise healthy student in your class is infected with EBV, the virus that causes infectious mononucleosis. The same student had already been infected when she was a child, and she had merely experienced a mild sore throat and swollen lymph nodes in her neck. This time, though infected, she does not get sick. 

Her immune systemʹs recognition of this infection will involve which of the following?

TLS Online TPP Program

#Question id: 37914

#Plant Biotechnology

Which of the following correctly describes the anatomy of early shoot-bud formation in callus?

TLS Online TPP Program

#Question id: 37915

#Plant Biotechnology

A key anatomical difference between organogenesis and somatic embryogenesis is:

TLS Online TPP Program

#Question id: 37916

#Plant Biotechnology

Seed culture is particularly important when explants are obtained from:

TLS Online TPP Program

#Question id: 37917

#Plant Biotechnology

Why is direct sterilization of explants taken from plants often avoided?

TLS Online TPP Program

#Question id: 37918

#Plant Biotechnology

Statement I: Seed culture is preferred when sterilization of explants taken directly from plants may damage tissues and reduce regeneration potential.

Statement II: Culturing seeds helps in raising sterile seedlings without subjecting explants to harsh sterilization procedures.

TLS Online TPP Program

#Question id: 37919

#Plant Biotechnology

Statement I: In nature, orchid seed germination requires a symbiotic association with fungi.

Statement II: Orchid seeds lack sufficient stored nutrients and therefore depend on fungal partners for germination.