Practice Questions

TLS Online TPP Program

#Question id: 1392

In the nematode C. elegans, ced-9 prevents apoptosis in a normal cell in which of the following ways?

#Unit 4. Cell Communication and Cell Signaling

It prevents the caspase activity of ced-3 and ced-4.
Ced-9 remains inactive until it is signaled by ced-3 and other caspases.
Ced-9 cleaves to produce ced-3 and ced-4.
Ced-9 prevents blebbing by its action on the cell membrane.

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TLS Online TPP Program

#Question id: 15981

#Unit 12. Applied Biology

Virus free plant production is produced by which culture technique?

TLS Online TPP Program

#Question id: 15980

#Unit 12. Applied Biology

Suspension culture is applicable for

TLS Online TPP Program

#Question id: 15979

#Unit 12. Applied Biology

Embryo developed through the cell proliferation__

a) From the explant without callus formation

b) Callus formation takes place

c) By indirect embryogenesis

d) By direct embryogenesis

e) By using growth regulator

TLS Online TPP Program

#Question id: 15978

#Unit 12. Applied Biology

Embryo culture is applied for___

TLS Online TPP Program

#Question id: 15977

#Unit 12. Applied Biology

Embryo grows well in which pH range?

TLS Online TPP Program

#Question id: 15976

#Unit 12. Applied Biology

For any embryo culturing, which compound is preferred source of nitrogen?