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TLS Online TPP Program

#Question id: 39079

 Match Column I with Column II

Column I (Phylum/Class)Column II (Characteristic)
A. Porifera1. Water vascular system
B. Annelida2. Canal system
C. Echinodermata3. Metameric segmentation
D. Arthropoda4. Jointed appendages

#Zoology
  1.  A–2, B–3, C–1, D–4
  2.  A–1, B–2, C–4, D–3
  3. A–2, B–1, C–3, D–4
  4. A–3, B–2, C–4, D–1
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TLS Online TPP Program

#Question id: 37853

#Plant Biotechnology

Which of the following cell types can undergo dedifferentiation in suitable culture conditions?
TLS Online TPP Program

#Question id: 37854

#Plant Biotechnology

The primary requirement for a plant tissue to form a callus in vitro is:
TLS Online TPP Program

#Question id: 37855

#Plant Biotechnology

The process in which cells in callus culture regain the ability to divide is called:
TLS Online TPP Program

#Question id: 37856

#Plant Biotechnology

Which of the following is NOT true about callus cultures?
TLS Online TPP Program

#Question id: 37857

#Plant Biotechnology

A plant culture consisting of single cells or small clumps of cells grown in liquid medium is called:
TLS Online TPP Program

#Question id: 37858

#Plant Biotechnology

Why must liquid plant cultures be constantly agitated?