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TLS Online TPP Program

#Question id: 28704

What is the function of Glycosidase in biosynthesis of all N-linked oligosaccharides in the ER?

#Unit 2. Cellular Organization
  1. Formation of glycosidic bond in between the dolichol phosphate and sugar residue

  2. Catalyzes the transfer of precursor oligosaccharide from a dolichol lipid to the tripeptide sequences

  3. Involve to remove all three glucose residues and one particular mannose residue
  4. Adding Two N- acetylglucosamine (GlcNAc) and five mannose residues to a dolichol phosphate on the cytosolic face of the ER
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TLS Online TPP Program

#Question id: 7299

#Unit 5. Developmental Biology

Maintenance of the shoot meristems in adult Arabidopsis plants relies on which of the following mechanisms?
TLS Online TPP Program

#Question id: 7300

#Unit 5. Developmental Biology

Following genes regulate flowering, column I represents genes, column II represents transcription factor family and column III represents functions.

Column I

Column II

Column III

A. FLOWERING D (FD)

i. bZIP

a. Activates flowering

downstream of florigen

B. SUPPRESSOR OF

OVEREXPRESSION OF

CONSTANS1 (SOC1)

ii. MADS

b. Receptor for florigen

C. FLOWERING LOCUS C

 

c. Class E homeotic genes

D. SEPALLATA (SEP)

 

d. Floral repressor

 Which of the following is correct?
TLS Online TPP Program

#Question id: 7301

#Unit 5. Developmental Biology

An Rajasthani hunter was worried about being attacked by grizzly tigers, so he left the lights in his cabin on all the time. Plants near the cabin flowered a month early. Which of the following best explains this?
TLS Online TPP Program

#Question id: 7302

#Unit 5. Developmental Biology

Match the following level of microRNAs in Arabidopsis (Column II and III) with their Phases (Column I)

   Phases (Column I)

 microRNAs (Column II)

Level of microRNAs (Column III)

A. Juvenile vegetative phase

i. miR156

a. Low

B. Adult vegetative phase

ii. miR172

b. High

C. Reproductive phase

 

 

Which of the following combination is correct?
TLS Online TPP Program

#Question id: 7303

#Unit 5. Developmental Biology

The ‘quartet model’ explains how the protein products of the ABCE-function genes might interact to control floral organ identity. Following statements are based on this model. Which one of them is incorrect?
TLS Online TPP Program

#Question id: 7304

#Unit 5. Developmental Biology

Which one of the following will be observed when auxin to cytokinin ratio is increased in the culture medium during organogenesis from tobacco pith callus?