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TLS Online TPP Program

#Question id: 13233

Tracheids are

#Unit 6. System Physiology – Plant
  1. dead cells and are connected to one another through perforation plates— regions of the wall where pores or holes have developed
  2. elongate, hollow, dead cells with highly lignified walls, the walls contain numerous pits— regions where secondary wall is absent but primary wall remains
  3. circular and tapered lignified cell in the xylem of only Angiosperm
  4. component of the phloem tissue
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TLS Online TPP Program

#Question id: 5718

#Unit 8. Inheritance Biology

aneuploids may arise through nondisjunction, the failure of homologous chromosomes or sister chromatids to separate in meiosis. which of following the incorrect about nondisjuction ?
TLS Online TPP Program

#Question id: 16772

#Unit 13. Methods in Biology

What is the Median of the following data sample? 2, 7, 4, 8, 9, 10, 6, 12, 13
TLS Online TPP Program

#Question id: 15735

#Unit 12. Applied Biology

How meristem cultures are able to generate pathogen free plants. Choose the most appropriate statement.
TLS Online TPP Program

#Question id: 28362

#Unit 5. Developmental Biology

if the Valois is mutant that gives the mutant phenotype except_____
TLS Online TPP Program

#Question id: 1372

#Unit 4. Cell Communication and Cell Signaling

Match the following junctions (Column I) with their functions (Column II).

Column I

Column II

a. adherens junctions

i. Controlling solute flow, signaling

b. gap junctions

ii. Shape, rigidity, signaling

c. tight junctions

iii. Shape, tension, signaling, force transmission

d. hemidesmosomes

iv. Communication, small-molecule transport

between cells