TLS Online TPP Program

#Question id: 10675


Which of the following pollinating agents is correctly matched with the type of plant it helps pollinate?

#Unit 10. Ecological Principles
  1. Water—terrestrial plants 
  2. Animals—aquatic plants
  3. Wind—grasses  
  4. Sand—desert plants
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TLS Online TPP Program

#Question id: 31220

#Unit 4. Cell Communication and Cell Signaling

Which of the following caspase activate extrinsic apoptosis pathway?

TLS Online TPP Program

#Question id: 251

#Unit 1. Molecules and their Interaction Relevant to Biology

The rise and pitch of B-DNA are 0.33 nm and 3.40 nm, respectively. About how many helical turns are there in a fragment 1 mm in length?

TLS Online TPP Program

#Question id: 7244

#Unit 5. Developmental Biology

Following statements are regarding to the evolutionary conservation of homeotic gene organization and transcriptional expression in fruit flies and mice.

A. In fruit flies and mice genes with similar structures occupy the same relative positions on each of the four chromosomes, and paralogous gene groups display similar expression patterns.

B. Hom-C cluster on Drosophila chromosome 3 and the four Hox gene clusters in the mouse genome are similar and evolutionary conserved.

C. Those mammalian genes homologous to the Drosophila labial, proboscipedia, and deformed genes are expressed anteriorly and early, whereas those genes homologous to the Drosophila AbdB gene are expressed posteriorly and later.

D. In fruit flies and mice genes are orthologous Hox gene groups.

E. Those mammalian genes homologous to the Drosophila labial, proboscipedia, and deformed genes are expressed posteriorly and later, whereas those genes homologous to the Drosophila AbdB gene are expressed anteriorly and early.

Which of the following combination is correct?

TLS Online TPP Program

#Question id: 23173

#Unit 13. Methods in Biology

There are various drawbacks still in fluorescence microscopy such as
1.  Light emitted comes from molecules above and below the plane of focus
2. Blurred image due to superposition of fluorescent images
Which of the above statement is/ are correct?

TLS Online TPP Program

#Question id: 13209

#Unit 6. System Physiology – Plant

After unloading, the sugars are transported to cells in the sink by means of a short-distance transport pathway. This pathway has also been called,