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TLS Online TPP Program

#Question id: 5147

What is the dissimilarity amongst "fate" and "specification"?

#Unit 5. Developmental Biology

  1. If cells are transplanted from their normal region in an embryo to a different region in a recipient embryo, such cells will alter their fate, but not their specification

  2. Cell fate describes the allocation of cells to the germ layers, ectoderm, mesoderm, or endoderm, whereas specification describes the exact tissues that each cell will ultimately become

  3. The fate map of an embryo does not change during development -- the fate map of an egg is the same as the fate map of a late blastula -- whereas the specification map of an embryo changes continually as the embryo's development proceeds

  4. The fate of a cell is determined by labelling that cell and following it during normal development, whereas the specification state of a cell is determined by culturing a cell in an artificial medium and observing what tissues form from it

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TLS Online TPP Program

#Question id: 7559

#General Aptitude

A car starts from A for B travelling 20 km an hour. 3/2 hours later another car starts from A and travelling at the rate of 30 km an hour reaches B 5/2 hours before the first car. Find the distance from A to B.
TLS Online TPP Program

#Question id: 7560

#General Aptitude

Two men start together to walk a certain distance, one at 4 kmph and another at 3 kmph.The former arrives half an hour before the latter. Find the distance.
TLS Online TPP Program

#Question id: 7561

#General Aptitude

Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively . If they cross each other in 23 seconds, what is the ratio of their speeds?
TLS Online TPP Program

#Question id: 7562

#General Aptitude

A train does a journey without stopping in 8 hours. If it had traveled 5 km an hour faster, it would have done the journey in 6 hours 40 min. What is its slower speed?
TLS Online TPP Program

#Question id: 7563

#General Aptitude

Two trains travelling in the same direction at 40 kmph and 22 kmph completely pass each other in 1 minutes. If the length of first train is 125 m, what is the length of second train ?
TLS Online TPP Program

#Question id: 7564

#General Aptitude

A man by motorcycle goes from Delhi to Bharatpur , a distance of 192 km, at an average speed of 32 kmph. Another man starts from Delhi by car 2.5 h after the motorcyclist starts and reaches Bharatpur half an hour late. What is the ratio of person on the motorcycle to the person going by car ?