TLS Online TPP Program

#Question id: 17667


Jurassic periods belong to the Mesozoic era has various characteristics of invertebrates and vertebrates animals except;

#Unit 11. Evolution and Behavior
  1. Maximum of ammonites
  2. Dominance of dinosaurs
  3. Insects abundant
  4. Expansion of reptiles
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TLS Online TPP Program

#Question id: 28367

#Unit 5. Developmental Biology

Bicoid protein was found in a gradient, when embryos lacking Bicoid or bicoid deficient embryo___

TLS Online TPP Program

#Question id: 5292

#Unit 8. Inheritance Biology

A transformation experiment is performed with a donor strain that is resistant to four drugs: W, X, Y, and Z. The recipient is sensitive to all four drugs. The treated recipient population is divided up and plated on media containing various combinations of the drugs. The table below shows the results:

Drug(s) added

Number of Colonies

None

20,000

WX

76

WY

1324

WZ

1976

XY

85

XZ

69

YZ

1564

WXY

50

WXZ

62

WYZ

1354

XYZ

48

WXYZ

53

Following observation are given

A) X gene is obviously quite distant from the other three genes

B) Y gene is obviously quite distant from the other three genes

C) The Order is three closely link gene W Z Y

D) The Order is three closely link gene W X Z

Which of the following combination is correct?

TLS Online TPP Program

#Question id: 10889

#Unit 10. Ecological Principles

Which of the following ecosystem that is lower Productivity/Biomass ratios and energy transfer rates to higher trophic levels are slower 

TLS Online TPP Program

#Question id: 5550

#Unit 5. Developmental Biology

The vertebrate nervous system is derived from

TLS Online TPP Program

#Question id: 3322

#Unit 11. Evolution and Behavior

What will be genotype frequency of heterozygote when population with .50 inbreeding coefficient and frequency of P is equal to q?