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TLS Online TPP Program

#Question id: 13214

The stomata will open less or even remain closed on a sunny morning when

#Unit 6. System Physiology – Plant
  1. soil water is abundant, plant dehydration takes place
  2. soil water is less abundant, the solar radiation incident on the leaf favors high photosynthetic activity, the demand for CO2 inside the leaf is large
  3. soil water is less abundant, plants avoid dehydration
  4. soil water is abundant,  stomatal pores allows the diffusional resistance for water loss from leaves
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TLS Online TPP Program

#Question id: 19810

#Unit 12. Applied Biology

Few examples in which these transgenic plants having virus coat protein gene linked to a strong promoter have been produced are 
1. Tobacco
2. Tomato
3. Alfalfa
4. Sugarbeet
5. Potato
Which following crops have been produced having virus coat protien?
TLS Online TPP Program

#Question id: 12610

#Unit 10. Ecological Principles

If the Sun were to suddenly stop providing energy to Earth, most ecosystems would vanish. Which of the following ecosystems would likely survive the longest after this hypothetical disaster?
TLS Online TPP Program

#Question id: 12170

#Unit 8. Inheritance Biology

Sex determination in the grasshoppers is X-linked, if the cross is made between the heterozygous red phenotypic  female with the heterogametic red phenotypic male , then what will be the ratio of male and female with the red phenotype in F1 generation?
TLS Online TPP Program

#Question id: 3642

#Unit 3. Fundamental Processes

Any piece of DNA which replicates as a single unit is called
TLS Online TPP Program

#Question id: 3294

#Unit 11. Evolution and Behavior

Which one of these processes describes bottleneck effect?