Practice Questions

TLS Online TPP Program

#Question id: 15543

In Benzer's intragenic mapping experiments, what event was required to allow production of infectious phage from rII mutants?

#Unit 8. Inheritance Biology

rII mutant strains with mutations in different genes.
Homologous recombination between phage.
Crossover Within the mutant gene, between the mutation.
Crossover at one end of the mutant gene, outside the mutation.

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TLS Online TPP Program

#Question id: 10472

#Unit 6. System Physiology – Plant

In greenhouse grown leaves of broad bean stomatal movements closely correlate with incident solar radiation at the leaf surface and stomatal aperture opening and closing as light levels reaching the leaf surface given in graph

A. Mid of the day stomatal aperture has a largest diameter, water loss and transpiration rate will be highest at the same time

B. In mid of the day incident light is highest in terms of PPFD and can also say CO2 diffusion will be highest

C. The stomatal aperture has a largest diameter resulting closing of stomatal pore, water loss and transpiration rate will be lowest due to closing of stomata

D. In mid of the day incident light is highest in terms of PPFD resulting CO2 will not diffuse

which of the following combination from the given graph will be CORRECT?

TLS Online TPP Program

#Question id: 12494

#Unit 8. Inheritance Biology

Hunter syndrome is a rare form of mucopolysacchararidosis that differs from all other forms in that it shows X-linked recessive inheritance. A woman with two affected brothers is referred for genetic counselling. Which of the following is correct?

TLS Online TPP Program

#Question id: 1092

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is true of steroid receptors?

TLS Online TPP Program

#Question id: 12874