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TLS Online TPP Program

#Question id: 9264

In a comparison of birds and mammals, the condition of having four limbs is

#XL - R Botany
  1. a shared ancestral character.
  2. a shared derived character.
  3. a character useful for distinguishing birds from mammals.
  4. an example of analogy rather than homology.
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TLS Online TPP Program

#Question id: 27313

#XL - T Zoology

Which type of interactions promote and stabilize the tetraloop structure.
TLS Online TPP Program

#Question id: 8931

#XL - R Botany

A researcher is trying to construct a molecular-based phylogeny of the entire animal kingdom. Assuming that none of the following genes is absolutely conserved, which of the following would be the best choice on which to base the phylogeny?
TLS Online TPP Program

#Question id: 18546

#XL - R Botany

Which of the following oil is poisonous purgative
TLS Online TPP Program

#Question id: 4929

#XL - R Botany

Maternal inheritance of coiling of shell in snail (limnaea peregra) is well established. The dextral coiling depends on dominant allele D and sinistral coiling depends upon recessive allele d. A female F1 progeny of dextral(Dd) type is crossed with a male dextral (Dd). What will be the phenotype ratio in progeny?
TLS Online TPP Program

#Question id: 5271

#XL - S Microbiology

Gene transfer that requires cell-to-cell contact is