TLS Online TPP Program

#Question id: 11966


Stomach cells are moderately well adapted to the acidity and protein-digesting activities in the stomach by having ________.

#SCPH28 | Zoology
  1. a sufficient colony of H. pylori
  2. a thick, mucous secretion and active mitosis of epithelial cells
  3. a high level of secretion of enzymes by chief cells
  4. a cell wall impermeable to acid
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TLS Online TPP Program

#Question id: 3254

#SCPH28 | Zoology

Consider a single locus with 2 alleles which are at Hardy-Weinberg equilibrium. If the frequency of the heterozygous genotypes is 0.42, what is the frequency of one homozygote in the population?

TLS Online TPP Program

#Question id: 3255

#SCPH06 I Botany

The body weight of offspring of bird species is range between 12 gm to 18 gm. In a laboratory experiment, species was subjected to selection pressure having influence on the offspring body weight. After many generations of experimental selection pressure, the body weight range between 16 gm to 24 gm. Which of the following natural selection operate on this species?

TLS Online TPP Program

#Question id: 3255

#SCPH28 | Zoology

The body weight of offspring of bird species is range between 12 gm to 18 gm. In a laboratory experiment, species was subjected to selection pressure having influence on the offspring body weight. After many generations of experimental selection pressure, the body weight range between 16 gm to 24 gm. Which of the following natural selection operate on this species?

TLS Online TPP Program

#Question id: 3256

#SCPH06 I Botany

There are three alleles, A1, A2, and A3, whose frequencies are equal abundance. According the Hardy-Weinberg equilibrium

TLS Online TPP Program

#Question id: 3256

#SCPH28 | Zoology

There are three alleles, A1, A2, and A3, whose frequencies are equal abundance. According the Hardy-Weinberg equilibrium

TLS Online TPP Program

#Question id: 3257

#SCPH06 I Botany

Which of the following statements about evolution is NOT true?