Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 16849
TLS Online TPP Program

#Question id: 2115

Which of the following statements about diffusion is true?

#XL - S Microbiology

  1. It is very rapid over long distances.

  2. It requires an expenditure of energy by the cell.

  3. It is an active process in which molecules move from a region of lower concentration to a region of higher concentration.

  4. It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.

More Questions
TLS Online TPP Program

#Question id: 11607

#XL - R Botany

How the active gibberellin GA1 is inactived by?

a)  By hydroxylation remove GA20 from the biosynthetic pathway by converting it to GA1

b) conversion to GA8 by a hydroxylation on carbon 2

c) By hydroxylation remove GA20 from the biosynthetic pathway by converting it to GA29
TLS Online TPP Program

#Question id: 15339

#XL - S Microbiology

HSCs begin their life in close contact with osteoblasts located close to the lining of the endosteal cavity. Once differentiated to the pre-pro-B-cell stage, the developing B cells require Which type of signals from the chemokine, which is secreted by a specialized set of stromal cells?
TLS Online TPP Program

#Question id: 11755

#XL - T Zoology

Which of the following solutions when infused intravenously would result in an increase in extracellular fluid volume, a decrease in intracellular fluid volume, and an increase in total body water after osmotic equilibrium?
TLS Online TPP Program

#Question id: 4609

#XL - S Microbiology

Pseudogenes are ________.
TLS Online TPP Program

#Question id: 14819

#XL - S Microbiology

Some given properties of Hapten, except