TLS Online TPP Program

#Question id: 8913


The larvae of some insects are merely small versions of the adult, whereas the larvae of other insects look completely different from adults, eat different foods, and may live in different habitats. Which of the following most directly favors the evolution of the latter, more radical, kind of metamorphosis?

#SCPH06 I Botany
  1. natural selection of sexually immature forms of insects
  2. changes in the homeobox genes governing early development
  3. the evolution of meiosis
  4. B and C only
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TLS Online TPP Program

#Question id: 10564

#SCPH06 I Botany

The term Ys , called the solute potential or the osmotic potential, represents the effect of dissolved solutes on water potential,

a) The mixing of solutes and water reduces the disorder of the system and thereby lowers free energy

b) Solutes reduce the free energy of water by diluting the water

c) The mixing of solutes and water increases the disorder of the system and thereby lowers free energy

d) Solutes increases the free energy of water by diluting the water

 Which one of the following statements are INCORRECT?

TLS Online TPP Program

#Question id: 10565

#I Life Science/ Life Sciences Group – I-V

The term Yp is the hydrostatic pressure of the solution

TLS Online TPP Program

#Question id: 10565

#SCPH05 I Biotechnology

The term Yp is the hydrostatic pressure of the solution

TLS Online TPP Program

#Question id: 10565

#SCPH06 I Botany

The term Yp is the hydrostatic pressure of the solution

TLS Online TPP Program

#Question id: 10566

#I Life Science/ Life Sciences Group – I-V

What happens if this cell is placed in the beaker containing 0.1 M sucrose, Because the water potential of the sucrose solution (Yw = –0.244) is greater than the water potential of the cell (Yw = –0.732 MPa)

a) Water will move from the cell to the sucrose solution

b) From high to low water potential

c) From low to high water potential

d) Water will move from the sucrose solution to the cell

Which of the following statement is CORRECT?

TLS Online TPP Program

#Question id: 10566

#SCPH05 I Biotechnology

What happens if this cell is placed in the beaker containing 0.1 M sucrose, Because the water potential of the sucrose solution (Yw = –0.244) is greater than the water potential of the cell (Yw = –0.732 MPa)

a) Water will move from the cell to the sucrose solution

b) From high to low water potential

c) From low to high water potential

d) Water will move from the sucrose solution to the cell

Which of the following statement is CORRECT?