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TLS Online TPP Program

#Question id: 2339

A busy student pours herself a cup of coffee and adds a sugar cube. A moment later the phone rings so she doesn't have time to stir it. Ten minutes later she returns to her coffee, and when she tastes it, it is obvious that the sugar has dissolved and that the coffee is uniformly sweet. What happened?

#SCPH28 | Zoology

  1. Osmosis has caused the sugar molecules to move down the concentration gradient until they were evenly distributed in the coffee.

  2. Facilitated diffusion has occurred and has caused the sugar molecules to dissolve in the coffee.

  3. Diffusion has occurred in the coffee causing the sugar to become evenly distributed.

  4.  Active transport has occurred using the heat in the coffee as a source of energy.

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TLS Online TPP Program

#Question id: 3539

#SCPH12 I Genetics

In cucumbers, orange fruit color (R) is dominant over cream fruit color (r). A cucumber plant homozygous for orange fruits is crossed with a plant homozygous for cream fruits. What are phenotype of progeny if backcross between the F1 and the orange parent.
TLS Online TPP Program

#Question id: 1613

#SCPH28 | Zoology

Complement component C3 is cleaved by:
TLS Online TPP Program

#Question id: 5423

#SCPH06 I Botany

Maximum height of plant is 200 cm and minimum average height is 80cm. if plant height is controle by 5 pairs of polygene, which of the following plant exhibit average phenotype?
TLS Online TPP Program

#Question id: 31

#SCPH01 Biochemistry

Which of the following is the pair of enantiomers from the following substance? 
TLS Online TPP Program

#Question id: 5268

#SCPH28 | Zoology

Competent cells