TLS Online TPP Program

#Question id: 314


Which statement explains the cleaning action of soap on greasy dishes?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. The soap changes the water-solubility of the grease so that it is easily dissolved by the water.

  2. The grease is trapped inside the hydrophobic interior of micelles made of soap molecules.

  3. The soap chemically breaks down the grease into smaller, more water-soluble molecules.

  4. The soap hydrates the grease with its polar head groups and holds it in suspension.

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TLS Online TPP Program

#Question id: 29495

#Unit 6. System Physiology – Plant

Which of the following sr of PHY are redundant in nature

TLS Online TPP Program

#Question id: 10645

#Unit 10. Ecological Principles

The logistic equation above is used to describe the rate of change of a population, N, with time, t, where r is the intrinsic rate of increase and K is the carrying capacity. dn/dt is isoclines when 

TLS Online TPP Program

#Question id: 29065

#Unit 10. Ecological Principles

Ecological and crude density of fish prey in related with predator. Water level is drop during the dry season and further increases in a rainy season. Following some observation effect are present on their density
A) Ecological density is not change with respect to water level       
B) Ecological density is gradually decrease with low water level
C) Crude density increases over ecological density during low water level             
D) Ecological density increases while crude density decreases during low water level
E) There is no effect on crude density with seasonal water level
Which of the following above observation is correct?

TLS Online TPP Program

#Question id: 3566

#Unit 8. Inheritance Biology

Two organisms, with genotypes BbDD and BBDd, are mated. Assuming independent assortment of the B/b and D/d genes, determine the genotypic ratios in offspring that would occur.

TLS Online TPP Program

#Question id: 4998

#Unit 11. Evolution and Behavior

Many species of snakes lay eggs, but in the forests of northern Minnesota where growing seasons are short, only live-bearing snake species are present. This trend toward species that perform live birth is an example of