TLS Online TPP Program

#Question id: 522


Yeast will normally convert pyruvate to ethanol. Why is this better for the yeast than a conversion to lactate?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. Conversion to ethanol releases more NAD+ per mole than the conversion to lactate.

  2. The carbon atoms are more oxidized in ethanol than in lactate.

  3. Ethanol is neutral, but lactate production is accompanied by a sharp decrease in pH.

  4. Ethanol production is not better. Yeast normally produces ethanol and lactate in equilmolar amounts.

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TLS Online TPP Program

#Question id: 5436

#Unit 8. Inheritance Biology

Quantitative characteristics arise from two phenomena either polygenic or environmental influence on genotype. Which of the following is not character of quantitative polygenic trait?

TLS Online TPP Program

#Question id: 5437

#Unit 8. Inheritance Biology

A pure line dominant plant has height of 100 cm while pure line of recessive plant has 20 cm. If one dominant gene contribution is 8 cm, what is number of QTL control plant height?

TLS Online TPP Program

#Question id: 5438

#Unit 8. Inheritance Biology

Which of the following statement is incorrect?

TLS Online TPP Program

#Question id: 5440

#Unit 8. Inheritance Biology

Human height is control by 5 pair of polygene . A pure line dominant human has height of 100 cm while pure line of recessive human has 20 cm. What will be average height of human with genotype aabbCCDDEe?

TLS Online TPP Program

#Question id: 5441

#Unit 8. Inheritance Biology

Two pure line of corn have mean cob length of 15 cm and 5 cm, respectively. 6 polygenes involved in this trait exhibit additive gene action. Crossing these two lines is expected to produce a progeny population with mean cob length of

TLS Online TPP Program

#Question id: 5443

#Unit 8. Inheritance Biology

Two varieties of maize averaging 25 and 125 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 75 inches in height. Plant height is control by 3 QTL, what is the probability of plant with 25 inch height in F2 generation?