Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 54614
TLS Online TPP Program

#Question id: 27478

Which of the following are the minimum essential criteria for the chirality of Aldoses and ketoses

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. Aldoses must have at least two carbons while ketoses must have at least three carbons
  2. Aldoses must have at least three carbons while ketoses must have at least three carbons
  3. Aldoses must have at least three carbons while ketoses must have at least four carbons
  4. Aldoses must have at least four carbons while ketoses must have at least three carbons
More Questions
TLS Online TPP Program

#Question id: 6965

#Unit 5. Developmental Biology

what type of cleavage is used in frog embryos?
TLS Online TPP Program

#Question id: 12195

#Unit 6. System Physiology – Plant

Which one of the following is function as endogenous regulators of polar auxin transport?
TLS Online TPP Program

#Question id: 19468

#Unit 12. Applied Biology

Glyphosate is extensively and rapidly metabolised by which enzyme that breaksdown glyphosate into glyoxylate and aminomethyl phosphonic acid
TLS Online TPP Program

#Question id: 26948

#Unit 10. Ecological Principles

Calculate the population doubling time, if given the intrinsic rate of increase is 1.2?
TLS Online TPP Program

#Question id: 5294

#Unit 8. Inheritance Biology

Interrupted mating experiments were performed using three different Hfr strains (1-3). The three strains have different combinations of selectable markers. The time of entry for markers for each strain is shown is shown in the table given.

Hfr 1

Phe

(5)

Trp

(35)

Met

(50)

Ala

(52)

Hfr 2

Trp

(2)

Val

(12)

His

(57)

Pro

(87)

Hfr 3

Ala

(10)

Met

(12)

Val

(37)

Phe

(57)

Using the above data, predict the correct sequence of markers on the E. coli chromosome