TLS Online TPP Program

#Question id: 39548


Match the photochemical law with its statement:

 Column I Column II
 A. Grotthuss–Draper law 1. Only absorbed light causes reaction
 B. Stark–Einstein law 2. One photon excites one molecule
 C. Beer–Lambert law 3. Absorbance proportional to concentration
 D. Einstein 4. Quantum theory of light

#Biochemistry
  1. A-1, B-3, C-2, D-4
  2. A-2, B-1, C-3, D-4
  3. A-1, B-2, C-4, D-3
  4. A-1, B-2, C-3, D-4
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TLS Online TPP Program

#Question id: 40453

#Botany

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Chara is known as "Stone Wort."
Reason (R): The plant body of Chara is heavily encrusted with calcium carbonate deposits.
In the light of the above statements, choose the correct answer:

TLS Online TPP Program

#Question id: 40454

#Botany

Given below are two statements regarding the economic importance of Algae:
Statement I: Agar-agar, used in microbial culture media, is obtained from Laminaria and Sargassum.
Statement II: Chlorella is a unicellular alga rich in proteins and is used as a food supplement by space travelers.
Choose the correct answer:

TLS Online TPP Program

#Question id: 40455

#Botany

Match the Algal genera in List-I with their characteristic features in List-II.

List-I (Genera)List-II (Feature)
A. VolvoxI. Coenobial colony (Motile)
B. HydrodictyonII. Water Net (Non-motile Coenobium)
C. EctocarpusIII. Isomorphic Alternation of Generations
D. PolysiphoniaIV. Triphasic Life Cycle (Haplobiontic)

TLS Online TPP Program

#Question id: 40456

#Botany

Given below are two statements regarding the thallus organization in Algae:
Statement I: The thallus of Fucus is differentiated into holdfast, stipe, and frond (lamina).
Statement II: Vaucheria has a coenocytic, siphonaceous thallus without septa.
Choose the correct answer:

TLS Online TPP Program

#Question id: 40457

#Applied Microbiology

Which of the following techniques is most appropriate for the separation of a mixture of lipids?

TLS Online TPP Program

#Question id: 40458

#Applied Microbiology

Consider the following statements regarding the principles of electrophoresis:

    Statement I: Electrophoresis separates molecules primarily based on their charge-to-mass ratio.

    Statement II: Neutral molecules with zero net charge remain stationary or move randomly in an electric field.

    Which of the above statements is/are correct?