TLS Online TPP Program

#Question id: 39487


Regarding activation energy:

I. Enzymes lower activation energy
II. Activation energy determines reaction rate
III. Activation energy is equal to free energy change

#Biochemistry
  1. I and II only
  2. II and III only
  3.  I and III only
  4. I, II and III
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TLS Online TPP Program

#Question id: 40450

#Botany

Match the Algal genera in List-I with the shape of their Chloroplast in List-II.

List-I (Genera)List-II (Chloroplast Shape)
A. ChlamydomonasI. Girdle shaped
B. SpirogyraII. Reticulate (Network-like)
C. UlothrixIII. Cup shaped
D. OedogoniumIV. Ribbon shaped (Spiral)

TLS Online TPP Program

#Question id: 40451

#Botany

Given below are two statements regarding the reproduction in Algae:
Statement I: In Rhodophyceae (Red Algae), motile stages (zoospores or motile gametes) are completely absent in their life cycle.
Statement II: In Phaeophyceae (Brown Algae), the gametes are pyriform (pear-shaped) and bear two laterally attached unequal flagella.
Choose the correct answer:

TLS Online TPP Program

#Question id: 40452

#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: 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)