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TLS Online TPP Program

#Question id: 9588

The light-absorbing antenna systems are organised in different manner, which of the following statements about antenna would be Incorrect?

#Unit 6. System Physiology – Plant
  1. The antenna systems of different classes of photosynthetic organisms are almost same , in contrast to the reaction centre, which appear to be similar in even distantly related organisms
  2. The variety of antenna complexes reflects evolutionary adaptation to the diverse environments in which different organisms live, as well as the need in some organisms to balance energy input to the two photosystems
  3. The size of the antenna system varies considerably in different organisms, ranging from a low of 20 to 30 bacteriochlorophylls per reaction centre to generally 200 to 300 chlorophylls per reaction centre
  4. The molecular structures of antenna pigments are associated in some way with the photosynthetic membrane, In almost all cases, the antenna pigments are associated with proteins to form pigment–protein complexes
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TLS Online TPP Program

#Question id: 14886

#Unit 4. Cell Communication and Cell Signaling

Secondary lymphoid organ provide sites where lymphocytes encounter antigen, become activated, and undergo clonal expansion and differentiation into effector cells, include
a) spleen
b) lymph node
c) mucosa-associated lymphoid tissue
Which of the following are the effector cells of secondary lymphoid organ?
TLS Online TPP Program

#Question id: 10491

#Unit 6. System Physiology – Plant

Acidification of the lumen stimulates zeaxanthin formation, and alkalinization favors violaxanthin formation. Lumen pH depends on photosynthetic photon flux density, most effective at
TLS Online TPP Program

#Question id: 27687

#Unit 6. System Physiology – Plant

Precursor of GB is
TLS Online TPP Program

#Question id: 26908

#Unit 10. Ecological Principles

Many animals obtain their amino acids from the food they eat, though plants contain only small amount of amino acids, which types of animals has the capacity to synthesizes missing amino acids?
TLS Online TPP Program

#Question id: 14775

#Unit 13. Methods in Biology

A bag contains 3 black and 5 white balls. One ball is drawn from the bag. What is the probability that the ball is not black ?