TLS Online TPP Program

#Question id: 8294


The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed three-chambered hearts (two atria, one ventricle). Birds and mammals, however, are alike in having four-chambered hearts (two atria, two ventricles). The fourchambered hearts of birds and mammals are best described as ________.

#Unit 9. Evolution & Diversity of Life Forms
  1. structural homologies
  2. vestiges
  3. structural analogies
  4. the result of shared ancestry
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TLS Online TPP Program

#Question id: 28070

#Unit 6. System Physiology – Plant

Water splitting/ oxygen evolution is initiated by presence of 
a. P680*
b. P680
c. P680+

TLS Online TPP Program

#Question id: 28071

#Unit 6. System Physiology – Plant

During Water splitting/ oxygen evolution P680+ is directly reduced by

TLS Online TPP Program

#Question id: 28072

#Unit 6. System Physiology – Plant

During photosynthesis water splitting takes place in

TLS Online TPP Program

#Question id: 28073

#Unit 6. System Physiology – Plant

Which of the following is correct regarding ATP & NADPH synthesis and its physiological environment 
(a) ATP & NADPH is synthesized in Stroma
(b) ATP & NADPH is synthesized in Lumen
(c) STROMA is alkaline and similar to Mitochondrial matrix
(d) STROMA is acidic and similar to Mitochondrial matrix
Which of the following is correct

TLS Online TPP Program

#Question id: 28074

#Unit 6. System Physiology – Plant

P680 & P700 exist in various state, and each state have their own different properties 
(a) P680    -   absorbs light  
(b) P680+   -     strongest oxidant 
(c) P680 +   -     strongest reductant 
(d) P700   -    absorbs light 
(e) P700* -     strongest reductant 
Which of the following is correct 

TLS Online TPP Program

#Question id: 28075

#Unit 6. System Physiology – Plant

P680 & P700 exist in various state such as reductant, strongest reductant, oxidant and strongest oxidant 

 Column 1 Column 2 Properties
 A. P680 I. P700 U. reductant
 B. P680+ II. P700+ V. strongest reductant 
 C. P680* III. P700* W. oxidant
 X. strongest oxidant
 Match then correctly