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. 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: 20259

#Unit 12. Applied Biology

Under stress condition expression of E, coli gene mtl 1D in plants leads to 
1. Mannitol accumulation 
2. Enhanced growth 
3. Reduced growth
4. Glucose accumulation 
Which of the following is correct option?

TLS Online TPP Program

#Question id: 20260

#Unit 12. Applied Biology

The modified forms of starch have varied applications in food and other industries. Basic strategies to modify starch quality are 
(i) genetic modification of crops (by breeding or biotechnology)
(ii) food processing (using enzymes and chemicals)
(iii) food supplementation (modification of starch by employing microorganisms)
Which of the following strategies are correct?

TLS Online TPP Program

#Question id: 20261

#Unit 12. Applied Biology

Certain modified forms of starch such as high amylose starch are widely used in 
1. Snack products
2. Improve uniformity, stability and texture
3. Thickener
Which of the following are correct?

TLS Online TPP Program

#Question id: 20262

#Unit 12. Applied Biology

Certain modified forms of starch such as high amylopectin starch are widely used in 
1. Snack products
2. Improve uniformity, stability and texture
3. Thickener
4. Paper industry
Which of the following is correct option?

TLS Online TPP Program

#Question id: 20263

#Unit 12. Applied Biology

_______  an excellent alternative to polystyrene-based packing material

TLS Online TPP Program

#Question id: 20264

#Unit 12. Applied Biology

______________ is the main enzyme of amylose biosynthesis. Whose increased activity is expected to increase the amylose content of starch?