TLS Online TPP Program

#Question id: 5421


A car owner buys petrol at Rs.75, Rs.80 and Rs.85 per litre for three successive years. What is the average cost per litre of petrol if he spends Rs.4000 each year?

#General Aptitude
  1. Rs.79.8

  2. Rs.80

  3. Rs. 85

  4. Rs.90

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TLS Online TPP Program

#Question id: 2203

#Unit 2. Cellular Organization

Parietal cells acidify the stomach contents while maintaining a neutral cytosolic pH by: 

a. exporting “excess” cytosolic OH– as HCO3–.
b. exchanging HCO3– for Cl–.
c. preserving electroneutrality by accompanying the movement of each Cl– ion into the stomach lumen by a K+.
d. the excess K+ ions pumped inward by the H+/K+ ATPase are returned to the stomach lumen, thus maintaining the normal intracellular K+ concentration.
Which of the following combination is correct?

TLS Online TPP Program

#Question id: 162

#Unit 1. Molecules and their Interaction Relevant to Biology

All of the amino acids that are found in proteins, except for proline, contain a(n):

TLS Online TPP Program

#Question id: 13157

#Unit 2. Cellular Organization

Following are the some statement . Choose the correct one?
a. Primary Lysosomes are also called storage granules, protolysosomes or virgin lysosomes. Primary lysosomes are newly formed organelles bounded by a single membrane and typically having a diameter of 100 nm. They contain the degradative enzymes which  participate in digestive process. 
b. Heterophagosomes are also called heterophagic vacuoles, heterolysosomes or phagolysosomes. Heterophagosomes are formed by the fusion of primary lysosomes with cytoplasmic vacuoles containing extracellular substances brought into the cell by any of a variety of endocytic processes.
c. Autophagosomes are able to digest intracellular structures including mitochondria, ribosomes, peroxisomes and glycogen granules. 

TLS Online TPP Program

#Question id: 19002

#Unit 13. Methods in Biology

Which of the following types of chromatography involves the separation of substances in a mixture over a 0.2mm thick layer of an adsorbent?

TLS Online TPP Program

#Question id: 5459

#Unit 8. Inheritance Biology

Who explained the multifactorial hypothesis?