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TLS Online TPP Program

#Question id: 9250

Of the following statements about protected areas that have been established to preserve biodiversity, which one is not correct?

#Unit 9. Diversity of Life Forms
  1. About 25% of Earth's land area is now protected.
  2. National parks are one of many types of protected areas.

  3. Management of a protected area should be coordinated with management of the land surrounding the area.

  4. It is especially important to protect biodiversity hot spots 
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TLS Online TPP Program

#Question id: 17216

#Unit 7. System Physiology – Animal

What do you mean by negative feedback system?
TLS Online TPP Program

#Question id: 803

#Unit 1. Molecules and their Interaction Relevant to Biology

A single-stranded DNA molecule contains 40 nucleotides and has the sequence 5’-(GA)20-3’. When this single strand binds to a complementary DNA strand to form a B-DNA structure,
TLS Online TPP Program

#Question id: 7268

#Unit 5. Developmental Biology

Match the columns and choose the correct option.

Column I           

Column II

A.    Progress zone

i.                    thickening of the ectoderm at the apex of the developing limb bud

 

B.     Apical ectodermal ridge

ii.                  The cells found within the most posterior region

C.     Zone of polarizing activity

iii.                The highly proliferative mesenchyme that fuels limb bud growth


TLS Online TPP Program

#Question id: 4691

#Unit 3. Fundamental Processes

Processing of pre-rRNA transcripts (30S)  in bacteria, after the modification and cleavage produces mature RNAs is
TLS Online TPP Program

#Question id: 13181

#Unit 10. Ecological Principles

Generally speaking, deserts are located in places where air masses are usually