TLS Online TPP Program

#Question id: 3665


Which of the following is true for Tandem-duplication mutations?

#Unit 3. Fundamental Processes
  1. play an important role in evolution

  2. arise during the same ectopic recombination as deletions

  3. occur within a single gene usually inactivate the gene and are not leaky

  4. All the above are correct

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TLS Online TPP Program

#Question id: 4869

#Unit 8. Inheritance Biology

In the plant Arabidopsis, the loci for pod length (L, long; l, short) and fruit hairs (H, hairy; h, smooth) are linked 16 map units apart on the same chromosome. The following crosses were made:

(i) L H/L H X l h/l h = F1

(ii) L h/L h X l H/l H = F1

If the F1’s from (i) and (ii) are crossed, what proportion of the progeny are expected to l h/l h?

TLS Online TPP Program

#Question id: 5941

#General Aptitude

How many days are three in 2x weeks and x days ?

TLS Online TPP Program

#Question id: 16121

#Unit 7. System Physiology – Animal

 Match the following mechanisms (Column I) with their correct example (Column II).

Column I

Column II

A. Heat-generating and heat-retaining mechanisms

i. increased metabolic rate (thyroid

hormones, sympathetic nervous system)

 

B. Heat-dissipating mechanisms

ii. vasodilation of blood vessels of the skin (decreased sympathetic tone)

 

iii. increased activity of sympathetic cholinergic fibers to sweat glands.

 

iv. shivering

 

v. vasoconstriction of blood vessels of the skin (increased sympathetic tone)

TLS Online TPP Program

#Question id: 3052

#Unit 2. Cellular Organization

How many average CFU will form on petriplate if 0.1ml sample plating from 104 diluted sample (original sample contain 3x10^7 bacteria per ml)

TLS Online TPP Program

#Question id: 14687

#Unit 13. Methods in Biology

Find the probability of drawing one rupee coin from a purse with two compartments one of which contains 3 fifty paisa coins and 2 one-rupee coins and the other contains 2 fifty paisa coins and 3 one rupee coins.