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TLS Online TPP Program

#Question id: 18783

Sensitivity of various immunoassays are given match them correctly

Assay

Sensitivity∗ (g antibody/ml)

a) Mancini radial immunodiffusion

i) 2

b) Ouchterlony double immunodiffusion

ii) 20–200

c) Immunoelectrophoresis

iii) 20–200

d) Rocket electrophoresis

iv) 10–50

#Unit 13. Methods in Biology
  1. a –, b – iii, c – ii, d – iv 
  2. a – iv, b –ii, c – iii, d – i
  3. a – iii, b –ii, c – ii, d – iv
  4. a – iv, b – iii, c – ii, d – i, 
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TLS Online TPP Program

#Question id: 19004

#Unit 13. Methods in Biology

If the molecule is polar which of the following chromatography can be used to analysed sample 
TLS Online TPP Program

#Question id: 28957

#Unit 7. System Physiology – Animal

which of the following is correctly showing Wolff –Chaikoff effect ?
TLS Online TPP Program

#Question id: 19175

#Unit 13. Methods in Biology

The substance used as an adsorbent in the column chromatography is_________
TLS Online TPP Program

#Question id: 10791

#Unit 6. System Physiology – Plant

Following are certain statements regarding furanocoumarins;

 a) furanocoumarins have an attached furan ring

 b) These compounds are toxic until they are activated by sunlight in the ultraviolet A (UV-A) region (320–400 nm)  

 c) Light activated furanocoumarins can insert themselves into the double helix of DNA and bind to the pyrimidine bases, thus blocking transcription and repair and leading eventually to cell death   

 d) Phototoxic furanocoumarins are especially abundant in members of the Umbelliferae family, including celery, parsnip, and parsley.

 Which of the following combination from the above statements is correct?
TLS Online TPP Program

#Question id: 24526

#Unit 11. Evolution and Behavior

In a species, only 1 of every 1000 seeds survives to reproductive age, and that those that survive produce an average of 3000 seeds , what will be the average fitness of  species ?