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TLS Online TPP Program

#Question id: 12390

 Which of the following statements is true?

#Unit 7. System Physiology – Animal
  1. Antidiuretic hormone (ADH) increases water reabsorption from the ascending loop of Henle
  2. Water reabsorption from the descending loop of Henle is normally less than that from the ascending loop of Henle
  3. Sodium reabsorption from the ascending loop of Henle is normally less than that from the descending loop of Henle
  4. Osmolarity of fluid in the early distal tubule would be less than 300 mOsm/L in a dehydrated person with normal kidneys and increased ADH levels
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TLS Online TPP Program

#Question id: 5093

#Unit 5. Developmental Biology

Which of the following is a result of gastrulation in animals?

I) The archenteron is formed.

II) The body axes are established.

III) The germ layers are formed.
TLS Online TPP Program

#Question id: 470

#Unit 1. Molecules and their Interaction Relevant to Biology

If glucose labeled with 14C in C-1 were fed to yeast carrying out the ethanol fermentation, where would the 14C label be in the products?
TLS Online TPP Program

#Question id: 14084

#Unit 1. Molecules and their Interaction Relevant to Biology

In DNA helix the angle at which the two sugars protrude from the base pairs (i.e., the angle between the glycosidic bonds) are 
A. 120
B. 36 
C. 240
D. 20
Choose the correct option?
TLS Online TPP Program

#Question id: 32354

#Unit 1. Molecules and their Interaction Relevant to Biology

In Glucokinase-driven glycolysis
1. ATP/ADP ratio which results in 
2. K+ channel opening 
3.  opening of Ca2+ channels 
4. secretion of insulin by the b-cells. 
In this way, the action of glucokinase in the b-cells results in glucose uptake.
Choose correct combination of true & false
TLS Online TPP Program

#Question id: 3384

#Unit 11. Evolution and Behavior

In a sample from an African population, the frequency of blood group allele IA, IB and IO were 0.30, 0.20 and 0.50 respectively. What is expected number of homozygous and heterozygous respectively when population size 1200?