TLS Online TPP Program

#Question id: 31415


A woman taking atropine for a gastrointestinal disorder notices that her pupils are dilated. This occurs because atropine blocks __________ receptors on the __________ muscle of the iris.

#Unit 7. System Physiology – Animal
  1. Nicotinic; Dilator
  2. Alpha-1; Sphincter
  3. Muscarinic; Sphincter
  4. Beta-2; Ciliary
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TLS Online TPP Program

#Question id: 3425

#Unit 11. Evolution and Behavior

Many evolutionary forces are operating in population. In study, within population increase genetic variation due to -----A-----while decrease genetic variation due to ------B-----. Between populations increase genetic variation due to -----C-----while decrease genetic variation due to ------D-----.

TLS Online TPP Program

#Question id: 3426

#Unit 11. Evolution and Behavior

Fitness of three different genotypes is given in population I and II, under natural selection which of the following statement are correct?

TLS Online TPP Program

#Question id: 3427

#Unit 11. Evolution and Behavior

Natural selection can alter the frequency of distribution allele and heritable trait in different following way

A- Accumulation of those mutation that increase fitness of population in changing environment

B- Check accumulation of mutation that lower the fitness of species in unchanging environment

c- occur when population is subjected to divergent selection

TLS Online TPP Program

#Question id: 3428

#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 frequency of A and B blood group respectively when population size 1000?

TLS Online TPP Program

#Question id: 16204

#Unit 11. Evolution and Behavior

Evolution of different characters at different rates within a lineage called as?

TLS Online TPP Program

#Question id: 16961

#Unit 11. Evolution and Behavior

Which statements is not true for Divergent evolution?