TLS Online TPP Program

#Question id: 950


Nitric oxide is formed from arginine. It is a messenger molecule with several functions that include all below except

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. macrophage activation.

  2. reacting with superoxide anions to form more toxic substances.

  3. constricting red blood cells.

  4. neurotransmitter in the brain.

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TLS Online TPP Program

#Question id: 10749

#Unit 10. Ecological Principles

Which of the following observation of above experiment set is correct?


A) First set of experiment, N1 and N2 species are coexist

B) Second set of experiment, N1 and N2 species are coexist

C) Second set of experiment, N1 will be win

D) First set of experiment, population growth of each species is limited more by intraspecific competition than by interspecific competition

TLS Online TPP Program

#Question id: 10750

#Unit 10. Ecological Principles

Which of the following correct this model?


TLS Online TPP Program

#Question id: 10751

#Unit 10. Ecological Principles

Possible interaction between populations in following manner ,which of the following best represent for negative ineteracion ?


TLS Online TPP Program

#Question id: 10752

#Unit 10. Ecological Principles

Which of the following is an example of Batesian mimicry?

A) a butterfly that resembles a leaf

B) a nonvenomous larva of a moth that moves like a venomous snake

C) a fawn with fur coloring that camouflages it in the forest environment

D) a snapping turtle that uses its tongue to mimic a worm, thus attracting fish

TLS Online TPP Program

#Question id: 10753

#Unit 10. Ecological Principles

Which of the following is correct combination? 


TLS Online TPP Program

#Question id: 10754

#Unit 10. Ecological Principles

Following is different type of interaction was shown in figure. (+: Benefit , - Harm , 0= Neither benefit nor harm) What is interaction between column A & B in each schematic?