1.  rate of immigration, mortality rate, natality rate

2.  rate of emigration, natality rate, mortality rate

3.  mortality rate, natality rate, rate of immigration

4.  rate of immigration, natality rate, mortality rate

4
Correct Answer :

rate of immigration, natality rate, mortality rate


Explanation :
No Explanation available for this question

1.  social insects

2.  camouflage

3.  mullerian mimicry

4.  warning colouration

4
Correct Answer :

camouflage


Explanation :
No Explanation available for this question

1.  Interaction of water, air and clay under intense heat

2.  Effect of solar radiation of chemicals

3.  Possible origin of life by combination of chemicals under suitable environmental conditions

4.  Crystallization of chemicals

4
Correct Answer :

Possible origin of life by combination of chemicals under suitable environmental conditions


Explanation :
No Explanation available for this question

1.  Phyllium

2.  Kallima paralect

3.  Cryptoligthodes

4.  Papilio machaon

4
Correct Answer :

Kallima paralect


Explanation :
No Explanation available for this question

1.  Psammomere

2.  Xerosere

3.  Halosere

4.  Hydrosere

4
Correct Answer :

Psammomere


Explanation :
No Explanation available for this question

1.  No one is harmed

2.  Both the partners are harmed

3.  One partner is benefited whether another suffers

4.  One partner is benefited and other remains unharmed

4
Correct Answer :

One partner is benefited whether another suffers


Explanation :
No Explanation available for this question

1.  rN / dN = dt

2.  dN / dt = rN

3.  dt / dN = rN

4.  dN / rN = dt

4
Correct Answer :

dN / dt = rN


Explanation :
No Explanation available for this question

1.  a bi-modal likely to occur

2.  a T-shaped curve

3.  a skewed curve

4.  a normal distribution

4
Correct Answer :

a normal distribution


Explanation :
No Explanation available for this question

1.  Nodulation of Sesbania stems by N2 fixing bacteria

2.  Plant growth stimulation by phosphate-solubilising bacteri

3.  Cyanobacterial symbiosis with some aquatic ferns

4.  Gall formation on certain angiosperms by Agrobacterium

4
Correct Answer :

Gall formation on certain angiosperms by Agrobacterium


Explanation :
No Explanation available for this question

1.  A common species that has plenty of biomass, yet has a fairly low impact on the community's organization

2.  A rare species that has minimal impact on the biomass and no other species in the community

3.  A dominant species that consituties a large proportion of the biomass and which affects many other species

4.  A species which makes only a small proportion of the total biomass of a community, yet has a hung impact on community's organisation and survival

4
Correct Answer :

A species which makes only a small proportion of the total biomass of a community, yet has a hung impact on community's organisation and survival


Explanation :
No Explanation available for this question

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