Most terrestrial ecosystems have a pyramidal structure of where biomass of producers > primary consumers > secondary consumers > tertiary consumers. However, some aquatic ecosystems have an inverted pyramidal structure where the standing biomass of producers < primary consumers. An explanation for this is:

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#Question id: 19305

#Unit 12. Applied Biology

If 35S promoter is fused with Adh-I introns sequences ensures

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#Question id: 19306

#Unit 12. Applied Biology

35S promoter sequence is derived from which plant virus

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#Question id: 19307

#Unit 12. Applied Biology

Use of constitutive promoters to produce transgenic plants offers certain advantages.

(1) They can be used to drive reporter genes

(2) They are essential in proteins that are required in all tissues

(3) They are useful in driving transcription factors that are involved in transcription regulation

Mark the option with all correct statements?

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#Question id: 19308

#Unit 4. Cell Communication and Cell Signaling

Match the following;

Column A	Column B	Column C
A) Attack strategy	i) Secreted cell wall‐degrading enzymes   ii) Intimate intracellular contact with plant cells   iii) Initial biotrophic phase	a) Necrotrophy
		b) Biotrophy
B) Host range	iv) Intermediate   v) Narrow   vi) Broad	c) Hemibiotrophy

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#Question id: 19309

#Unit 4. Cell Communication and Cell Signaling

What is the role of fusicoccin?

a) reversibly opening of stomata

b) Plant wilting

c) tumour formation

d) Apoptosis of tissue

TLS Online TPP Program

#Question id: 19310

#Unit 4. Cell Communication and Cell Signaling

Fusicoccin opposed the role of _____I______ and mimic the role of____II_____.