Practice Questions

TLS Online TPP Program

#Question id: 9157

At 15-30°N, air masses formed over the Pacific Ocean are moved by prevailing westerlies, where they encounter extensive north-south mountain ranges. Which statement best describes the outcome of this encounter between a landform and an air mass?

#Unit 9. Diversity of Life Forms

The cool, moist Pacific air heats as it rises, releasing its precipitation as it passes the tops of the mountains. This now warm and dry air cools as it descends on the leeward side of the range.
The warm, moist Pacific air rises and cools, releasing precipitation as it moves up the windward side of the range. This now cool and dry air mass heats up as it descends on the leeward side of the range.
The cool, dry Pacific air heats up and picks up moisture from evaporation of the snowcapped peaks of the mountain range, releasing this moisture as precipitation when the air cools while descending on the leeward side of the range.
These air masses are blocked by the mountain ranges, producing high annual amounts of precipitation on the windward sides of these mountain ranges

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TLS Online TPP Program

#Question id: 19305

#Unit 12. Applied Biology

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

TLS Online TPP Program

#Question id: 19306

#Unit 12. Applied Biology

35S promoter sequence is derived from which plant virus

TLS Online TPP Program

#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?

TLS Online TPP Program

#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

TLS Online TPP Program

#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_____.