Practice Questions

TLS Online TPP Program

#Question id: 12537

In terms of nutrient cycling, why does timber harvesting in a temperate forest cause less ecological devastation than timber harvesting in tropical rain forests?

#Unit 10. Ecological Principles

Trees are generally smaller in temperate forests, so fewer nutrients will be removed from the temperate forest ecosystem during a harvest.
Temperate forest tree species require fewer nutrients to survive than their tropical counterpart species, so a harvest removes fewer nutrients from the temperate ecosystem.
The warmer temperatures in the tropics influence rain forest species to assimilate nutrients more slowly, so tropical reforestation is much slower than temperate reforestation.
Typical harvests remove up to 75% of the nutrients in the woody trunks of tropical rain forest trees, leav- ing nutrient-impoverished soils behind.

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TLS Online TPP Program

#Question id: 14957

#Unit 6. System Physiology – Plant

the xylan backbone may be synthesized by a distinctly different group of synthases, including synthases named;

TLS Online TPP Program

#Question id: 23575

#Unit 8. Inheritance Biology

How much about the human genome consist of segmental duplications?

TLS Online TPP Program

#Question id: 19242

#Unit 12. Applied Biology

The GUS activity in transformed plant tissues can be localized by the presence of a blue color that is formed after the hydrolysis of the uncolored substrate

TLS Online TPP Program

#Question id: 17201

#Unit 13. Methods in Biology

Company A produces 10% defective products, Company B produces 20% defective products and C produces 5% defective products. If choosing a company is an equally likely event, then find the probability that the product chosen is defective...........

TLS Online TPP Program

#Question id: 12796

#Unit 10. Ecological Principles

In which of the following terrestrial biome pairs are both dependent upon periodic burning?