Practice Questions

TLS Online TPP Program

#Question id: 11406

Which of the following is true for a critically endangered species?

#Unit 10. Ecological Principles

Reduction in population size is greater than 90%; estimated extinction risk at least 80% in 10 years; area of occupancy less than 10 km^2 generations
Reduction in population size is greater than 90%; estimated extinction risk at least 50% in 10 years; area of occupancy less than 100 km^2 generations
Reduction in population size is greater than 90%; estimated extinction risk at least 50% in 10 years; extent of occurrence less than 10 km^2 generations
Reduction in population size is greater than 90%; estimated extinction risk at least 50% in 10 years; area of occupancy less than 10 km^2 g

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TLS Online TPP Program

#Question id: 4885

#Unit 8. Inheritance Biology

In watermelons, bitter fruit (B) is dominant over sweet fruit (b), and yellow spots (S) are dominant over no spots (s). The genes for these two characteristics link at 30 map unit. A homozygous plant that has bitter fruit and yellow spots is crossed with a homozygous plant that has sweet fruit and no spots. If an F1 plant is backcrossed with the sweet fruit, no spot parent, what are the phenotypes ratio expected in the their offspring

TLS Online TPP Program

#Question id: 28666

#Unit 2. Cellular Organization

Which of the following cohesin-associated factor involves to stabilization of cohesins in vertebrates?

TLS Online TPP Program

#Question id: 23968

#Unit 8. Inheritance Biology

Deletion in long arm of chromosome number 15, that leads to cause syndrome;

TLS Online TPP Program

#Question id: 11603

#Unit 6. System Physiology – Plant

Several important role promotes GA in the plant except____