TLS Online TPP Program

#Question id: 9185


Plants are affected by an array of pathogens. Which of the following is a plant defense against disease?

#Section 2: Evolution
  1. cells near the point of infection destroying themselves to prevent the spread of the infection
  2. production of chemicals that kill pathogens
  3. acquiring gene-for-gene recognition that allows specific proteins to interact so that the plant can produce defenses against the pathogen
  4. All of the above are plant defenses against disease.
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TLS Online TPP Program

#Question id: 12121

#Section 4: Behavioural Ecology

Zoonotic disease

TLS Online TPP Program

#Question id: 12124

#Section 4: Behavioural Ecology

Which of the following describes the relationship between ants and acacia trees?

TLS Online TPP Program

#Question id: 12126

#Section 4: Behavioural Ecology

Which of the following describes a successional event in which one organism makes the environment more suitable for another organism?

TLS Online TPP Program

#Question id: 3496

#Section 4: Behavioural Ecology

Which of following favor adaptations for polygynous mating in species?

a. Male competition

b. Female competition

c. Male choice

d. Female choice

TLS Online TPP Program

#Question id: 3502

#Section 4: Behavioural Ecology

Sexual dimorphism (SD) is a pattern that is seen throughout the animal kingdom and differences between the sexes in coloration are common in many organisms. Following some statement are given

A) There are many mechanisms that drive the evolution of SD, the most accepted mechanism being sexual selection

B) Mate choice is an important proximate mechanism of sexual selection, often the sex with the higher reproductive investment is the ‘choosy’ sex

C) Larger species are more sexually dimorphic than smaller species

D) Terrestrial species tend to be more sexually dimorphic than arboreal species

Which of the following above statement is correct?

Which one of the following is correct?

TLS Online TPP Program

#Question id: 11403

#Section 5: Applied Ecology & Evolution

Several categories of risk of species extinction have been defined. A species can be determined as critical endangered if there is considered to be