Practice Questions

TLS Online TPP Program

#Question id: 12614

A small population of white-footed mice has the same intrinsic rate of increase (r) as a large population. If everything else is equal,

#Unit 10. Ecological Principles

The large population will add more individuals per unit time.
The small population will add more individuals per unit time.
The two populations will add equal numbers of individuals per unit time.
The J-shaped growth curves will look identical.

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TLS Online TPP Program

#Question id: 23728

#Unit 8. Inheritance Biology

Which of the following can be attributed to genetic and environmental influences?

TLS Online TPP Program

#Question id: 23729

#Unit 8. Inheritance Biology

Meristic characteristics___

TLS Online TPP Program

#Question id: 23730

#Unit 8. Inheritance Biology

The susceptibility exceeds a threshold value, the characteristic is expressed is,

TLS Online TPP Program

#Question id: 23731

#Unit 8. Inheritance Biology

Which one of the following statements is INCORRECT?

TLS Online TPP Program

#Question id: 23732

#Unit 8. Inheritance Biology

According to this figure, which of the following statements is correct;

a) The genotype affects plant weight, but the environmental conditions determine which genotype produces the heavier plant.

b) The environmental conditions affects plant weight, but the alleles determine which type of genotype produces the heavier plant.

c) It shows the Genetic–environmental interaction variance

d) It shows only environmental variance (Ve)

TLS Online TPP Program

#Question id: 23733

#Unit 8. Inheritance Biology

Phenotypic variation is analyzed for milk production in a herd of dairy cattle and the following variance components are obtained: Additive genetic variance= 0.4, Dominance genetic variance= 0.1, Genic interaction variance= 0.2, Environmental variance= 0.5, Genetic−environmental interaction variance= 0.0, the heritability (H2) of milk production is___