Lecturer Zoology MCQs |

Lecturer Zoology Solved Important MCQs Online Test No. 70

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Test Instructions:-
Test Name	Lecturer Zoology
Subject	Zoology Test 70
Test Type	MCQs
Total Questions	25
Total Time	20 Minutes
Total Marks	100

You have 20 minutes to pass to the quiz.

Lecturer Zoology Online Test No. 70

1 / 25

When two different extreme phenotypes are simultaneously favored, the population may exhibit two very different phenotypes. This type of quantitative selection is called?

Monomorphic selection

Disruptive selection

2 / 25

An adaptation is___.

An individual's attempt to conform to its environment.

A trait that confers a reproductive advantage on the individual possessing it

The cause of natural selection

A trait that is quickly integrated into a population.

3 / 25

Darwin used which of the following terms to denote the selection of traits that are advantageous for obtaining mates but may be harmful for survival?

Relative fitness

Sexual selection

Allelic selection

Hardy-Weinberg equilibrium

4 / 25

The chance fluctuation in allelic frequency from one generation to the next, including the loss of alleles from the population, is called?

The chance fluctuation in allelic frequency from one generation to the next, including the loss of alleles from the population, is called?

Nonrandom mating

Inbreeding

Migration of alleles

5 / 25

Which of these is a consequence uniformitarianism?

Earth is round, not flat.

Populations evolve.

Populations reproduce faster than their food supply.

Earth is old

6 / 25

How many finch species did Darwin send to the British Museum?

7 / 25

Which of the following statements if any, cannot be supported by evidence?

Which of the following statements if any, cannot be supported by evidence?

Natural populations normally remain constant in size, except for minor fluctuations.

Natural resources are limited

All of the above are supported by evidence

8 / 25

The Galápagos Islands are cooled by the___.

Equatorial Countercurrent

Humboldt Current

Monsoon Drift

Gulf Stream

9 / 25

The production of ecologically diverse species from a common ancestral stock is called:

Adaptive radiation

Gamma radiation

The Galapagos effect

10 / 25

Biological features that prevent different species from interbreeding are called?

Phenotypic barriers

Reproductive barriers

Systematic barriers

Evolutionary barriers

11 / 25

The Galapagos Islands are located___.

In the Arctic

In the Antarctic

Off the coast of California

On the equator

12 / 25

Current debates about the number and boundanes of the kingdoms of life center mainly on which groups of organisms?

Plants and animals

Plants and fungi

Prokaryotes and relatively simple eukaryotes

Fungi and animals

13 / 25

Which of the following is not correct?

Darwin's theory of gradualism opposed arguments for the sudden origin of species.

New traits are always produced by phenotypic gradualism

Phenotypic gradualism is not often revealed by the fossil record

All of the above are correct

14 / 25

His experiences with Fuegians and slavery convinced Darwin that differences among all peoples are primarily___ differences.

Cultural

Genetic

Cultural and genetic

Height

15 / 25

The wing of a bat is homologous to the___of a whale.

Tail

Blowhole

Rib cage

Flipper

16 / 25

Species in hot climates tend to___ compared to species in cold climates.

Experience less interspecific competition

Have larger surface-to-volume ratios

Have smaller surface-to-volume ratios

Be less colorful

17 / 25

The Argentinean pampas are a type of---------.

Chaparral

Grassland

Temperate deciduous forest.

Tropical forest

18 / 25

Darwin's thinking while on the Beagle was greatly influenced by his reading of a book written by-------.

Bishop Ussher

Chaucer

Lyell

Wallace

19 / 25

Macroevolution, or evolution on a grand scale. encompasses the origins of new organismal structures and designs, but may also include which of the following:

Evolutionary trends

Adaptive radiation

Phylogenetic relationships of species

All of the above are correct

20 / 25

Different allelic forms of genes encode proteins that may differ slightly in their amino acid sequence. This phenomenon is called?

Protein polymorphism

Heterozygosity

Quantitative variation

21 / 25

At the fossil site at Punta Alta. Darwin found evidence___.

That the pampas could support large mammals.

Extinction does not happen

Of extinction

That Brazilian flatworms were a type of slug

22 / 25

Which of the following represents a probable order of evolution of prelife components on Earth?

Protobionts before mitosis

Amino acids and sugars after the corresponding polymers.

DNA before RNA

23 / 25

Which researcher proposed the idea that unused parts of the body will deteriorate?

Darwin

Larmack

Lyell

Cuvier

24 / 25

Periodic, sometimes catastrophic, events in which extinction rates increase dramatically are called:

Mass extinctions

Macroevolution

25 / 25

Patagonia is a____.

Grassland

Savanna

Tropical forest

Desert

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