Question # 1

Armadillos, the armored mammals live only in

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Africa

America

Europe

Asla

In Meselson ansd stahl experiment, the DNA from sample at 20 minutes, after centrifugatioon it made sediments at the :

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Top

Bottom

Intermediate

Top & intermediate

In natural selection, the environment plays role affecting the proportions of gene in .

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Population

Community

Area

Blome

In eukaryotic mRNA molecule there are 90 nucleotide involved in translation process. What is the number of amino acid in the protein formed by this mRNA molecules?

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29 Amino acids

30 Amino acids

45 Amico acids

90 Amino acids

If the amount of adenine in DNA of a bacterial cell is 36% of the total nitrogenous bases, what will be the amount of guanone in the DNA of a cell in next generations:

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14 %

28 %

36 %

64 %

The armored mammal that lives only in America is the.

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Armadillo

Echidna

Pengun

Pelvis and leg bones

Alfred wallace developed a theory of natural selection essentially.

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Linnaeus's

Darwin's

Mendel's

Lamark's

The total aggregate of genes in a population at any one time is called the populations gene

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Puddle

Lake

Pool

Pond

The most threatened areas on the earth have been reduced to 44% of their original extent are

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Tropical rain forests

Temperate rain forests

Carbiniferous forests

Deciduous rain forests

Which one of the fllowing acts as a stop codon?

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UGG

UGC

UAG

UGU

Flagella may have arisen through the ingestion of prokaryotes similar to spiral shaped bacteria called.

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E. Coli

Streptococcus

spirochete

Rhizobium

Among the birds Drawin collected 13 types of

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Finshes

Robins

Ferrets

Pterodactyls

In Griffith experiment mice developed pneumonia when they were injected with:

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R-type bacteria

Heat killed S-type bacteria

Heat killed R-type bases

Heat killed S-type becteria along with live R-type becteria

Armadillos the armoured mammals live only in the

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Africa

America

Europe

Asia

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Biology Fsc Part 2 Chapter 10 Online Test MCQs With Answers

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