Practice Questions

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#Question id: 8927

Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that

#SCPH06 I Botany

arthropods have had more time to co-evolve with land plants than have vertebrates.
extant terrestrial arthropods are better adapted to terrestrial life than are extant terrestrial vertebrates.
ancestral arthropods must have been poorly adapted to aquatic life, thus experienced a selective pressure to invade land.
vertebrates evolved from arthropods.

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#Question id: 26905

#SCPH06 I Botany

The IUCN Red List is based on a set of criteria to evaluate species vulnerability to extinction. Which one or more of the options is/are used as criteria?

.Absolute population size

Geographic range

Change in population size over time

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#Question id: 9216

#SCPH28 | Zoology

Which of the following criteria have to be met for a species to qualify as invasive?

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#Question id: 284

#SCPH12 I Genetics

Which best describes the structure of a nucleosome core particle?

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#Question id: 15485

#SCPH05 I Biotechnology

Plasmid vector systems for cloning in which bacteria have been established, for amino acid production and related strains.

A. Corynebacterium

B. Micrococcus,

C. Brevibacterium,

D. Microbacterium

Choose the correct option.

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#Question id: 18668

#SCPH01 Biochemistry

Enzymes and antibody can easily be detected in samples subjected to electrophoresis on cellulose acetate, by using the