Question # 1

At which point, is a biologist most likely to use reasoning?

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While talking observations

During hypothesis formulation

During data organization

None of these

Cells of _______________. tissues are flattened and irregular in shape.

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Epidermal

Ground

Supporting

Collenchyma

A gardener sees a large snake nearby. he knows generally snakes sting, so the gardener ran away. The gardener did which of the following?

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Used reasoning

Used observation

Constructed a theory

Tested a hypothesis

Leukemia is a disease in which leucocytes increase ...................... .

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Normally

Abnormally

Both

None

A cubic milimeter blood of male contains RBC:

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5 - 5.5 million

4-4.5 million

3-4 million

None of the above

Chromosomes become double during:

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G₁

G₂

G₀

S phase

Which event distinguishes meiosis form mitosis?

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Condensation of chromosomes

Loss of the nuclear membrane

Formation of metaphase plate

Pairing of homologous chromosomes

Rough endoplasmic reticulum is the area in a cell where_______are synthesized.

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Saccharomyces

Proteins

Lipids

DNA

The green portion is minaly reflected therefore chlorophull appears .............. .

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Green

Blue

White

Black

ATP has ........... phosphate group.

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Two

Three

Four

Five

A.F.A King supported his hypothesis by about ____________ observation.

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10

15

20

25

Diffusion is a _______________ process.

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Slow

Fast

Both

None

................ is an asymptomatic condition.

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Osteoporosis

Osteoarthritis

Osteocalcacemir

None

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