Question # 1

Programmed cell death is called ............... .

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Apoptosis

Necrosis

Both a & b

None

Stomata close when the guard cells;

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Lose water

Gain chloride ions

Became turgid

Gain potassium ions

Which one of these is NOT a characteristic of a hypothesis?

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Must be consistent with all available data

Must be testable

Must be correct

Must make predictions

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

The fund event of interphase occurs with .............. .

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Replication of DNA

Replication of centriol

Movement of centriol

Both a & b

Cutting down of trees is known as:

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Habitat loss

Deforestation

Extinction

None of these

What may be the reason that children need more calcium and iron?

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Both calcium and iron for bones

Both calcium and iron for blood

Calcium for blood and iron for bones

Calcium for bones and iron for blood

The chromosomes are arranged along the equator of spindle in:

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Prophase

Telophase

Anaphase

Metaphase

Kingdom Monera include.

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Bacteria

Euglena

Fungi

Plants

The water and carbon dioxide are the ................ in photosynthesis.

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Reactants

Products

Both

None

____________ is believed to have died of malaria.

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Aristotle

Alexander

Laveran

Genghis khan

Which one is not related to protista?

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Algae

Protozoans

Bacteria

Fungi like organisms

How many children born in each each minute in the world?

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100

150

180

200

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