Biology - General Knowledge Questions and Answers

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During rainy season wooden doors are difficult to open or closure because of ?

Imbibition

Plasmolysis

Diffusion

Osmosis

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Which statement concerning the diagnosis of ADHD is true?

Boys are more likely to be diagnosed with ADHD than girls

Most children "outgrow" symptoms of ADHD

About 20 percent of school-age children are diagnosed with ADHD

Racial minority status is a good predictor of being diagnosed with ADHD

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According to Erikson, the goal of adolescence is to

Independent identity

Explore who they are

Both a & b

None of the above

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Which one of the following weeds is effective in controlling water pollution caused by industrial effluents?

Parthenium

Elephant grass

Water hycinth

Mogar grass

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Lichens are the best indicator of

Air pollution

Water pollution

Soil pollution

Noise pollution

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Which one of the following processes takes place in lakes during eutrophication?

Rapid destruction of algal growth

Excessive availability of dissolved oxygen

Loss of dissolved nutrients from water

Excessive entry of nutrient into water

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Which organelles supply energy to the cell?

Mitochondria

Cytoplasm

Ribosomes

None of the above

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Who of the following is known as the Father of Biology?

Darwin

Lamarck

Aristotle

Theophrastus

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Which is not a function of the cell membrane?

Helps substances pass from the cytoplasm into the nucleus

Keeps materials within the cell separated from the environment outside the cell

Helps control the movement of materials into and out of the cell

Allows the cell to change shape under pressure