Question # 1

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

_______________ are present in mitochondria .

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Cristae

Cistae

Cristernae

All

The cells used for secretion of hormones are:

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Muscles cells

Nerve cells

Grand cells

RBCs

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

Fungi cannot be placed in plantae kingdom because:

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Fungi lack cell wall

Fungi lack root, stem and leave

Fungi lack chlorophyll

Fungi do not store food

Which of the following chambers has the thickest walls in human heart?

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Right atrium

Left atrium

Left ventricle

Right ventricle

Who used the term enzyme first time?

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Oscar Hertwing

Winhelm kuhne

W-Flemming

T.H.Morgan

Closely related genera are grouped into ____________

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Family

Species

Order

Phyla

Photosynthesis is a .............. process.

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Constructive

Destruction

Both

None

During rain the rate of transpiration is ............. .

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Minimum

Maximum

Both

None

Chloroplast helps in _______________

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Photosynthesis

Respiration

Brething

Digestion

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Biology 9th Class English Medium Online Test MCQs With Answers

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