Question # 1

The kinds of plants found in earth :

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0.1 million

0.3 million

0.5 million

1.0 million

What is True about enzymes?

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They make biochemical reactions to proceed spontaneously

They lower the activation energy of a reaction

They are not very specific in their choice of substrates

They are needed in large quantities

The connection between stomach & esophagus is called ............. sphincter.

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Cardiac

Muscular

Both

None

Viruses are assigned to the kingdom:

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Monera

Protista

Fungi

None of these

Famous book of Jabir -Bin -Hayan is.

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Al-Kheil

A- Washoosh

Al-Nabata

Al- Abil

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

In which organism colonial organization present in the following.

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Amoeba

Paramesium

Euglena

Volvox

The scientific name of wolf is _____________

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Canis leo

Canis domestica

Canis lupus

Canis religiosa

Plants form beneficial relationships with soil bacteria fungi in order to:

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Avoid diseases

Absorption of minerals

Transpire more water

All of these

Blood is composed of ................. parts.

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One

Two

Three

fOUR

Which mosquito spread malaria in birds.

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Anopheles

Culex

Anopheles & Culex

None of these

How many molecules of CO₂ are produced when krebs cycle operates once?

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01

02

03

06

................ occurs in somatic cells.

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Meiosis I

Meiosis II

Mitosis

None

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