Question # 1

Which of the following structure is absent in animals?

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Spindle

Centrioles

Chromatids

Phragmoplant

The phase which can exist for life is:

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G₀

G₁

G₂

S phase

Modern classification (binomial nomenclature) is based on the work of:

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Caesalpino

John Ray

Tournefort

Carolous Linnaeus

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

Carbon Dioxide is almost .......... percent in air.

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0,01

0.3

0,03

0.1

Nuclei of human cell contain ............ autosomes.

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23 pairs

22 pairs

12 pairs

14 pairs

In every proportion of two ratios are

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Two terms

Three terms

Four terms

Five terms

Nitrogen is present in:

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Carbohydrates

Protein

Nucleic acid

Lipids

____________ is the basis and smallest unit of classification.`

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Family

Order

Species

Genus

Which of the following chemical is used to identify the starch in leaves?

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KOH

KHCO₃

Ethanol

Iodine solution

The Molecule which have low molecular weight are called.

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Macromolecules

Micromoleules

Organic Molecules

In organic Molecules

What is greatest threat to biodiversity on this planet?

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Habitat loss

Deforestation

Overpopulation

B and C

In Pakistan there are about _____________ kinds of plants.

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3000

4000

5000

6000

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