Question # 1

.................. formation occurs in SER.

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Proeins

Lipids

Cellular

All

A testable statement is (a/an)

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Observation

Hypothesis

Theory

Law

krebs cycle occurs in ................. .

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Cytoplasm

Mitochondria

Lysosome

Nucleus

Nitrogen is present in:

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Carbohydrates

Protein

Nucleic acid

Lipids

Quantitative observations are considered more accurate than qualitative observation because quantitative are

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Invariable

Measurable

Recorded in terms of numbers

All of these

The movement of molecules against the concentration gradient is called:

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Diffusion

Passive transport

Active transport

Endocyosis

When a plant was kept in darkness for many days, many days, its leaves turned yellow. Why?

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Leaves could not get oxygen and so there was no photosynthesis

Leaves could not get light and so there was no respiration

Leaves could not get oxygen and so there was no respiration

Leaves could not get light and so there was no photosynthesis

There are _____________ million kinds of animals.

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0.5

1

1.5

2

Which mosquito spread malaria in birds.

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Anopheles

Culex

Anopheles & Culex

None of these

People who used mosquito nets suffered ____________ from malaria.

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More

Less

Both

None

The elements that makes 03% of the totla mass of living organisms is.

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Hydrogen

Carbon

Oxygen

Nitrogen

When did scientists become able to cut and unite DNA?

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1945

1924

1944

1970

The work of genetic engineering started in :

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1944

1955

1945

1943

At the end of a long food chian the energy will be.

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Will more

As same as at start

Will less

Zero

The type of symbiotic association in which partner gets benefits while ohter is neither benefited nor harmed is called.

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Commenaslism

Mutualism

Parasitism

Predation

Most of the gaseous exchange in a leaf occurs through:

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Stomata

General surface

Cuticle

Lenticels

All the alveoli of one side unite to form:

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Lung

Kidney

Thorax

Chest Box

A muscle which contract and straightens the joints called;

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Flexor

Receptor

Exrensor

Effector

Onion lily reproduce by:

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Blubs

Corms

Rhizomes

Stem tubers

The location of position of ganes on chromosomes is called.

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Loci

Alleles

Phenotypes

Genotype

Insulin is used by patient of which disease?

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Hepatitis

Cancer

AIDS

Diabetes

The current level of urbanization in Pakistan is about_____ which is not high by global standards.

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23%

32%

36%

39%

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