Question # 1

Simple tissues have _______________ types.

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1

2

3

4

Crossing occurs during ..................... .

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Meiosis

Mitosis

Meiosis II

None

Doforestation by uncontrolled cutting of trees means danger of _____________

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Green House effect

Soil erosion

Both a& b

None

Vitamin which acts as co-enzyme is:

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Vitamin A

Vitamin K

Riboflavin

All of these

The Scientific name Brasica Compestris is for the plant.

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Mango

Mustard

Apple

Melon

A scientific law is an irrefutable:

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Observation

Theory

Principle

None of these

Which one of the following convert lipids to fatty acids?

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Protease

Lipase

Both

None

Capillaries are ............ micrometer in diameter.

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7-8 micrometer

8-10 micrometer

8-14 micrometer

7-10 micrometer

Data are of ____________ types.

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1

2

3

4

Scanning electron microscope gives .................. image.

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1D

2D

3D

All

Data may consist by :

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Number

Words

Images

All

The examples of hings joints are:

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shoulder joints

knee and elbow joints

arm and shoulder joints

neck joints

What percentage of oxygen inhaled form air during breathing?

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21%

22%

23%

24%

Alternatives forms of a gene are called:

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Allele

DNA

Chromosome

Gamete

It is a Hallocinogen:

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Marijuana

Aspirin

Morphine

Codeine

Interferons are...................... Proteins.

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Antibacterial

Antiviral

Antifungal

Antidrugs

The points of attachment of genes on chromosomes are called.

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Transcription

Translation

Loci

Phenotype

When did scientist become able to cut and unite DNA?

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1945

1924

1944

1970

In which type of the following reproduction ways, buds are formed:

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Regeneration

Fragmentation

Budding

Binary fission

Copies of chromatids of chromosomes are made through the process called.

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Inheritance

Transcription

Translation

Replication

Double fertilization in plants means:

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Fusion of two sperm with two egg cells.

Fusion of one sperm with egg cell and other sperm with fusion nucleus

Fusion of two sperm with single egg cell

Fusion of tube nucleus with fusion nucleus and sperm egg cell

What is the function of the ureter?

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To store urine.

To carry urine from the kidney to the bladder

To carry urine out of the body

To remove waste from the blood

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