Question # 1

Which of the following is a function of human blood?

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It regulates body temperature

It transports wastes

It provides defence

All of the above

Transmission electron Microscope is the type of :

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Electron microscope

Simple microscope

Both a and b

None

There are _________ P-bonds in an ATP molecule.

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Two

Nine

Six

Four

Chemically synthesized urea is a ____________ fertilizer.

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Organic

Inorganic

Both

None

Electron beam is used in

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SEM

TEM

Both

None

Which of these cellular organelles have their own DNA?

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Chloroplast

Nucleus

Mitochondria

All of these

There are about ____________ different kind of vertebrates on earth.

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12,000,00

47,000

12,000

47,500

The site for Calvin cycle is:

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Stroma

Grana

Plasmodesmata

Cytoplast

Unicellular is.

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Rabbit

Euglena

Horse

Frog

Scientific name of pea plant is.

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Dilbergia Sisso

Pisum indicum

Homosaplens

pisum Sativum

A cell hydrolyses ATP to ADP & inorganic phosphate & almost .............. Kcal energy is released.

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7.3 Kcal

7.4 Kcal

7.2 Kcal

7.5 Kcal

An example of endoparasite :

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Mosquitoes

Leech

Lice

Plasmodium

Enzyme is used to cut the adentified gene from the total DNA of Donar organism is:

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Endonuclease

Ligase

Restriction endonuclease

Amylase

All populations collectively are called:

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Species

Biome

Community

Ecosystem

Reproducing a new plant form any part of a plant is:

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Parthenogenesis

Cutting

Grafting

Tissue culture

Drug derived from minerals.

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Morphine

Aspirin

Antitoxin

Tuncher iodine

Play role is maintaning body temperature.

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Lungs

Skin

kidneys

Ear

Which of the following organisms are decomposers?

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Fungi

Algae

Bacteria

Both a and c

Smoking may also lead to the cancers in:

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Kidneys and pancreas

Oral cavity and larynx

Breast and bladder

All of them

The length of trachia is __________ cm approximately:

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10

12

14

16

The rise of the bread is due to;

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carbon dioxide

ethanol

acetaldehyde

pyruvic acid

Cutting of walls of Alveoli called:

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Pneumonia

Emphysema

Bronchtis

Asthama

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