Question # 1

Emphysema is the breakdown of

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Trachea

Bronchi

Alveoli

Bronchioles

The number of edible mushroom species are about.

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100

200

300

400

Tests of foraminifera, are made up of.

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Silica

Calcium

Chitin

Magnesium

The percentage of calcium is human body is

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1%

2%

3%

4%

The length of jejunum is about.

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2.8 m

2.4 m

1.4 m

2 m

Bacterial membrane also contain enzyme for

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Respiration

Photosynthesis

Protein synthesis

None of the above

Accessory photosynthetic pigment xanthophyll's are

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Green in colour

Red in colour

Yellow in colour

None of these

Lenticels are aerating pores formed in the

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Endodermis

Epidermis

Pericycle

Bark

Total photosynthesis is carried out by the terrestrial plants in about.

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15%

10%

20%

22%

The interval of time until the completion of next division is known as.

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Interphase

Generation time

Reproductive time

Growth

Rust disease is caused by.

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Puccinia

Ustilago

Rhizopus

Yeast

When cross section of centriole is observed it shows as it consists of.

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9 microtubules

3 microtubules

11- microtubules

6- microtubules

The animals without a body cavity are called.

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Eumetazoa

Pseudocoelomata

Coelomata

Acoelomata

The most abundant organic compound mammalian cell.

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Water

Lipids

Proteins

Carbohydrates

Which of the following is not extinct member.

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Horneophyton

Psilotum

Psilcophyton

Cooksonia

The citric acid cycle

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Takes place in the mitochondrion

Produces two molecules of NAD⁺for every glucose molecule processed

It is same as fermentation

Has no connection with the respiratory chain

A unicellular, non motile a green alga is

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Volvox

Ulva

Chlorella

Kelps

Breakdown of Alveoli of lungs is called.

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Asthma

Lungs cancer

Emphysema

Tuberculosis

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