Question # 1

Amino acids are arranged in proper sequence during protein synthesis according to the instruction transcribed on

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Transfer RNA

Ribosomal RNA

Messenger RNA

DNA

Family Roasceae has ...... genera in Pakistan

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27

29

30

31

Which one of following is not a polysaccharide.

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Chitin

Cutin

Pectin

Dextrin

Competitive inhibitors

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Destroy the structure of enzyme

Resemble structurally with substrate

Do occupy active site

Both b and c are correct

All fungal nuclei are haploid except for transient diploid.

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spores

Zygota

Conidia

Zygospores

Oxygen content of fresh air are

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200 ml/litre

10 ml/ litre

100 ml / litre

150 ml / litre

Fern prothallus is

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sporophyte

saprophyte

Gametophyte

Seed

Temperature causes closure of stomata.

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30-40 ^oC

30-35^oC

40-45^oC

25-35^oC

Brush like arrangement of its conidia characteristic of.

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Rhyisopues

Penicillium

Ustilago

Agrees

The fungi which obtain their food from organic matter are called.

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Saprotophs

Autotrophs

Heterotrophs

Parasites

Cell membrane is chemically composed of proteins.

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10 -20 %

20- 30%

40-50 %

60-80%

Lovastain is used for lowering blood

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Pressure

Glucose

Cholesterol

Neraspora

The cell wall of fungus contains.

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Cellulose

Chitin

Calcium carbonate

None of these

Absorption of blue light is maximum at

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430 nm

550 nm

750 nm

670 nm

Plasma proteins in the blood are about

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7-9%

9-11%

11-13%

0.9%

Accessory photosynthetic pigment xanthophyll's are

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Green in colour

Red in colour

Yellow in colour

None of these

Ferns belong to the group

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Sphenopsida

Lycopsida

Psilopsida

Filicinae

An enzyme reacts only with its specific.

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Surface

Product

Substrate

Inhibitor

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Biology Fsc Part 1 Online Test MCQs With Answers

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