Question # 1

When we add more substrate to an already occuring enzymatic reaction and there is no increase in the rate of reaction, what would you predict?

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All actives sites have been occupied by substrate molecules

The enzyme molecule have denatured

More substrate acted as inhibitor

More substrate has disturbed has disturbed the pH of the medium

The founder of Medicine

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Jabir bin Hayan

Al razi

Bu Ali sina

Aristotle

According to (UNICEF), how many children of under age five died by malnutrition?

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4 million

5 milion

6 million

None

............... is a great stabilizer of body temperature.

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Carbon

Nitrogen

Water

None

................ is similar to mitosis.

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Meiosis I

Meosis II

Interphase

G-phase

............... is abbreviated from Adenosine Tri Phosphate.

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ATP

ADP

AMP

All

Cytokineses in a plant cell is characterized by:

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The equal division of homologous chromosomes

A pinching off a cell membrane to divide the cell

The formation of a cell plate in the cytoplasm

The movement of the chromosomes from the metaphase plate

Smooth endoplasmic reticulum is the area in a cell where_______are synthesized.

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Polysaccharides

Proteins

Lipids

DNA

...................... Is the ability of microscope to distinguish as separate and distinct objects that lie in close proximity.

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Magnification

Resolution

Both a and b

None

Which of the following stage of cell division is very different for animal and plant cells?

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Telophase

Metaphase

Anaphase

Cytokinesis

................ occurs in somatic cells.

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Meiosis I

Meiosis II

Mitosis

None

When stomatal opening reduce in sixe, the rate of transpiration ............... .

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Transpiration

Transcription

Translation

Allof above

The molecule that fits the active sites that is called:

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Substrate

Enzyme

Catalyst

All

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9th Class Biology English Medium KPK Boards Online Mcqs MCQs With Answers

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