Question # 1

Which of the following distinguishes meiosis from mitosis?

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The chromosome number is reduced

Chromosomes undergo crossing over

The daughter cells are genetically different from the parent cell.

All of the above

How many children born in each each minute in the world?

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100

150

180

200

The name of famous book written by Bu Ali Sina is.

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Al-Nabatat

Al Qanum fil Tib

Al Hyayyan

Al Wahoosh

............... metabolism is a major component stem & leaf growth.

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Nitrogen

Oxygen

Carbon

All

Blood circulation in humans being was first described by Muslim Anatomist ............... .

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William Harvey

Ibn-al-Nafees

Bu Ali Seena

Ibn Al Haitehm

At which point, is a biologist most likely to use reasoning?

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While talking observations

During hypothesis formulation

During data organization

None of these

"Omins Cellula e Cellula" is said by:

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Schleiden

Schwann

Dolland

RudolF Virchow

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

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1D

2D

3D

All

Which one of these is NOT a characteristic of a hypothesis?

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Must be consistent with all available data

Must be testable

Must be correct

Must make predictions

The movement of molecules against the concentration gradient is called:

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Diffusion

Passive transport

Active transport

Endocyosis

Ribisomes are constructed in the ___________

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Endoplasmic reticulum

Bucleoid

Nucleolus

Nuclear pore

The site for Calvin cycle is:

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Stroma

Grana

Plasmodesmata

Cytoplast

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

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