Question # 1

During celll division spindle fibres attach a chromosome at.

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Telomere

Centromere

Upper arm of chromosomes

Lower arm of chromosome

The shape of normal red blood cells is.

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Oval

Biconcave

Biconvex

Cresent

How eill you differentiate between monosaccharides and polysaccharides.

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Polysaccharides dissolve easily

Monosaccharides are single sugar

Polysaccharides are sweet in taste

Monosaccharies are present in plant cell wall

Primarily, all enzymes are.

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Proteins

Nucleic acids

Carbohydrates

Lipids

Chromosomal number of fruit fly is 8 The gametes of fruit fly contain.

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2 Chromosomes

4 Chromosomes

8 Chromosomes

16 Chromosomes

When we get energy from ATP, which bonds are broken.

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P-P bonds

C-N bonds

C-H bonds

C-O bonds

Which sub cellular organelle plays a crucial role in energy production within the cell?

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Endoplasmic Reticulu

Golgi apparatus

Lysosomes

Mitochondria

Which of the following cell organeles does not contain DNA.

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Nucleus

Chloroplast

Lysosomes

Mitochondria

Root hairs absorb salts from soil by

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Diffusion

Filtration

Active transport

Osmosis

At which level of organization gas exchagne occurs between body and environment.

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Oganelle level in mitochndria

Organ system level in the respiratory system

Cellular level in alveolar cells

Tissue level in epithelial tissues

The loss of wate int he form of drops from tips of leaf is called.

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Evaporation

Excretion

Guttation

Transporation

Th organims that feed on dead, decaying matter are called.

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Heterotrophs

Saprotrophs

autotrophs

Parasites

"We made every living thing from water". Yhid btdr id gtom ehivh duts og Holy Quran?

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Al -Rehman

Al-ambia

Al -Noor

Al-Mominoon

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