Question # 1

viruses are not affected by ____________

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PH

Acidity

Antibiotics

High temperature

The process of breaking down large droplets of fat into small droplets of fat is called:

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Emulsification

Absorbtion

Peristalsis

Digestion

the failure of replicated chromosomes to separate during meiosis is ............... .

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Disjunction

Non-disjunction

Both a & b

None

The chloroplast functions in ___________

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ATP synthesis

Protein synthesis

Photosynthesis

DNA replication

P.Sativum is the scientific name of:

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Onion

Pea plant

Mustard plant

Fungi

which of these does not represent unicellular organization.

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Amoeba

volvex

Bacteria

Paramecium

Zaccharia Janssen and Hans Janssen were two ___________ eye glass makers.

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German

Dutch

British

America

Which event distinguishes meiosis from mitosis?

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Condensation of chromosomes

Loss of the nuclear membrane

Formation of metaphase plate

Pairing of homologous chromosomes

Trypsim acts on ............. .

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Protein

Carbohydrates

Vitamin

Lipids

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

Prior to cell division, each chromosome replicates or duplicates its genetic material. The products are connected by a centromere and are called:

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Sister chromosomes

Homologous Chromosomes

Non-sister chromatids

Sister chromatids

No of steps of biological method are

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Six

Seven

Two

Eight

Micro filaments are made of:

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Tubulin protein

Lipids

Carbohydrates

Actin protein

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