Question # 1

Shape of the plant cell does not change greatly compared with an animal cell because it is surrounded by a rigid

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Cell membrane

Capsule

Sheath

Cell wall

Full cell cycle in yeast cells has length of.

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30 minutes

60 minutes

90 minutes

124 minutes

A dominant plant of the deciduous forest is the

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Cactus

Acacia

euphorbia

Taxusbaccata

What are the penotypes of the parent of a colour-blind son and non-carries daughter with normal colour vision?

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FATHER MOTHER

Carrier Normal

FATHER MOTHER

Colour blind Carrier

FATHER MOTHER

Normal Carrier

FATHER MOTHER

Normal Colour- blind

There are__ muscles in the human body., most of which occur in pairs.

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650

630

660

645

Programmed and organized death of cell is known as.

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Apoptosis

Cancer

Necrosis

Metastasis

Angular thickenings in their primary walls are present in.

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Parenchyma

Collenchyma

Tracheids

Sclernchyma

The first restriction enzyme was isolated by.

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Kary mulis

Hamilton O smith

Maxam Gilbert

Sanger

The incidence of calcium oxalate type stones are.

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40%

50%

60%

70%

The condition in which biennial and perennial plants are stimulated to flower by exopod to low temperature is called.

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Photoperioclism

Vernalization

Apomixis

Partheiogenesis

Soilerosion, fire and water percolation down through the soil cause loss of.

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Sulphates

Carbonates

Phosphates

Nitrates

Rain that falls on high areas such as mountains possesses large amount of garvitational

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Heat energy

Kinetic energy

Electrical energy

Potential energy

End product of hemoglobin breakdown is.

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Uric acid

Urea

Bilirubin

Ammonia

A chromosome with equal length of its arms.

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Acrocentric

Metacentric

sub meta centric

Telocentric

Buoyancy in the water is maintained by a specialized structure in bony fish called

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Fins

Swim bladder

Tail

Both a & c

Organisms that have had a foreign gene inserted into them are called.

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Transgenic organisms

Polygenesis

Hermaphrodites

Transmuted organisms

From Hensen's node,dorsal mesoderm is formed and is organized into

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Segments

Fragments

Somitcs

Remains

Animals of the group of flatworms have simple tubular secretory system called of

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Kidney

Nephron

Protonephridia

Nephridia

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