Question # 1

Which one of the given is non sense codon.

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AUG

ACU

GAU

UAA

The receptor cells of Planaria are sensitive to.

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Light and pressure

Light pressure and touch

Touch , pressure and chemicals

Light, pressure, touch and chemicals

Average loss of blood during birth in human female is about .

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150 cm3

250 cm3

350 cm3

450 cm3

Which one of the following is not a joint diseases.

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Arthritis

sciatica

Disc slip

spondylosis

Most efficient way of supporting the body is seen.

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Fishes

Aves

Reptiles

Mammals

Which enzyme acts as molecular scissors.

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DNA ligase

DNA polymerase

RNA polymerase

Restriction endonuclease

The series of changes which involve period of growths replication of DNA followed ny cell division may be named as

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DNA cycle

Nuclear cycle

Cell cycle

Chemical cycle

Each type of the principal type of sensation that we can experience e.g pain touch sight sound and so for this called a modality of

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Regulation

Susceptibility

Coordination

Sensation

The base pairs in human genome are.

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Two billion

Three billion

Four billion

Five billion

A plant is adapted to remove the flooding of its cells in fresh water.

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Mesophyte

Cactus

Hydrophyte

Xerophyte

Inheritance of acquired characteristics was proposed by

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Darwin

Mendel

Lamarck

Mathus

The tumor which is localized and not transferred to other body parts.

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Malignant

Benign

apoptosis

Necrosis

Which one of the following pairs represents analogous features?

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Elephant tusks & Human incisors

Insects wings & bat wings

Mammal fore limb & bird wing

Reptilian heart & mammalism heart

The whole of the world land is called.

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Lithosphere

Hydrosphere

Ecosphere

Biosphere

Which evemt si not associated with the activity of expiration?

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Contraction of diaphragm

More dome like shape of diaphragm

Back ward& downward movement of rib cage

Relaxation of intercoastals muscles

DNA threads are chemically cut into pieces of different sizes in

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Maxam-Gilbert method

Sanger's method

Smith's method

Sanford's method

The Sclerenchyma has thick secondary walls usually impregnated with.

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Chitin

Pectin

sillica

Lignin

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