Question # 1

Nitrogen waste which is highly toxic and dissolves quickly in body fluids is.

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CO2

Urea

Ammonia

Uric Acid

Programmed and organized death of cell is known as.

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Apoptosis

Cancer

Necrosis

Metastasis

The chances of teenage mother having down's syndrome child is.

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One in one hundred

One in many thousand

One in one thousand

One in ten thousand

As distal end humerus forms hinge joint with

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Radius

Ulna

Tibia

Both a & b

Mammals including human maintain their high body temperature within a narrow range of about

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30-32oC

36-38oC

32-36oC

35-37oC

The organisms used a biofilters is.

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Transgenic plant

Transgenic bacteria

Transgenic animal

Transgenic virus

In mitochodria UGA codon act to specify __________ instead stop codon:

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Argenine

Valine

Glumatic acid

Trytophan

The plant hormone that inhibit the growth lateral shoots.

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Cytokine

Auxin

Gibberellin

Ethene

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

The homeostatic thermostat is present in.

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Pituitary

Hypothalamus

Kidney

Pancreas

Hemodialysis means

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Removing the blood

Cleaning the blood

Storing the blood

diluting the blood

The pairing of homologous chromosomes is completed in

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Leptotene

Zygotene

Pachytene

Diplotene

A chromosome with unequal length of its arm is called:

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Metacantric

Sub metacentric

Acrocentric

Telocentric

The human egg is swept through the oviduct toward the uterus by:

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The beating of the egg's cilia

Rhythmic contraction of the uterus

Rhythmic contraction of the oviduct

The beating of the cilia in the oviduct

The Planaria flatworm have simple tubular excretory system known as.

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Protonephridium

Mesonephridum

Prenephridium

Metanephridium

In plants movement in response to stimulus of touch is called.

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Phototactie

Chemotatic

Thigmotopism

Nyctinasty

In chordates the healing of fracture and repair of a skin wound are some other examples of

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Reformation

Regeneration

Rejuvenation

Renaissance

Human lungs are spongy due to the presence of million of:

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Bronchi

Alveoli

Bronchioles

Trachea

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