Question # 1

Cystic fibrosis patients lack a gene that codes for trans-membrane carrier of the

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Chloride ion

Sodium ion

Potassium ion

Calcium ion

A pair of kidneys, consist of millions of functional units called.

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Nephrons

Dendrons

Neurons

Flatrons

Once nitrate enters the plant cell it is reduced to.

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Nitrite

Ammonia

Carbohydrate

Proteins

Detection of changes and signaling for effector's response to control system is called.

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-ive feedback mechanism

transformation

feed back mechanism

Nephridial system

The internal hydrostatic pressure in plants is.

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Root

Turgor

Osmotic

Solute

Which one of the following is an endotherm

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Humming Bird

Birds

Bat

Reptiles

A sequence of three nucleotides in mRNA is called.

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Cistron

Codon

Anticodon

Templet

The clavicle connects scapula with.

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Skull

Sternum

Tibia

Femur

The polymerase chain reaction was developed in 1983 by

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Kary B. Mullis

Gottlieb Haberiandt

Theodore M. Klein

Craig venter

The type of inheritance with same phenotypic and genotypic ratio in F2

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Dominance

Incomplete dominance

Co dominance

Epistasis

The shell, over chick egg is secreted as it passes through.

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Ovary

Oviduct

Uterus

Cloaca

Effective drug available for Parkinson's disease is.

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Nicotine

GDNF

AZT

L-dopa

Which strand of DNA is transcribed.

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coding strand

Sense strand

Antisense strand

Conservative strand

The particular array of chromosomes that an individual possesses called its.

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Genotype

Phenotype

epistasis

Karvotype

Which hormone is chemically steroid .

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ADH

Corticosherone

Insulin

Thyoxine

In bacterial and viral infections, pathogens and leukocytes cell produce a chemicals called.

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Pyrexia

Toxins

Affatoxins

Pyrogen

All are related to medulla oblongata, except.

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Long term memory

Breathing rate

Blood pressure

Heart beat rate

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

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650

630

660

645

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