Question # 1

Most of the gaseous exchange in a leaf occurs through:

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Stomata

General surface

Cuticle

Lenticels

A thick muscular layer beneath lungs is called:

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Kidney

Diaphragm

Bladder

Ureter

In Genetic Engineering palsmid is used as:

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Vector

Endonucleases

Binder enzyme

Donor

Which scientist discovered the antibiotic penicillin?

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Joseph Lister

Sir Alexander Fleming

Ian Wimut

Edward jenner

The skeletal system out-side the body is called.

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Endoskeleton

Exoskeleton

Normal skeleton

a and b

The hard outer layer of a bone is called;

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Bone marrow

Hyoid bone

Spongy bone

Compact bone

An organism has two different alleles for a single trait. Its genotype is said to be:

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Homozygous

Heterozygous

Holozygous

Hemizygous

Dominant alleles are represented by ______ letter and recessive alleles by _____ letter.

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Capital lowercase

Lowercase, capital

Lower case, lowercase

Capital, capital

The process in which there is insomplete oxidation reduction of glucose :

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Photosynthesis

Circulation

Fermentation

Transpiration

Every ripened ovule is called:

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Leaves

Flower

Seed

Fruit

The tube between kidney and urinary bladder is the.

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Ureter

Urethra

Renal tubule

Nephron

Sir Alexander Fleming was discovered:

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Antibiotics

Analgesic

Penicillin

Antiseptics

Consumers include:

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animals

protozoans

fungi

all of these

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