Question # 1

Hydrogen bonds between adenine and thymine.

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Two

Four

Three

Five

Cell wall is secreted by

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Protoplasm

Nucleoplasm

Ribosome

Golgi complex

Greater pathogenicity to bacteria and protection against phagocytosis is provided by

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Capsule

Slime

Cell wall

Mesosomes

The classification of algae into phyla is largely based on the composition.

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Cell wall

Cell membrane

Pigments

Cytoplasm

A cube of eight cocci is termed as.

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Tetrad

Sarcina

diplococcus

Streptococci

Coral reefs are mostly formed. of.

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Calcium carbonate

Silica

Chitin

Lignin

A quatic arthropods respire through

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Lungs

skin

Gills

Spiracles

Lungs are covered by double layered thin membranous sacs called.

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Pleura

Larynx

Air sacs

Diaphragm

Rod shaped bacteria are called.

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Cocci

Bacilli

Spirilla

Vibrio

Chlorophyll molecule contains except.

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Magnesium

Iron

Calcium

Phosphorus

Algae having shells composed of two halves the fit together like Petridis belongs to.

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Diatoms

Actinopoda

Foraminifera

Slime molds

O blood has neither A or B antigen but it does have

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Anti - A antibodies

Anti - B antibodies

Anti - O antibodies

Both a & b

Who was the first to propose an objective definition of instincts in terms of animal behaviour

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Darwin

Lamarck

Wallace

Lyell

Urine is preferable vehicle for a biotechnology product than.

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Plama

Blood

Milk

Tissue fluid

All of the following bones are associated with coxal bones, except.

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Illum

Ischium

Pubis

Calvicle

The fossil fuels are

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Coal

Oil

Gas

All a,b and c

Lichens are example of.

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Parasitism

Predation

Commensalism

Mutualism

End product of hemoglobin breakdown is.

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Uric acid

Urea

Bilirubin

Ammonia

Contractile ring in cytokinesis is formed by

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Tubulin

Actin and Myosin

Keratin

Cyclin

Which tumor is delocalized or has branches other than site of orgin.

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Benign

Malignant

Both

Apoptosis

Shifts in water-solute balance are managed primarily by:

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Respratory system

The urinary system

Sweating

The circulatory system

Dialyses means

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Removing the blood

Cleaning the blood

Diluting the blood

Storing the blood

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