Question # 1

Germ theory of disease was formulated by

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Antone Van Leeuwenhoek

Pasteur

Robert Koch

none of above

The active site of an enzyme

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Never changes

Forms no chemical bond with substrate

Determines by its structure the specificity of an enzyme

Looks like a lump projection from the surface of an enzyme

Resolution power of a typical compound. microscope is.

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300 x

1.0 micro meter

2.0 micro meter

2-4 Angstron

Vascular plants belonging to subdivision sphenopsida ae commonly called.

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Whisk ferns

Club mosses

Horsetails

Ferns

The percentage of calcium in human body is.

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1%

2%

3%

4%

The most common rust fungi are.

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Ustilago

Puccinia

Penicillium

Yeast

Loose smut of wheat is caused by the following fungi

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Puccinia

Penicillium

Ustilago

Aspergillus

One of the most unusual protest phyla is that of.

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Zooflagellates

Euglenoids

Dinoflagellates

Apicomplexa

Important terrestrial adaptations that evolved exclusiverly in seed plants include all of the following except

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Pollination by wind or animal instead of fertilization by swimming the sperm

Transport of water through vascular tissue

Independent of the gametophyte plant from the sporophyte

Dispersal of new plants by seeds

50% or so are found as lichens.

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Ascomycota

Basidiomycota

Zygomycotic

Deuteromycete

Walls of the chest cavity are composed of

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Ribs

Intercostal muscle

Ribs and intercostal muscle

Ribs, intercostal muscle and diaphragm

The total gestation period in human female is usually about.

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280 days

280 week

28 months

360 days

Armadillos the armoured mammals live only in the

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Africa

America

Europe

Asia

Most cartilaginous fishes possess salt execrating organs known as the

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Coecal gland

Foetal gland

Rectal gland

Sebaceous gland

Genes are located at specific loci on

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Chromatids

Chromosomes

Centromeres

Homologues

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

PCR takes its name from

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RNA polymerase

DNA polymerase

DNA ligase

Endonuclease

For maximum growth the optimum temperature is 25 - 30^oC and it least at

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1 - 3^oC

5 - 10^oC

4 - 8^oC

6 - 12^oC

Highly condensed portions of the chromatin are called.

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Homochromatin

Heterochromatin

Euchromatin

Achromatin

The stand which elongates towards the replication fork is.

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Leading

Lagging

Okazaki

Primer

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

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Mesophyte

Cactus

Hydrophyte

Xerophyte

in plants regeneration is the basis of plant

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Fishes

Amphibian

Reptiles

Birds

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