Question # 1

Resolution of human naked eye is.

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162

262

242

252

The inner layer of most sponges is called.

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Pinacoderm

Choanoderm

Epiderm

Endoderm

The example of phylum Hemichordata is.

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Molgula

Amphioxus

Balanoglosus

Asierias

Which one is the structure of respiratory system of man.

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Larynx

Syrinx

Esophagus

duodenum

A liter of H2O contains ml of oxygen.

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10

20

30

40

From one pyruvate passing through Kreb's cycle FADH2 molecules are formed.

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1

2

3

4

Glycerol is the back bone molecule for

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Disaccharides

DNA

Triglycerides

ATP

________ is not a terpenoid.

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Rubber

Steroids

Terpenes

Waxes

Modification of proteins and lipids as glycopeptides and glycoproteins occur in

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Ribosomes

Golgi apparatus

SER

All of above

When deprived of oxygen, yeast cells obtain energy by fermentation, producing carbon dioxide, ATP, and

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Acetyl CoA

Ethyl alcohol

Lactate

Pyruvate

Which of the following is not true for spores produced by fungi

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They are haploid

They need water for their dispersal

They are non-motile

They are produced in large number

Desert ecosystem of Bhakkar and Mian wali is called.

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Thal

Thar

Cholistan

Rohi

Hatching period of chick is.

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15 days

18 days

21 days

28 days

Advantage of pecking orders is to:

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Avoids injury to the strong animals

Protect territory

Find suitable mate

Assign specific role to individual subordinates

Number of ammonia molecules required to produce one molecule of urea is.

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1

2

3

4

Example of day Neutral plant is.

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Tomato

Xanthium

Soyabean

Chrysanthium

Asexual reproduction requires only a single parental organism which gives rise to offspring by

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Mitotic cell division

Meiotic cell division

Both a and b

None of these

A gene with multiple phenotypic effect is.

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Polygenic

Bombay type

Pleiotropic

Monogenic

Flagella may have arisen through the ingestion of prokaryotes similar to spiral shaped bacteria called.

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E. Coli

Streptococcus

spirochete

Rhizobium

The means by which recombinant DNA is introduced into a host call is called

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Plasmid

Carrier

Vector

Lifter

Syphilis is caused by a spirochete named as.

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Nisseria gonorrhea

Theponemapallidum

Escherichia coli

Hypomicrobium

Resting membrane potential of a neuron is

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50 mv

-70 mv

-60 mv

-80 mv

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