Question # 1

If tuft of flagella is present only at one pole to bacteria then these are called as

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Amphitrichous

Lophotriches

Peritrichous

Monotrichoca

Important vector is modern genetic engineering is.

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Nucleoid

Mesosome

Plasmid

Ribosome

Neries belongs to class

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Polychaeta

Hirudinea

Oligocheaeta

Crustacea

The muscles of stomach is of which type.

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cardiac

Smooth

Skeletal

All above

Phosphatidyl choline is one of the common

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Phospholipid

Glycolipid

Sphingolipid

Terpenoid

Enzymes which convert dipeptide into amino acids is named as

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Erypsin

Pepsin

Trypsin

Amino peptidase

Bacteriophage replicates only in ____________ cells.

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Animal

Plant

Bacteria

None of these

The Presence of nucleus in the cell was reported by

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Lorenz Oken

Theodor Schwann

Schleiden

Robert Brown

The example of zooflagellates is

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Forms

Vorticella

Entamoeba

Trypanosomes

Organelle found in both prokaryotic and eukaryotic cells.

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Ribosomes

Mitochondria

Chloroplasts

Lysosomes

During the dark reaction of photosynthesis, the main process that occurs is

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Release of oxygen

Energy absorption by the chlorophyll

Adding of hydrogen to the carbon dioxide

Formation of ATP

The productivity of aquatic ecosystem is determined by light and

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CO2

Temperature

Nutrients

Water

The chances of teenage mother having down's syndrome child is.

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One in one hundred

One in many thousand

One in one thousand

One in ten thousand

Each bivalent has

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Twochromatids

Four chromatids

Both a & b

None of these

Mammalian kidney including human is adapted to conserve water by over

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20.5%

50%

99.5%

70%

Which of the following is a non sense codon.

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UGA

UGG

AUG

AUC

The disorder in which bones are porous and thin but bone composition normal is:

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Osteomalacia

Osteoporosis

Rickets

Arthritis

Some individuals leave behind more progeny than others and teh rate at which they do so is affected by their inherited characteristics. This is called.

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Non random mating

Selection

Migration

Mutation

A man bolld group A marries a women of blood goroup B and they have one child. Which one of the following statements abo ut the child's blood is correct?

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It could be group A only

It could be group AB only

It could be group A or Group B only

It could be any of the groups A,B,AB, O

Which strand of DNA is transcribed.

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coding strand

Sense strand

Antisense strand

Conservative strand

The light effective in preventing flowering in cocklebur is.

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Blue light

Red light

Yellow light

Orang light

The ultimate source of change is.

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Evolution

Mutation

Genetic drift

Migration

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