Question # 1

A free swimming trochophore larva is produced during the life cycle of.

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Coelenterate

Porifera

Annelida

Arthropods

Spirochete is a bacterium.

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Aerobic

Anaerobic

Facultative

Microaerophilic

The percentage by weight of RNA in a bacteria cell is.

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0.25%

2%

3%

6%

A plant requires nitrogen and sulfur for its

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Cell wall

Enzymes

Starch deposits

DNA replication

In sponges the food enters the spongocoel cavity called.

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Globules

Gemmules

Endosperm

Ostia

One of the following is in the order of increasing group size, beginning with the smallest family, kingdom, species, phylum or division, genus, order and class

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Family, kingdom, species, genus

Division, genus, order, class

Class, genus, order, family

Species, genus, order, family

A liter of H2O contains ml of oxygen.

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10

20

30

40

The animal which feed on organic debris are

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Herbivores

Carnivores

Omnivores

Detrivores

The sexual process is exhibited by most cities by

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Binary fission

Budding

Conjugation

Fertilizations

The bio element which accounts 18% of total mass in human body is

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Oxygen

Hydrogen

Carbon

Nitrogen

Co-enzyme is a

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Covalently bonded non-protein part of an enzyme

Loosely bonded non-protein part of an enzyme

Co-factor consists of metal ions

None of these

Okazaki fragments are about 1000 - 2000 nucleotides long in

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Prokaryotes

Eukaryotes

Both a & b

None of these

In human pair of cranial nerves are

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12

14

16

18

The individuals called universal recipients have.

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A blood group

B blood group

Ab blood group

O blood group

Primary growth in plants is caused by.

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Apical meristem

Intercalary meristem

Lateral meristem

Rib meristem

Which one of the following is an endotherm

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Humming Bird

Birds

Bat

Reptiles

The active uptake of sodium ions in the loop of Henle is provided byt he action of hormone.

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Insulin

Adrenaline

Aldosterone

Oxytocin

Imprinting is best known in birds such as

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Geese

Ducks

Chickens

All a,b,and c

Fluid secreted by sertoli cells provides sperms

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Liquid medium

Protection

Nourishment

All a,b,and c

The synovial joint is surround by a layer of connective tissue called.

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Fibrous joints

Annulus joints

Hyaline joint

Hematoma

Hind brain includes the medulla pons and

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Cerebrum

Cerebellum

Thalamus

Amygdala

During cell division , the nuclear division is called

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Cytokinesis

Karyokinesis

Endomitosis

Plasmolysis

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