Question # 1

The enzyme cuts the DNA fragment with two ends

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Sticky ends

Blunt ends

Both A and B

None

A programmed series of stages from a simpler of more complex forms is

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Development

Growth

All above

None

Every 200 nucleotide the DNA duplex is coiled around a core of eight histones proteins forming a complex known as

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Nucleoside

Nucleosome

Ecdysone

Globulin

When rod shaped bacteria occur in pairs them arrangement of cells is known as

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Diplococcus

Staphylococcus

Diplobacilli

None

Fertilization in bryophytes takes place in

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Air

Water

Soil

None

Air,water,food,land,forests and wild life are

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Renewable resources

None renewable resources

Both A and B

None of these

Fungus body is called

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Hyphae

Mycelium

Basal body

Stalk

In frog the exchange of gases takes place through

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Lungs

Skin

Buccal chamber

All of above

Plants prepare their own food from simple inorganic material & stored energy there fore these are called

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Heteropha

Saprophytes

Autotrophs

All of above

In living organisms,water quantity is

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70 → 90%

80 → 70%

60 → 70%

50 → 50%

Phylum are divided in to

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Families

Classes

Genera

Orders

Each kingdom is divided in to smaller groups called

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Orders

Families

Species

Phyla

A group of bacteria called archaebacteria that tolerate temperature up to

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110 C^o

120 C^o

50 C^o

40 C^o

Which of the following is Non-vascular

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Bryophyta

Tracheophyta

Gymnosperms

Angiosperm

Use of water in Domestic : Industrial

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10% : 90%

20% : 80%

30% : 70%

50% : 50%

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