Question # 1

Phylum arthropods have

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Open circulatory system

Closed circulatory system

Both a & b

None

Which of the following statement about Porifera is not true

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There are respiratory and circulatory organs

Pores are present in the body wall

Water enters the body through ostia

Water leaves the body through osculum

The enzyme cuts the DNA fragment with two ends

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Sticky ends

Blunt ends

Both A and B

None

The main tracheae divide and subdivide forming very fine thin walled tubule called

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Spiracles

Tracheoles

Tracheal end cells

Air spaces

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

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Diplococcus

Staphylococcus

Diplobacilli

None

In Linnaeus's system each species has a scientific name comprising of

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3-words

4-words

One words

2-words

Which of the following is more resistance to decay

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Cellulose

Lignin

Chitin

Waxes

Which of the following about fungi is true

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Fungi included in plants

Fungi included in animals

Fungi characters are same to all organisms

Fungi placed in a separate kingdom

Lithospheric ecosystem is

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Terrestrial

Aquatic

Aerial

Desert

All vertebrates have

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Open circulatory system

Closed circulatory system

No transportation system

Transportation occurs through skin

The process of photosynthesis in green plants in

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CO₂ + O₂ +light → CHO +6O₂ +6H₂O

6CO₂ +12H₂O +light → C₆H₁₂O₆+ 6O₂ +6H₂

6CO₂ +12H₂O → C₆H₁₂O₆ + 6O₂ +6H₂O

None

Mendel cross-fertilized a true breeding rounded seed male plant with a true breeding wrinkled seeded female plant he called it a

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First parental generation

First filial generation

2nd filial generation

All of above

Which of the following mean that the organisms living today have changed from the ones that lives in the past

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Fossils

Evolution

Ecosystem

Behavior

Which of the following include in Kingdom plantae

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Eukaryotic

Autotrophic

Multicellular

All of above

The animal which have a true coelome are

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Acoelomates

Coelomates

Pseudo-coelomates

None

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