Question # 1

Which is an organic molecule

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Glucose

Amino acids

Nucleotides

All of above

Fertilization in bryophytes takes place in

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Air

Water

Soil

None

Primary source of carbohydrates are

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Animals

Plants

Both a and b

None

Bryophytes are mainly confined to

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Damp shady places

Dry places

Aquatic

None

Chemically carbohydrates are Polyhydroxy of

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Aldehydes or ketons

Benzene

Alcohol

Carboxylic acid

Which one is not true about the presence of gases in air

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It consists of 79% N

It consists of 20% O₂

It consists of 0.03% CO₂

It consists of 80% inert gases

Phylum are divided in to

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Families

Classes

Genera

Orders

In plants which of the cells directly involved in gaseous exchange

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Xylem

Phloem

Mesophyll cells

Air spaces of hemoglobin cells

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

the lack of hemoglobin in R.B.C will result in

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Rapid transportation of oxygen

No transportation of oxygen

Blood clotting

Hemophilia

Which of the following phylum have animals show bilateral symmetry

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Annelida

Mollusca

Arthropoda

All of above

In porifera the food enters the spongocoel cavity through the

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Osculum

Outer wall

Ostia

None

Gene of interest is joined with sticky ends with the help of enzyme

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DNA helicase

DNA polymerase

DNA ligase

RNA polymerase

Example of rod shaped bacteria

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Bacillus

Staphylococcus

Vibrio

Hyphomicrobium

Leguminous plants have nodules on their roots which contains

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Saprophytic bacteria

Parasitic bacteria

Nitrogen fixing bacteria

None

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