Question # 1

The volume of dry seed may increase up to 200 times after absorbing water by.

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Diffusion

Imbibition

Osmosis

Active transport

Protandrous means

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Male sex cells develop first

Male and female sex develop simultaneously

Female sex cell develop first

None of the above

Which statement about plastids is true

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They are surrounded by a single membrane

They are power house of cell

They are found in all organisms

They contain DNA and ribosomes

Veins are the blood vessels which transport blood from body cells towards.

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Brain

Kidney

Liver

Heart

Sea Urchin belong to phylum

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Coelantrate

Nematoda

Porifera

Arthropoda

Sleeping sickness is spread by

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Tsetse fly

trypanosoma

Mosquito

Plasmodium

Algae whose cell wall consist of two shells overtax like betray dish.

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Dinoflagellotes

diatoms

euglenoids

Cillates

Example of apicomplexans is.

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Vorticella

Plasmodium

Sentor

Amoeba

The process of taking in food is.

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Digestion

Ingestion

Assimilation

Absorption

Each mesophyll cell of leaf has chloroplast about.

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10-20

20-80

20-100

100-110

The animals having structurally and functionally intermediate teeth between herbivores and carnivores are

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Insectivores

Detritivores

Saprozoic

Omnivores

An enzyme reacts only with its specific.

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Surface

Product

Substrate

Inhibitor

In mollusca the foot is used for

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Capturing prey

Locomotion

Both a and b

None of these

In human body percentage of nitrogen accounts for.

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1%

2%

3%

10%

The bacteria which can grow either in the presence or absence of oxygen are called.

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Aerobic bacteria

Anaerobic bacteria

Facultative bacteria

Microaerophilic bacteria.

Respiratory distress syndrome is common in

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Adults

Old age people

Prelature infants

All new borns

Sphenodon is found is.

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Australia

New Zealand

Texas

Berlin

Pseudo coelom is characteristic.

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Nematoda

Mollusca

Annelida

Echinodermata

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