Question # 1

Major types of ecosystems, those that occupy board geographical regions are called

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Climax community

Biome

Planetary ecosystem

Community

What are the important features that fungi have which help them in their survival on land?

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Tolerate wide range of pH

Tolerate temperature

Tolerate high osmotic pressure

All of the above

Studying a single population's relationship to its environment will be

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Synecology

Autecology

Ecology

Etealogy

Thin layer of earth in which all living organism exist is known as

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Habitat

Niche

Biosphere

Ecological niche

The criteria of the classification are the ----------- on which the classification is based.

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Groups

Divisions

Characters

Orders

A sex limited trait is limited to only one sex due to

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Taxonomic differences

Ecological differences

Physiological

Anatomical difference

The phenomenon of interference / hide the effect of one gene present at one locus by the other gene present at other locus is called

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Epistasis

Crossing over

Gene linkage

Synapsis

The present international code of botanical nomenclature consists of ---------- rules.

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Phylogenetic system

Nomenclature type

Specific name

Common names

-----------harmone increase tendency of plants to produce a male flower

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Auxins

Gibberllins

Ethylene

Abcissic acid

Which one of the following is a biotic component?

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Atmosphere

Water

Fungi

Soil

Family curcifereae is characterized by the persence of ------------ corolla

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Cross like

Cushion like

Zigzag

None

Rusts belong to the group of club fungi they are called so because

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Orange-yellow colored disease spots on their host surface

Dusty spore masses that resemble soot

Rust have fruiting bodies

Puccinia species

Plants of family asclepiadaceae are used to treat

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Gastric disorders

Skin disorders

Maternal disorders

None of these

Apple is a member of family

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Rasaceae

Ranunculaceae

Labiaceae

Malvaceae

Seed of rosaceae is

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Edosperm

Endosperm oily

Non endosperm

None

Seeds of family ---------- bear a tuft of hairs

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Compositeae

Labiateae

Asclepiadaceae

Ranunculaceae

Cohesion theory of ascent of sap is proposed by

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Zimmernmann

John jolly

Dixon

Both a & b

Which one of these is a predatory fungus?

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Pleurotus ostreatus

Mildews

Armillaria

Yeast

Seed of family Ranunculaceae is

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Endospermic

Endosperm oily

pericarp

Both a and b

A fungal hyphae having 2 nuclei of different genetic type is called as

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Karyogamy

Plasmogamy

Hetrokaryotic

Fragmentation

------------ are the reaction that takes place during the light phase of photosynthesis

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Kelvin cycle

Photo-reaction

Hill's reaction

All

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