Question # 1

When a single gene effects two or more traits the phenomenon is called

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Epistasis

Bombay phenotype

Gene linkage

Pleiotropic

Seed of rosaceae is

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Edosperm

Endosperm oily

Non endosperm

None

The anthers are two celled and pollen grains are in the form of tetrads and are found in the sac like sturctures

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Polonium

Gynoestigium

Corpusculum

Translator

What are the major decomposers of the biosphere contributing to the recycling of the elements used by living things?

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Saprobic fungi and bacteria

Plants

Animals

Algae

Members of family -------- are a source of camphor

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Cucurbitaceae

Labiaceae

Compositeae

Malvaceae

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

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Climax community

Biome

Planetary ecosystem

Community

Cucumissativusis the botanical name of

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Bitter gourd

Vegetable marrow

Cucumber

Watermelon

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

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Kelvin cycle

Photo-reaction

Hill's reaction

All

An organism that is caught and eaten is called

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Predator

Prey

Ectoparasites

Endoparasites

The majority of plants of this family provides edible fruits

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Rosaceae

Labiaceae

Ranunculaceae

Malvaceae

Apple is a member of family

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Rasaceae

Ranunculaceae

Labiaceae

Malvaceae

Wilhelm Eichler divided plants into two groups

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Bryophytes and pteriidophytes

Gymnosperms and angiosperms

Thalophytes and carmophytes

Cryptogamy and Phanerogamy

Euphorbia Milli is a

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Tree

Herb

Ornamental shrub

Ornamental herb

The species which is at the threat of danger of extinction is called

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Endangered species

Extinct species

Threatened species

All of these

Vegetative parts of --------- are easier to observe than reproductive parts

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Angiosperms

Gymnosperms

Bryophytes

Pteridophytes

Natural system of classification is based on characters

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Reproductive and anatomical

Morphological and anatomical

Morphological and reproductive

Vegetative and reproductive

Fruits of leguminoceae is

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Legume

Lomentum

Drupe

Both a & b

Which of the following describes the process of natural selection?

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Change from simple to more complex organisms

Differential reproductive success between genotypes

Increase in size of population

Occurrence of new mutations

What is the contrasting feature on the basis of which fungi are considered different from animals?

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Lack cellulose in their cell wall

Heterotrophs

Contains chitin

Non-motile

--------------- are the plants that flower only once and then die

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Monocarpic

Dicarpic

Apocarpic

holocarpic

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