Question # 1

The living organisms producing their own food.

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Heterotrophs

Consumers

Green plants

Decomposers

The armored mammal that lives only in America is the.

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Armadillo

Echidna

Pengun

Pelvis and leg bones

A sequence of three nucleotides in mRNA is called.

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Cistron

Codon

Anticodon

Templet

In living thing, the behavior activities occurs at regulars intervals which are called.

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diumal rhythms

Blorhythms

Circannual

Orcadian

Part of brain which controls breathing, heart rate and swelling is.

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Cerebrum

Medulla

Mid Brian

Cerebellum

The change of frequency of alleles at locus that occur by chance is called.

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Mutation

Migration

Genetic drift

Selection

The distinct levels of food chain are called.

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Food chain

Food Web

Trophic level

Energy pyramid

Cytokinins delay the aging of fresh leaf crops such as cabbage and lettuce as well as keeping flowers

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Attached

Fresh

Delayed

Open

Tissue culture and cloning seek help through.

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Mitosis

Meiosis

endomitosis

Karyokinesis

In tomato and pappers, parthenocarpy is artificially induced by adding.

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Auxins

Cytokinins

Abscisic Acid

Ethene

Example of day Neutral plant is.

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Tomato

Xanthium

Soyabean

Chrysanthium

Which one is an example of Xerophytes.

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Brassica

Rose

Cactus

Mango

Human skin colour is also a quantitative trait which is controlled by

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3 - 6 gene pairs

1 - 3 gene pairs

None of these

The chief nitrogenous waste in birds and reptiles is

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NH3

Urea

Uric Acid

Creatirine

Which one is not a vestigial organ of human being.

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Appendix

coccyx

eye lid

Nictitating membranes

Pairing of homologous chromosomes for tetrad formation starts at.

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Leptotene

Zygotene

Diplotene

Pachytene

A callus is an undifferentiated group of

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Cells

Tissues

Organs

Systems

In aquatic ecosystem , near shore zone is called.

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Limnetic zone

Littoral zone

Profundal zone

Benthic zone

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