Multiple Choice Questions

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Which one of the following is not correct statement?

  • Herbarium houses dried, pressed and preserved plant specimens.

  • Botanical gardens have collection of living plants for reference

  • A museum has collection of photographs of plants and animals

  • A museum has collection of photographs of plants and animals


C.

A museum has collection of photographs of plants and animals

Museums have a collection of preserved plants and animal specimens for study and reference specimens are preserved in the containers in preservative solutions.
Herbarium is a store house at collected plant specimens that are dried, pressed and preserved on sheets.
Botanical gardens have a collection of living plants for reference.
The key is a taxonomic aid for identification of plants and animals based on the similarities and dissimilarities.

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Select the wrong statement

  • Isogametes are similar in structure, function and behaviour

  • Anisogamets differ either in structure, function and behaviour

  • In oomycetes female gamete is smaller and motile, while male gamete is larger and non-motile

  • In oomycetes female gamete is smaller and motile, while male gamete is larger and non-motile

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Transition state structure of the substrate formed during an enzymatic reaction is

  • transient but stable

  • permanent but unstable

  • transient and unstable

  • transient and unstable

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Isogamous condition with non-flagellated gametes is found in

  • Chlamydomonas

  • Spirogyra

  • Volvox

  • Volvox

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In China rose the flowers are

  • actinomorphic, hypogynous with twisted aestivation

  • actinomorphic, epigynous with valvate aestivation

  • zygomorphic, hypogynous with imbricate aestivation

  • zygomorphic, hypogynous with imbricate aestivation

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Seed coat is not thin, membranous in

  • maize

  • coconut

  • groundnut

  • groundnut

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Besides paddy fields, cyanobacteria are also found inside vegetative part of

  • Pinus

  • Cycas

  • Equisetum

  • Equisetum

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Interfascicular cambium develops from the cells of

  • medullary rays

  • xylem parenchyma

  • endodermis

  • endodermis

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Among bitter gourd mustard, brinjal, pumpkin, China rose, lupin, cucumber, sunn hemp, gram, guava, bean, chilli, plum, Petunia, potato tomato, rose, With potato, onion, aloe and tulip, how many plants have hypogynous flower?

  • Six

  • Ten

  • Fifteen

  • Fifteen

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Lenticels are involved in

  • Transpiration

  • Gaseous exchange

  • Food transport

  • Food transport

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