Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

1.

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

3258 Views

2.

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

1391 Views

3.

Isogamous condition with non-flagellated gametes is found in

  • Chlamydomonas

  • Spirogyra

  • Volvox

  • Volvox

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4.

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

  • Pinus

  • Cycas

  • Equisetum

  • Equisetum


B.

Cycas

Cyanobacteria within the coralloid roots of Cycas are chemoheterotrophic and specifically adapted to life in symbiosis. Only a few species of cyanobacteria form associations with Cycas. Pinus is gymnosperm.Equisetum belongs to vascular plants and to horse tail family.Psilotum belongs to division -Pteridophyta and is a fern like a plant.

1310 Views

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5.

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

2962 Views

6.

Interfascicular cambium develops from the cells of

  • medullary rays

  • xylem parenchyma

  • endodermis

  • endodermis

1775 Views

7.

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

1469 Views

8.

Lenticels are involved in

  • Transpiration

  • Gaseous exchange

  • Food transport

  • Food transport

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9.

Seed coat is not thin, membranous in

  • maize

  • coconut

  • groundnut

  • groundnut

1631 Views

10.

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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