Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

31.

Catkin inflorescence is found in

  • Wheat

  • Oat

  • Mulberry

  • Fig


32.

Epigynous flowers are present in

  • Mustad

  • Brinjal

  • China rose

  • Cucumber


33.

In Dianthus, placentation is

  • Basal

  • Free central

  • Axile

  • Marginal


34.

The term 'keel' is used for special type of

  • Sepals

  • Petals

  • Stamenstellen

  • Carpels


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35.

Coffee and quinine are obtained from the

  • Leguminosae

  • Asteraceae

  • Rubiaceae

  • Poaceae


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36.

Kranz anatomy can be obseved in leaves of

  • Sorghum

  • Spinach

  • Mustrad

  • Tulip


A.

Sorghum

Kranz anatomy is found in C-plants, e.g., Sorghum, Zea mays, Saccharum officinarum. It is characterised by connective, undifferentiated mesophyll around vascular bundles with chloroplast containing bundle sheath.


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37.

The term 'bark' refers to

  • Phellem, phelloderm and vascular cambium

  • Periderm and secondary xylem

  • Cork cambium and cork

  • Phellogen, phellem, phelloderm and Secondary phloem


38.

Light reaction in stroma lamellae of the chloroplast results in the formation of

  • NADPH

  • ATP + NADPH

  • ATP K

  • O2


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39.

In leaves of Ce plants, malic acid synthesis during CO2 fixation occurs in

  • Bundle sheath

  • Mesophyll

  • Epidermis

  • Guard cells


40.

Membrane is absent in

  • Nucleus

  • Nucleolus

  • Vacuole

  • Lysosome


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