Which of the following has chlorophyll in it's flattened stem to carry out photosynthesis?
(1) Opuntia
(2) Euphorbia
(3) Citrus
(4) Watermelon
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyStem spreads to new niches and when older parts die new parts are formed.
(1) Grass
(2) Strawberry
(3) Mint
(4) All of these
Find the one which doesn't belong to the above category.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe stem of Pistia and Eichhornia has
(1) Short internode
(2) Rosette of leaves
(3) Tuft of Roots
(4) All of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAquatic plants with a lateral branch having short internodes, rosette of leaves and tuft of roots are
(1) Pistia, Hydrilla
(2) Eichhornia, Hydrilla
(3) Pistia and Eichhornia
(4) Hydrilla and Valisnaria
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe lateral branches originate from the basal and underground portion of the main stem, grow horizontally beneath the soil and then come out obliquely upward to give rise to leafy shoot?
Which of the following examples are associated with such modifications?
(1) Banana, Mint and Jasmine
(2) Banana, Pineapple, Chrysanthemum
(3) Pineapple, Mint, Citrus
(4) Papaya, Citrus, Banana
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGenerally leaf is not
1. Lateral
2. Swollen
3. Developing on node
4. Bearing bud in its axil
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLeaves
(1) Arranged in acropetal manner
(2) Most important reproductive organ in plants
(3) Important for photosynthesis
(4) A typical leaf has three main parts- leaf base, Petiole and lamina
Find the incorrect statement.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLeaf
(1) Attached to the stem by the leaf base
(2) Always bear two lateral small leaf like structures called stipules
(3) Monocots have small sheath like leaf base which covers the stem wholly
(4) All leguminous plants have swollen leaf base
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following parts of leaf has major role to hold the blade to light?
(1) Lamina
(2) Petiole
(3) Sheath
(4) Stipule
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe fluttering of the leaf blade is facilitated by
(1) Swollen pulvinus
(2) Membranous sheath
(3) Long and thin Petiole
(4) Broad lamina
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology