When a shoot tip transforms into a flower,
1. It is always solitary
2. The flower is always short-lived
3. It is never solitary
4. The flower is always long-lived
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySome foliar roots also produce adventitious roots as in:
1. Oxalis
2. Coleus
3. Tapioca
4. Bryophyllum
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyChief characteristics of stem do not include:
1. Develops from the plumule
2. Positive phototropic nature
3. Presence of nodes and internodes
4. Endogenously developed multicellular hair
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch aerial modifications of stem given in column I with their descriptions in column II and choose your answer from the codes given below:
A |
Phylloclade |
P |
Green, flattened or cylindrical branches of unlimited growth |
B |
Cladode |
Q |
Branches of limited growth that become green and flat like a leaf |
C |
Bulbil |
R |
Modified vegetative bud with stored food meant for reproduction |
Codes:
|
A |
B |
C |
1. |
P |
Q |
R |
2. |
P |
R |
Q |
3. |
R |
P |
Q |
4 . |
Q |
R |
P |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn racemose type of branching:
1. Branches continue to grow indefinitely and give off further branches laterally in a basipetal order
2. Branches continue to grow indefinitely and give off further branches laterally in an acropetal order
3. Branches stop growing after some time and give off further branches laterally in a basipetal order
4. Branches stop growing after some time and give off further branches laterally in an acropetal order
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn Australian Acacia, the petiole or any part of rachis becomes flattened taking the shape of a leaf and turning green in color. This structure is called as:
(1) Phylloclade
(2) Cladode
(3) Phyllode
(4) bulbil
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the ray florets of sunflower, the condition of the flower is termed as:
1. Superior
2. Inferior
3. Epigynous
4. Hypogynous
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyChina rose is not characterized by:
(1) Axile placentation
(2) Valvate aestivation
(3) Monoadelphous stamen
(4) Superior ovary
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe given floral formula describes:
Br ⊕ P(3+3) A3+3 G(3)
1. Asparagus
2. Belladonna
3. Indigofera
4. Mustard
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn vexillary aestivation:
1. The standard overlaps the wings
2. The standard overlaps the keel
3. The standard is overlapped by keel
4. The keel overlap the wings
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology