Cotyledon of maize grain is called
(1) coleorhiza
(2) coleoptile
(3) scutellum
(4) plumple
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Which of the following is not a stem modification?
(1) Thorns of citrus
(2) Tendrils of cucumber
(3) Flattened structures of Opunita
(4) Pitcher of Nepenthes
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Proximal end of the filament of stamen is attached to the
(1) connective
(2) placenta
(3) thalamus or petal
(4) anther
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Stems modified into flat green organs performing the functions of leaves are known as
(1) phyllodes
(2) phylloclades
(3) scales
(4) cladodes
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The standard petal of a papilionaceous corolla is also called
(1) pappus
(2) vexillum
(3) corona
(4) carina
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Roots play insignificant role in absorption of water in
1. sunflower
2. Pistia
3. pea
4. wheat
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Axile placentation is present in
1. dianthus
2. lemon
3. pea
4. Argemone
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Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many
plants have superior ovary?
1. Five
2. Six
3. Three
4. Four
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Perigynous flowers are found in
(1) Guava
(2) Cucumber
(3) China rose
(4) Rose
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Leaves become modified into spines in
1. Opuntia
2. pea
3. onion
4. silk cotton
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