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

(a) sunflower

(b) Pistia

(c) pea

(d) wheat

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Axile placentation is present in

(a) dianthus                    (b) lemon

(c) pea                           (d) Argemone

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Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?

(a) Five                          (b) Six

(c) Three                        (d) 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
(a) Opuntia
(b) pea
(c) onion
(d) silk cotton

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The hilum is a scar on the

(a) seed, where funicle was attached

(b) fruit, where it was attached to pedicel

(c) fruit, where style was present

(d) seed, where micropyle was present

 

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When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as

(1) vexillary

(2) imbricate

(3) twisted

(4) valvate

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