Thorn of Citrus and Bougainvillea is modified:

(a) Stem               (b) Root                (c) Leaf                 (d) Inflorescence

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Offset is one internode long runner and its each node bears rosette of leaves and a tuft of roots. It is found in aquatic plants like:

(a) Hydrilla            (b) Pistia               (c) Eichhornia       (d) Both (b) and (c)

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Leafbase is swollen to form pulvinus in:

(a) Some leguminous plants               (b) Some crucifers

(c) Some monocots                            (d) Some cycads

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Which of the following statements is false about leaf?
(a) A leaf is said to be simple, when its lamina is entire or when incised, the incisions do not touch the margin
(b) A leaf is said to be compound when the incisions of lamina reach upto the midrib breaking into a number of leaflets
(c) Leaf is the most important vegetative organ for photosynthesis
(d) Leaf is not a transpiratory organ

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Leaves are modified into tendrils in:

(a) Parkinsonia      (b) Pea                  (c) Ranunculus      (d) Oxalis

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Cymose inflorescence is identified by:
(a) Basipetal arrangement of flowers on the main axis (peduncle)
(b) The limited growth of the main axis as main axis terminates in a flower
(c) Both (a) and (b)
(d) Presence of sessile flower

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Which of the following is an incorrect match?
(a) Perigynous flower - Plum, rose and peach
(b) Monadelphous - Pea
(c) Epigynous flower - Guava, cucumber, and ray florets of sunflower
(d) Polyadelphous - Citrus

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Match the Column-I with Column-II:

Column-I (Aestivation in Corolla)

Column-II (Examples)

A.   Valvate

I.            China rose, Lady’s finger, cotton

B.   Twisted

II.         Calotropis

C.   Imbricate

III.       Cassia, Gulmohur

D.   Vexillary (papillonaceous)

IV.        Pea, Beans

(a) A - II, B - I, C - III, D - IV             (b) A - II, B - I, C - IV, D - III

(c) A - I, B - II, C - III, D - IV              (d) A - II, B - IV, C - I, D - III

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Identify the types of aestivation shown in the following diagram:

(a) A - Valvate, B - Twisted, C - Imbricate, D - Vexillary
(b) A - Vexillary, B - Valvate, C - Twisted, D - Imbricate
(c) A - Imbricate, B - Vexillary, C - Valvate, D - Twisted
(d) A - Twisted, B - Imbricate, C - Vexillary, D - Valvate

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Match the following figures with I, II and III:
I. Hypogynous flower II. Perigynous flower III. Epigynous flower

(a) A - I, B - II, C - III (b) A - I, B - III, C - II
(c) A - III, B - II, C - I (d) A - III, B - I, C - II

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