Which of the following is incorrect about A, B, C and D:
(1) Tap roots of carrot, turnip and adventitious root of sweet potato, get swollen and store food

(2) Pneumatophores help to get oxygen for respiration

(3) Pneumatophore is found in the plants that grow in sandy soil

(4) A, B and C are underground roots but D grows vertically upwards

Subtopic:  Modification of Roots |
 79%
From NCERT
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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:

1. Hydrilla           

2. Pistia              

3. Eichhornia      

4. Both (2) and (3)

Subtopic:  Morphology of Stems | Aerial Stem Modification |
 90%
From NCERT
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Leafbase is swollen to form pulvinus in:

(1) Some leguminous plants              

(2) Some crucifers

(3) Some monocots                           

(4) Some cycads

Subtopic:  Morphology of Leaf | Venation, Types of Leaves & Phyllotaxy |
 88%
From NCERT
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Which of the following statements is false about a leaf?
1. A leaf is said to be simple, when its lamina is entire or when incised, the incisions do not touch the margin

2. A leaf is said to be compound when the incisions of lamina reach up to the midrib breaking into several leaflets

3. Leaf is the most important vegetative organ for photosynthesis

4. Leaf is not a transpiratory organ

Subtopic:  Morphology of Leaf |
 86%
From NCERT
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Leaves are modified into tendrils in:

(1) Parkinsonia     

(2) Pea                 

(3) Ranunculus     

(4) Oxalis

Subtopic:  Aerial Stem Modification |
 86%
From NCERT
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Cymose inflorescence is identified by:
1. Basipetal arrangement of flowers on the main axis (peduncle)
2. The limited growth of the main axis as main axis terminates in a flower
3. Both (1) and (2)
4. Presence of sessile flower

Subtopic:  Inflorescence |
 91%
From NCERT
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Which of the following is an incorrect match?
(1) Perigynous flower - Plum, rose and peach

(2) Monadelphous - Pea

(3) Epigynous flower - Guava, cucumber, and ray florets of sunflower

(4) Polyadelphous - Citrus

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 84%
From NCERT
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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

1. A - II, B - I, C - III, D - IV            

2. A - II, B - I, C - IV, D - III

3. A - I, B - II, C - III, D - IV             

4. A - II, B - IV, C - I, D - III

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 86%
From NCERT
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Identify the types of aestivation shown in the following diagram:

(1) A - Valvate, B - Twisted, C - Imbricate, D - Vexillary
(2) A - Vexillary, B - Valvate, C - Twisted, D - Imbricate
(3) A - Imbricate, B - Vexillary, C - Valvate, D - Twisted
(4) A - Twisted, B - Imbricate, C - Vexillary, D - Valvate

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 96%
From NCERT
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Match the following figures with I, II and III:
I. Hypogynous flower
II. Perigynous flower
III. Epigynous flower



1. A - I, B - II, C - III
2. A - I, B - III, C - II
3. A - III, B - II, C - I
4. A - III, B - I, C - II

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 86%
From NCERT
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