Morphology of Flowering Plants - NCERT based PYQsContact Number: 9667591930 / 8527521718Morphology of Flowering Plants - NCERT based PYQsContact Number: 9667591930 / 8527521718The term 'polyadelphous' is related to?
1. gynoecium
2. androecium
3. corolla
4. calyx
Radial symmetry is found in the flowers of?
1. Brassica
2. Trifolium
3. Pisum
4. Cassia
Free-central placentation is found in?
1. Dianthus
2. Argemone
3. Brassica
4. Citrus
Coconut fruit is a:
1. Berry
2. Nut
3. Capsule
4. Drupe
In Bougainvillea thorns are the modifications of:
1. Adventitious root
2. Stem
3. Leaf
4. Stipules
Root hairs develop from the region of:
1. Elongation
2. Root cap
3. Meristematic activity
4. Maturation
The wheat grain has an embryo with one large, shield-shaped cotyledon known as?
1. epiblast
2. coleorrhiza
3. scutellum
4. coleoptile
Axile placentation is present in?
1. Dianthus
2. Lemon
3. Pea
4. Argemone
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
Keel is the characteristic feature of a flower of:
Perigynous flowers are found in:
The hilum is a scar on the:
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
Which one of the following statements is correct?
| 1. | The seed in grasses is not endospermic |
| 2. | Mango is a parthenocarpic fruit |
| 3. | A proteinaceous aleurone layer is present in maize grain. |
| 4. | A sterile pistil is called a staminode. |
Example of an edible underground stem is:
1. Carrot
2. Groundnut
3. Sweet potato
4. Potato
Placentation in tomato and lemon is:
1. Parietal
2. free central
3. marginal
4. axile
Cymose inflorescence is present in:
1. Solanum
2. Sesbania
3. Trifolium
4. Brassica
Vexillary aestivation is characteristic of the family:
1. Fabaceae
2. Asteraceae
3. Solanaceae
4. Brassicaceae
In unilocular ovary with a single ovule, the placentation is:
1. marginal
2. basal
3. free central
4. axile
The correct floral formula of chilli is:
| 1. | ⊕⚥K5 C5 A5 G(2) | 2. | ⊕⚥K5 C5 A5 G(2) |
| 3. | ⊕⚥K(5) C(5)A5 G(2) | 4. | ⊕⚥K(5) C5 A5 G(2) |
1. gulmohur
2. tomato
3. datura
4. mustard
1. cucumber
2. cotton
3. guava
4. peach
The technical term used for the androecium in a flower of China rose (Hibiscus rosa-sinensis) is:
1. monadelphous
2. diadelphous
3. polyandrous
4. polyadelphous
The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?
1. Cotyledon
2. Endosperm
3. Aleurone layer
4. Plumule
The floral formula 
1. tulip
2. soybean
3. sunn hemp
4. tobacco
An example of axile placentation is:
1. Argemone
2. Dianthus
3. Lemon
4. Marigold
What type of placentation is seen in sweet pea?
1. Basal
2. Axile
3. Free-central
4. Marginal
Pentamerous, actinomorphic flowers, bicarpillary ovary with oblique septa, and fruit a capsule or berry, are characteristic features of:
1. Asteraceae
2. Brassicaceae
3. Solanaceae
4. Liliaceae
Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is:
1. Free central
2. basal
3. Axile
4. Parietal
Which of the following shows whorled phyllotaxy ?
1. Mustard
2. China rose
3. Alstonia
4. Calotropis
Bicarpellary ovary with obliquely placed septum is seen in:
1. Brassica
2. Aloe
3. Solanum
4. Sesbania
Match the placental types Column I with their examples Column II
| Column I | Column II | ||
| (a) | Basal | (i) | Mustard |
| (b) | Axile | (ii) | China rose |
| (c) | Parietal | (iii) | Dianthus |
| (d) | Free central | (iv) | Sunflower |
Choose the correct answer from the following options:
| Options: | (a) | (b) | (c) | (d) |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (i) | (ii) | (iii) | (iv) |
| 3. | (iv) | (ii) | (i) | (iii) |
| 4. | (iii) | (iv) | (i) | (ii) |
Ray florets have:
| 1. | Superior ovary | 2. | Hypogynous ovary |
| 3. | Half-inferior ovary | 4. | Inferior ovary |
The roots that originate from the base of the stem are:
1. Primary roots
2. Prop roots
3. Lateral roots
4. Fibrous roots
The ovary is half inferior in:
1. Mustard
2. Sunflower
3. Plum
4. Brinjal
Correct position of floral parts over thalamus in the mustard plant is:
| 1. | Gynoecium occupies the highest position, while the other parts are situated below it. |
| 2. | Margin of the thalamus grows upward, enclosing the ovary completely, and other parts arise below the ovary. |
| 3. | Gynoecium is present in the center and other parts cover it partially. |
| 4. | Gynoecium is situated in the center, and other parts of the flower are located at the rim of the thalamus, at the same level. |
Which of the following is the correct floral formula of Liliaceae?
| 1. |  |
| 2. |  |
| 3. |  |
| 4. |  |
Identify the correct features of Mango and Coconut fruits.
| (i) | In both, fruit is a drupe |
| (ii) | Endocarp is edible in both |
| (iii) | Mesocarp in Coconut is fibrous, and in Mango, it is fleshy |
| (iv) | In both, the fruit develops from the monocarpellary ovary |
Select the correct option from below:
1. (i), (iii) and (iv) only
2. (i), (ii) and (iii) only
3. (i) and (iv) only
4. (i) and (ii) only
Which one of the following organisms is correctly matched with its three characteristics?
| 1. | Tomato: Twisted aestivation, Axile placentation, Berry |
| 2. | Onion: Bulb, Imbricate aestivation, Axile placentation |
| 3. | Maize: C 3 pathway, Closed vascular bundles, Scutellum |
| 4. | Pea: C 3 pathway, Endospermic seed, Vaxillary aestivation |
Consider the following four statements A, B, C & D and select the right option for two correct statements:
| (A) | In vexillary aestivation, the large posterior petal is called standard, two lateral ones are wings and two small anterior petals are termed keel |
| (B) | The floral formula for Liliaceae is  |
| (C) | In pea flower the stamens are monadelphous |
| (D) | The floral formula for Solanaceae is  |
The correct statements are:
1. A and B
2. B and C
3. C and D
4. A and C
The correct floral formula of soybean is:
| 1. | %  K5 C1 + (2) + 2 A(9)+1 G1 |
| 2. | % K(5) C1 + 2 + (2) A(9)+1 G1 |
| 3. | %  K(5) C1 + 2 + (2) A1+(9) G1 |
| 4. | %  K(5) C1 + (2) + 2 A(9)+1 G1 |
Aestivation of petals in the flower of cotton is correctly shown in:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Which one of the following is a xerophytic plant in which the stem is modified into a flat green and succulent structure:
1. Casuarina
2. Hydrilla
3. Acacia
4. Opuntia
Which one of the following diagrams represents the placentation in Dianthus?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Whorled, simple leaves with reticulate venation are present in:
| 1. | Alstonia | 2. | Calotropis |
| 3. | Neem | 4. | China Rose |
The edible part of the mango is:
1. Receptacle
2. Epicarp
3. Mesocarp
4. Endocarp
In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order:
| 1. | Root cap, cell division, cell maturation, cell enlargement |
| 2. | Cell division, cell enlargement, cell maturation, root cap |
| 3. | Cell division, cell maturation, cell enlargement, root cap |
| 4. | Root cap, cell division, cell enlargement, cell maturation |
Pneumatophores are found in:
1. The vegetation is found in marshy and saline lake
2. The vegetation is found in saline soil
3. Xerophytes
4. Epiphytes
Edible part of mango is:
1. Mesocarp
2. Epicarp
3. Endocarp
4. Epidermis
The aleurone layer in maize grain is especially rich in:
| 1. | Proteins | 2. | Starch |
| 3. | Lipids | 4. | Auxins |
Diadelphous stamens are found in:
1. Pea
2. China rose and citrus
3. China rose
4. Citrus
Match Column I with Column II
| Column I | Column II | ||
| (a) |  |
(i) | Brassicaceae |
| (b) |  |
(ii) | Liliaceae |
| (c) | .svg-cropped.svg) |
(iii) | Fabaceae |
| (d) | .svg-cropped.svg) |
(iv) | Solanaceae |
Select the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (iv) | (ii) | (i) | (iii) |
| 3. | (iii) | (iv) | (ii) | (i) |
| 4. | (i) | (ii) | (iii) | (iv) |
Identify the correct set of statements:
| (a) | The leaflets are modified into pointed hard thorns in Citrus and Bougainvillea. |
| (b) | Axillary buds form slender and spirally coiled tendrils in cucumber and pumpkin. |
| (c) | Stem is flattened and fleshy in Opuntia and modified to perform the function of leaves. |
| (d) | Rhizophora shows vertically upward growing roots that help to get oxygen for respiration. |
| (e) | Subaerially growing stems in grasses and strawberry help in vegetative propagation. |
Choose the correct answer from the options given below:
1. (a), (b), (d), and (e) only
2. (b), (c) only
3. (a), (d) only
4. (b), (c), (d) and (e) only
Which one of the following plants shows vexillary aestivation and diadelphous stamens?
1. Solanum nigrum
2. Colchicum autumnale
3. Pisum sativum
4. Allium cepa
Identify the correct statements related to the androecium in the flower.
| (a) | The sterile stamens are called staminodes |
| (b) | When stamens are attached to petals they are called epipetalous |
| (c) | Monadelphy is seen in China-rose |
| (d) | Polyadelphy is seen in Pea |
| (e) | Variation in the length of anther filaments is seen in Mustard |
Choose the correct answer from the options given below:
1. (a), (c), (d) and (e) only
2. (a) , (b), (c) and (e) only
3. (a) , (b) and (c) only
4. (b) , (c) and (d) only
Choose the mismatched pair of leaf character with its example:
1. Palmately compound - Alstonia
2. Alternate Phyllotaxy - China-rose
3. Leaf tendril - Pea
4. Opposite phyllotaxy - Calotropis
Which of the following plants possesses the placentation of ovules borne on central axis with no septa?
1. Lemon
2. Pea
3. China-rose
4. Primrose
| 1. | Fabaceae | 2. | Brassicaceae |
| 3. | Solanaceae | 4. | Liliaceae |
| List-I | List-II | ||
| (a) | Imbricate | (i) | Calotropis |
| (b) | Valvate | (ii) | Cassia |
| (c) | Vexillary | (iii) | Cotton |
| (d) | Twisted | (iv) | Bean |
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (i) | (iii) | (iv) |
| 2. | (ii) | (i) | (iv) | (iii) |
| 3. | (ii) | (iv) | (iii) | (i) |
| 4. | (i) | (iii) | (iv) | (ii) |
| 1. | Rhizome is a condensed form of stem. |
| 2. | The apical bud in rhizome always remains above the ground. |
| 3. | The rhizome is aerial with no distinct nodes and internodes. |
| 4. | The rhizome is thick, prostrate and branched. |