Morphology of Flowering Plants

In racemose inflorescence, .

1. The growth is limited
2. Flowers are solitary
3. Flowers are borne in an acropetal succession
4. The main axis terminates in a flower

In angiosperms, root hairs arise from which one of the following regions of the root ?

1. The region of elongation
2. The region of meristematic activity
3. The region of maturation
4. The root cap zone

Which of the following floral formula is the correct floral formula of Solanaceae family ?

1. ⚥ K(5) C(5) A5 G(2)
2. ⚥ K5 C5 A5 G(2)
3. ⚥ K(5) C(5) A5 G(2)
4. ⚥ K5 C(5) A5 G(2)

Phyllotaxy is the pattern of arrangement of .

1. sepals
2. leaves
3. flowers
4. fruits

Which of the following are characteristic features of Solanaceae family?

1. B, C and D only
2. A, B and C only
3. D only
4. A and B only

Which of the following is an example of a zygomorphic flower?

1. Pea
2. Chilli
3. Petunia
4. Datura

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below:

1. Statement I is correct but Statement II is incorrect
2. Statement I is incorrect but Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect

In the seeds of cereals, the outer covering of endosperm separates the embryo by a protein-rich layer called:

1. Integument
2. Aleurone layer
3. Coleoptile
4. Coleorhiza

Which of the following is an example of actinomorphic flower?

1. Datura
2. Cassia
3. Pisum
4. Sesbania

Identify the part of the seed from the given figure which is destined to form root when the seed germinates. [Figure]

1. A
2. B
3. C
4. D

Identify the type of flowers based on the position of calyx, corolla and androecium with respect to the ovary from the given figures (a) and (b) [Figure]

1. (a) Epigynous; (b) Hypogynous
2. (a) Hypogynous; (b) Epigynous
3. (a) Perigynous; (b) Epigynous
4. (a) Perigynous; (b) Perigynous

Which of the following examples show monocarpellary, unilocular ovary with many ovules? Choose the correct answer from the options given below :

1. B and E only
2. C, D and E only
3. A, B and D only
4. A and C only

Family Fabaceae differs from Solanaceae and Liliaceae. With respect to the stamens, pick out the characteristics specific to family Fabaceae but not found in Solanaceae or Liliaceae.

1. Polyadelphous and epipetalous stamens
2. Monoadelphous and Monothecous anthers
3. Epiphyllous and Dithecous anthers
4. Diadelphous and Dithecous anthers

Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R: In the light of the above statements, choose the correct answer from the options given below :

1. Both A and R are true but R is NOT the correct explanation of A
2. A is true but R is false
3. A is false but R is true
4. Both A and R are true and R is the correct explanation of A

Axile placentation is observed in

1. China rose, Beans and Lupin
2. Tomato, Dianthus and Pea
3. China rose, Petunia and Lemon
4. Mustard, Cucumber and Primrose

Identify the correct set of statements: Choose the correct answer from the options given below:

1. (B) and (C) only
2. (A) and (D) only
3. (B), (C), (D) and (E) only
4. (A), (B), (D) and (E) only

Which one of the following plants shows vexillary aestivation and diadelphous stamens?

1. Colchicum autumnale
2. Pisum sativum
3. Allium cepa
4. Solanum nigrum

The flowers are Zygomorphic in : Choose the correct answer from the options given below :

1. A, B and C only
2. B, C only
3. D, E only
4. C, D, E only

Which of the following statement is not correct?

1. The rhizome is thick, prostrate and branched
2. Rhizome is a condensed form of stem
3. The apical bud in rhizome always remains above the ground
4. The rhizome is aerial with no distinct nodes and internodes

The Floral Diagram represents which one of the following families? [Figure]

1. Liliaceae
2. Fabaceae
3. Brassicaceae
4. Solanaceae

Diadelphous stamens are found in

1. China rose and citrus
2. China rose
3. Citrus
4. Pea

Ray florets have

1. Superior ovary
2. Hypogynous ovary
3. Half inferior ovary
4. Inferior ovary

The ovary is half inferior in:

1. Mustard
2. Sunflower
3. Plum
4. Brinjal

The roots that originate from the base of the stem are

1. Primary roots
2. Prop roots
3. Lateral roots
4. Fibrous roots

Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is :

1. Parietal
2. Free central
3. Basal
4. Axile

Sweet potato is a modified

1. adventitious root
2. rhizome
3. stem
4. taproot

Pneumatophores occur in

1. halophytes
2. free-floating hydrophytes
3. carnivorous plants
4. submerged hydrophytes

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. Meristematic activity
2. Root cap
3. Maturation
4. Elongation