Axile placentation is observed in

NEET-2023 Morphology-of-Flowering-Plants [class-xi ]

• China rose, Petunia and Lemon
• Mustard, Cucumber and Primorose
• China rose, Beans and Lupin
• Tomato, Dianthus and Pea
Correct Option: A  [ China rose, Petunia and Lemon ]

Remark:

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.

NEET-2023 Morphology-of-Flowering-Plants [class-xi ]

• Epiphyllous and Dithecous anthers
• Diadelphous and Dithecous anthers
• Polyadelphous and epipetalous stamens
• Monoadelphous and Monothecous anthers
Correct Option: B  [ Diadelphous and Dithecous anthers ]

Remark:

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

NEET-2022 Morphology-of-Flowering-Plants [class-xi ]

• Colchicum autumnale
• Pisum sativum
• Allium cepa
• Solanum nigrum
Correct Option: B  [ Pisum sativum ]

Remark:

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 :

NEET-2022 Morphology-of-Flowering-Plants [class-xi ]

• B and C Only
• A and D Only
• B, C, D and E Only
• A, B, D and E Only
Correct Option: C  [ B, C, D and E Only ]

Remark:

The flowers are Zygomorphic in:
A. Mustard.
B. Gulmohar.
C. Cassia.
D. Datura.
E. Chilly.
Choose the correct answer from the options given below:

NEET-2022 Morphology-of-Flowering-Plants [class-xi ]

• A, B and C Only
• B and C Only
• D and E Only
• C, D and E Only
Correct Option: B  [ B and C Only ]

Remark:

Diadelphous stamens are found in:

NEET-2021 Morphology-of-Flowering-Plants [class-xi ]

• China rose
• Citrus
• Pea
• China rose and citrus
Correct Option: C  [ Pea ]

Remark:

Match Column-I with Column-II.
Choose the correct answer from the options given below:

NEET-2021 Morphology-of-Flowering-Plants [class-xi ]

• A-I, B-II, C-III, D-IV
• A-II, B-III, C-IV, D-I
• A-IV, B-II, C-I, D-III
• A-III, B-IV, C-II, D-I
Correct Option: D  [ A-III, B-IV, C-II, D-I ]

Remark:

Identify the incorrect statement.

NEET-(Sept)2020 Morphology-of-Flowering-Plants [class-xi ]

• Heart wood does not conduct water but gives mechanical support.
• Sapwood is involved in conduction of water and minerals from root to leaf.
• Sapwood is the innermost secondary xylem and is lighter in colour.
• Due to deposition of tannins, resins, oils etc., heart wood is dark in colour.
Correct Option: C  [ Sapwood is the innermost secondary xylem and is lighter in colour. ]

Remark:

The roots that originate from the base of the stem are:

NEET-(Sept)2020 Morphology-of-Flowering-Plants [class-xi ]

• Fibrous roots
• Primary roots
• Prop roots
• Lateral roots
Correct Option: A  [ Fibrous roots ]

Remark:

Ray florets have:

NEET-(Sept)2020 Morphology-of-Flowering-Plants [class-xi ]

• Inferior ovary
• Superior ovary
• Hypogynous ovary
• Half inferior ovary
Correct Option: A  [ Inferior ovary ]

Remark: