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Unit 3 Chapter 6: Plant Systematics - Taxonomy of Angiosperms — Online MCQ Test

BOTANY · CLASS 11 INTERMEDIATE 1 YEAR · Telangana State Board
Practice Unit 3 Chapter 6: Plant Systematics - Taxonomy of Angiosperms with a free chapter-wise online MCQ test. This chapter covers: This chapter covers plant classification principles family characteristics identification methods and economic importance of key angiosperm families like Fabaceae Solanaceae and Li.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Unit 3 Chapter 6: Plant Systematics - Taxonomy of Angiosperms — Important Questions & Answers

What is taxonomy in botany?
  • A. Study of plant diseases
  • B. Science of classification, identification and naming of plants
  • C. Study of plant tissues only
  • D. Study of plant physiology
Answer: B. Science of classification, identification and naming of plants
Taxonomy deals with the classification, identification and naming of plants. It is a basic branch of plant systematics.
Which family is commonly known as the legume family?
  • A. Solanaceae
  • B. Liliaceae
  • C. Fabaceae
  • D. Poaceae
Answer: C. Fabaceae
Fabaceae is commonly called the legume family because its fruits are usually legumes. It includes pea, bean and gram.
The floral formula of Fabaceae is best represented as:
  • A. ⚥ % K(5) C1+2+(2) A(9)+1 G1
  • B. ⚥ ✳ K(5) C(5) A5 G(2)
  • C. ⚥ ✳ P3+3 A3+3 G(3)
  • D. ⚥ % K4 C4 A2+4 G(2)
Answer: A. ⚥ % K(5) C1+2+(2) A(9)+1 G1
Fabaceae has zygomorphic, bisexual flowers with papilionaceous corolla and diadelphous stamens, represented by this floral formula. It is a standard diagnostic feature.
Which of the following families has diadelphous stamens?
  • A. Fabaceae
  • B. Solanaceae
  • C. Liliaceae
  • D. Asteraceae
Answer: A. Fabaceae
Diadelphous stamens, usually 9+1, are a characteristic feature of Fabaceae. This helps in identifying papilionaceous flowers.
Which statement about Fabaceae is correct?
  • A. Flowers are usually zygomorphic and papilionaceous
  • B. Leaves are always parallel veined
  • C. Fruit is usually a caryopsis
  • D. Ovary is always inferior
Answer: A. Flowers are usually zygomorphic and papilionaceous
Fabaceae commonly has zygomorphic, papilionaceous flowers. The other options describe features of different plant groups or families.