Chapter Exam

Chapter 5: Morphology of Flowering Plants — Online MCQ Test

Q: Which part of a flowering plant is mainly responsible for absorption of water and minerals from the soil?

Answer: C. Root — Roots absorb water and minerals from the soil through root hairs. They also anchor the plant firmly in the ground.

Q: The part of the root that protects the growing tip is called:

Answer: B. Root cap — The root cap protects the delicate root apex as it grows through the soil.

Q: Which of the following root modifications is seen in mangrove plants?

Answer: C. Respiratory roots — Mangroves grow in waterlogged soil and develop pneumatophores or respiratory roots for gaseous exchange.

Q: The edible part of coconut is mainly the:

Answer: B. Endosperm — In coconut, the kernel and liquid endosperm are edible; the hard fruit wall is not the edible part.

Q: In a typical flower, which sequence correctly represents the floral whorls from outside to inside?

Answer: B. Calyx, corolla, androecium, gynoecium — The floral whorls are arranged from outside to inside as calyx, corolla, androecium and gynoecium.

BIOLOGY · CLASS 11 FIRST PUC · Karnataka State Board

Practice Chapter 5: Morphology of Flowering Plants with a free chapter-wise online MCQ test for Karnataka State Board CLASS 11 FIRST PUC BIOLOGY. This chapter covers: Root Stem Leaf Inflorescence Flower Fruit Seed Morphology Modifications Floral Parts. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 5: Morphology of Flowering Plants — Important Questions & Answers (FAQ)

Frequently asked questions from Karnataka State Board CLASS 11 FIRST PUC BIOLOGY — Chapter 5: Morphology of Flowering Plants, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which part of a flowering plant is mainly responsible for absorption of water and minerals from the soil?

A. Stem
B. Leaf
C. Root ✓
D. Flower

Answer: C. Root
Roots absorb water and minerals from the soil through root hairs. They also anchor the plant firmly in the ground.

The part of the root that protects the growing tip is called:

A. Calyx
B. Root cap ✓
C. Root hair
D. Pericycle

Answer: B. Root cap
The root cap protects the delicate root apex as it grows through the soil.

Which of the following root modifications is seen in mangrove plants?

A. Storage roots
B. Prop roots
C. Respiratory roots ✓
D. Clinging roots

Answer: C. Respiratory roots
Mangroves grow in waterlogged soil and develop pneumatophores or respiratory roots for gaseous exchange.

The edible part of coconut is mainly the:

A. Pericarp
B. Endosperm ✓
C. Cotyledon
D. Embryo sac

Answer: B. Endosperm
In coconut, the kernel and liquid endosperm are edible; the hard fruit wall is not the edible part.

In a typical flower, which sequence correctly represents the floral whorls from outside to inside?

A. Gynoecium, androecium, corolla, calyx
B. Calyx, corolla, androecium, gynoecium ✓
C. Corolla, calyx, gynoecium, androecium
D. Androecium, gynoecium, calyx, corolla

Answer: B. Calyx, corolla, androecium, gynoecium
The floral whorls are arranged from outside to inside as calyx, corolla, androecium and gynoecium.