Chapter Exam

Chapter 17: Reproduction in Plants and Animals — Online MCQ Test

Q: The process by which plants reproduce from vegetative parts like stem, root, or leaf is known as:

Answer: B. Vegetative propagation — Vegetative propagation is an asexual method where new plants grow from vegetative parts of the parent plant.

Q: Which part of the flower develops into the fruit after fertilization?

Answer: C. Ovary — After fertilization, the ovary enlarges and matures to become the fruit, while ovules become seeds.

Q: Which of these is NOT a method of natural vegetative propagation?

Answer: A. Layering — Layering is an artificial method, whereas runners, offsets, and suckers are natural methods.

Q: In vegetative propagation using Bryophyllum, the new plants grow from:

Answer: C. Foliar buds on leaf margins — Bryophyllum propagates through epiphyllous buds (foliar buds) present on the margins of its leaves.

SCIENCE · CLASS 10th · Tamil Nadu State Board

Practice Chapter 17: Reproduction in Plants and Animals with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 10th SCIENCE. This chapter covers: This chapter details vegetative propagation floral structure pollination fertilization in plants alongside human gametogenesis and embryonic development. Students examine reproduct.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 17: Reproduction in Plants and Animals — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 10th SCIENCE — Chapter 17: Reproduction in Plants and Animals, with answers and explanations. These are sample questions; the exam has its own separate question set.

The process by which plants reproduce from vegetative parts like stem, root, or leaf is known as:

A. Sexual reproduction
B. Vegetative propagation ✓
C. Pollination
D. Fertilization

Answer: B. Vegetative propagation
Vegetative propagation is an asexual method where new plants grow from vegetative parts of the parent plant.

Which part of the flower develops into the fruit after fertilization?

A. Ovule
B. Stamen
C. Ovary ✓
D. Petal

Answer: C. Ovary
After fertilization, the ovary enlarges and matures to become the fruit, while ovules become seeds.

Which of these is NOT a method of natural vegetative propagation?

A. Layering ✓
B. Runner
C. Offset
D. Sucker

Answer: A. Layering
Layering is an artificial method, whereas runners, offsets, and suckers are natural methods.

Compare self-pollination and cross-pollination. Which statement is true?

A. Self-pollination leads to high genetic variation.
B. Cross-pollination requires the same plant.
C. Self-pollination occurs in genetically similar flowers. ✓
D. Cross-pollination never requires external agents.

Answer: C. Self-pollination occurs in genetically similar flowers.
Self-pollination occurs within the same flower or different flowers on the same plant, maintaining genetic uniformity.

In vegetative propagation using Bryophyllum, the new plants grow from: