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Important Questions

Plant Kingdom

ICSE · Class 11 · Biology

Most important questions from Plant Kingdom for ICSE Class 11 Biology board exam 2026. MCQs, short answer, and long answer questions with marks.

104 questions46 flashcards5 concepts

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A comparative diagram illustrating isogamy, anisogamy, and oogamy, showing the morphological characteristics of gametes and their fusion.
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104 Questions·
multiple choicetrue false

Sample Questions

1multiple choice
1 marks

Agar-agar is obtained from which group of algae?

Show answer

Red algae

Agar-agar is extracted from red algae, primarily from Gelidium (lace-like) and Gracilaria. It is used in culture media, food industry, pharmaceuticals and cosmetics.

2multiple choice
1 marks

Which of the following is a moss (bryophyte)?

Show answer

Funaria

Funaria is a moss (bryophyte) with a two-stage gametophyte: protonema and leafy gametophore. Marchantia is a liverwort, Selaginella is a pteridophyte, and Psilotum is also a pteridophyte.

3multiple choice
1 marks

Pteridophytes are distinguished from bryophytes by the presence of:

Show answer

Vascular tissue

Pteridophytes are the first vascular plants — they possess true xylem (tracheids) and phloem (sieve tubes). Bryophytes completely lack vascular tissue and rely on diffusion.

4true false
1 marks

Gymnosperms have seeds enclosed in a fruit (ovary).

Show answer

False

Gymnosperms have NAKED seeds — ovules are borne openly on the surface of megasporophylls, NOT enclosed in an ovary. The name 'gymnosperm' means 'naked seed'. Only angiosperms have seeds enclosed in fruits.

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Frequently Asked Questions

What are the important topics in Plant Kingdom for ICSE Class 11 Biology?
Key topics in Plant Kingdom include Plant Kingdom – Overview Mind Map, Plant Kingdom Classification Overview, Hierarchical classification of major plant groups showing evolutionary progression from simple algae to complex flowering plants. These are the concepts ICSE Class 11 examiners draw on most — study them first, then practise related questions.
How to score full marks in Plant Kingdom — ICSE Class 11 Biology?
Understand the core concepts first, then work through the 104 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Plant Kingdom?
There are 104 practice questions available for Plant Kingdom. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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