Daily Practice Problems Plant Kingdom

Question 1:

Choose the correct options:

1. Frond, stipe and holdfast makes up the plant body in which of the following classes of algae?

(a) Chlorophyceace

(b) Rhodophyceae

(d) All of the above

2. From which of the following is agar-agar obtained?

(a) Gelidium

(b) Ulothrix

(d) Chlamydomonas

3. An example of gymnosperm that forms one of the tallest tree species is:

(a) Cycas

(b) Sequoia

(d) Ginkgo

4. A moss species that has good water holding capacity?

(a) Sphagnum

(b) Funaria

(d) Marchantia

Question 2:

Name the following:

1. A branch of taxonomy which is based on cytological information like chromosome number, structure and behaviour.

2. An example of colonial algae.

3. The phenomenon of producing only one type of spores.

4. The reserve food material in members of Rhodophyceae.

5. The green, multicellular, asexual buds that develop in small receptacles in liverworts.

Question 3:

Fill in the blanks with appropriate words:

1. The natural system of classification for flowering plants was given by __________ and __________.

2. The fusion of one large non-motile female gamete with a smaller motile male gamete is called __________.

3. The male sex organ in bryophytes is called _________ while the female sex organ is called _________.

4. The fertile leaf-like appendages that bear the sporangia are called __________.

5. In gymnosperms, the sporophylls are arranged spirally along an axis to form __________.

Question 4:

Complete the given analogies by observing the relation between the first two words and then filling an appropriate word at the fourth place:

1. Phaeophyceae : Fucoxanthin :: Rhodophyceae : __________

2. Marchantia: Liverwort :: Funaria : __________

3. Male gametophyte : Microspore :: Female gametophyte : __________

4. Monocots : Parallel venation :: Dicots : __________

5. Diploid : Zygote :: Triploid : ___________

Question 5:

State the ploidy of the following structures:

1. Gemma cell of Marchantia

2. Primary endosperm nucleus of angiosperm

3. Antherozoids of bryophytes

4. Zygote of a pteridophyte

5. Protonema stage of mosses

Question 6:

Define the following terms:

1. Protonema

2. Double fertilisation

3. Heterospory

4. Haplontic lifecycle

5. Gemma cups

Question 7:

State whether the following statements are true or false.

1. In bryophytes, the gametophyte is dependent on the sporophyte.

2. Zoospores found in members of Chlorophyceae are motile spores.

3. Laminarin and mannitol are reserve food material in red algae

4. Evolutionarily, pteridophytes are the first terrestrial plants to possess vascular tissues.

5. In gymnosperms, ovules are not enclosed within the ovary.

Question 8:

Match the columns A and B.

Column A	Column B
1. Selaginella	a. Gymnosperm
2. Amphibians of plant kingdom	b. Heterosporous
3. Pinus	c. Filamentous algae
4. Gelidium	d. Bryophytes
5. Spirogyra	e. Agar

Question 9:

Identify the groups of plant kingdom to which the following belong to:

1. Equisetum

2. Cycas

3. Sphagnum

4. Sargassum

5. Ulothrix

Question 10:

Name the dominant phase in the life cycles of the following plant groups:

1. Algae

2. Bryophytes

3. Pteridophytes

4. Gymnosperms

5. Angiosperms

Question 11:

Differentiate between the three classes of algae based on the following characteristics:

(i) Pigments present

(ii) Reserve food material

(iii) Habitat

Question 12:

Write down any four economic importance of algae.

Question 13:

Why are bryophytes called the ‘amphibians of plant kingdom’?

Question 14:

How are liverworts different from mosses?

Question 15:

Briefly explain what is meant by heterospory? Give any two examples of pteridophytes that exhibit heterospory.

Question 16:

List down any six characteristics of gymnosperms.

Question 17:

List down any four chief characteristics of angiosperms.

Question 18:

Name the groups into which angiosperms are classified. Give any four points of distinction between them.

Question 19:

What is meant by ‘syngamy’ and ‘triple fusion’? What are these phenomena collectively called? Name the group of plant kingdom to which this phenomenon is unique.

Question 20:

Draw a diagrammatic representation of Haplo-diplontic life cycle. Also mention any one example of an organism that exhibits this type of life cycle.

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Our Daily Practice Problems (DPPs) offer a diverse range of question types, including Multiple Choice Questions (MCQs) as well as short and long answer types. These questions are categorized into Easy, Moderate, and Difficult levels, allowing students to gradually progress and challenge themselves accordingly. Additionally, comprehensive solutions are provided for each question, available for download in PDF format - Download pdf solutions as well as Download pdf Questions. This approach fosters a holistic learning experience, catering to different learning styles, promoting self-assessment, and improving problem-solving skills. With our well-structured DPPs, students can excel in exams while gaining a deeper understanding of the subject matter. Hope you found the content on Class 11 Biology Plant Kingdom NCERT Chapter 3 useful.

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