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Chapter 1: The Living World
11 questions
2
Chapter 2: Biological Classification
12 questions
3
Chapter 3: Plant Kingdom
12 questions
Q1
Explain briefly the following terms with suitable examples :
(i) Protonema
(ii) Antheridium
(iii) Archegonium
(iv) Diplontic
(v) Sporophyll
(vi) Isogamy
(i) Protonema
(ii) Antheridium
(iii) Archegonium
(iv) Diplontic
(v) Sporophyll
(vi) Isogamy
Q2
Differentiate between the following:
(i) Red algae and brown algae
(ii) Liverworts and moss
(iii) Homosporous and heterosporous pteridophyte
(iv) Syngamy and triple fusion
(i) Red algae and brown algae
(ii) Liverworts and moss
(iii) Homosporous and heterosporous pteridophyte
(iv) Syngamy and triple fusion
Q3
How would you distinguish monocots from dicots?
View all question4
Chapter 4: Animal Kingdom
15 questions
5
Chapter 5: Morphology of Flowering Plants
15 questions
6
Chapter 6: Anatomy of Flowering Plants
12 questions
7
Chapter 7: Structural Organization in Animals
14 questions
8
Chapter 8: Cell: The Unit of Life
14 questions
9
Chapter 9: Biomolecules
15 questions
10
Chapter 10: Cell Cycle and Cell Division
16 questions
11
Chapter 11: Transport in Plants
16 questions
12
Chapter 12: Mineral Nutrition
10 questions
13
Chapter 13: Photosysnthesis in Higher Plants
9 questions
14
Chapter 14: Respiration in Plants
12 questions
15
Chapter 15: Plant Growth and Development
11 questions
16
Chapter 16: Digestion and Absorption
15 questions
17
Chapter 17: Breathing and Exchange of Gases
14 questions
18
Chapter 18: Body Fluids and Circulation
14 questions
19
Chapter 19: Excretory Products and their Elimination
12 questions
20
Chapter 20: Locomotion and Movement
10 questions
21
Chapter 21: Neural Control and Coordination
12 questions
22
Chapter 22: Chemical Coordination and Integration
9 questions
Question
Medium
Solving time: 8 mins
Differentiate between the following:
(i) Red algae and brown algae
(ii) Liverworts and moss
(iii) Homosporous and heterosporous pteridophyte
(iv) Syngamy and triple fusion
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Text solution
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(i)
| Red Algae | Brown algae |
| Red algae are grouped under the class Rhodophyceae. | Brown algae are grouped under the class Phaeophyceae. |
| They contain floridean starch as stored food. | They contain mannitol or laminarin as stored food. |
| They contain the photosynthetic pigments chlorophylls a and d, and phycoerythrin. | They contain the photosynthetic pigments chlorophylls a and c, and fucoxanthin. |
| Their cell walls are composed of cellulose, pectin, and phycocolloids. | Their cell walls are composed of cellulose and algin. |
| Flagella are absent. | Two flagella are present. |
(ii)
| Liverworts | Moss | ||
| They have unicellular rhizoids. | They have multicellular rhizoids. | ||
| Scales are present very often. | Scales are absent. | ||
| They are generally thalloid, with dichotomous branching. | They are foliage, with lateral branching. | ||
| Gemma cups are present. | Gemma cups are absent. | ||
| Sporophyte has a very little photosynthetic tissue. | Sporophyte has an abundant photosynthetic tissue. |
| Homosporous | Heterosporous |
| They bear spores that are of the same type. | They bear two kinds of spores – microspores and megaspores, differing in size. |
| They produce bisexual gametophytes. | They produce unisexual gametophytes. |
| Syngamy | Triple fusion | ||
| It is the process of fusion of the male gamete with the egg in an angiosperm. | It is the process of fusion of the male gamete with the diploid secondary nucleus in an angiosperm. | ||
| A diploid zygote is formed as a result of syngamy. | A triploid primary endosperm is formed as a result of triple fusion. |
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Practice more questions from Biology (NCERT)
Q1
Explain briefly the following terms with suitable examples :
(i) Protonema
(ii) Antheridium
(iii) Archegonium
(iv) Diplontic
(v) Sporophyll
(vi) Isogamy
(i) Protonema
(ii) Antheridium
(iii) Archegonium
(iv) Diplontic
(v) Sporophyll
(vi) Isogamy
Q2
Differentiate between the following:
(i) Red algae and brown algae
(ii) Liverworts and moss
(iii) Homosporous and heterosporous pteridophyte
(iv) Syngamy and triple fusion
(i) Red algae and brown algae
(ii) Liverworts and moss
(iii) Homosporous and heterosporous pteridophyte
(iv) Syngamy and triple fusion
Q3
How would you distinguish monocots from dicots?
View allPractice questions from Biology (NCERT)
Question 2
Medium
Views: 5,546
1. Protonemal cell of a moss
2. Primary endosperm nucleus in dicot
3. Leaf cell of a moss
4. Prothallus cell of a fern
5. Gemma cell in Marchantia
6. Meristem cell of a monocot
7. Ovum of a liverwort
8. Zygote of a fern
Question 3
Easy
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Question 4
Medium
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Practice more questions from Plant Kingdom
Question 2
Hard
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Which of the following statements are correct for the given bryophyte species above. I. The given diagram represent Sphagnum gametophyte. II. The given species is a liverwort. III.It provides peat. IV. Scales and elaters are not found in it. Codes (a) II and III (b) I and IV (c) II, III and IV (d) I, III and IV (ii) A bryophyte found in dry habitat is (a) Polytrichum (b) Marchantia (c) Riccia (d) All of these (iii) The thallus of bryophytes (a) possesses roots (b) bears very small leaves (c) is more differentiated than that of algae (d) All of the above (iv) The female sex organ in bryophytes is (a) conspicous and reduced (b) flask-shaped structure of thallus (c) called sporophyll (d) Both (a) and (b) (v) Marchantia is a bryophyte used to cure (a) lung infection (b) skin rashes (c) joint pain (d) All of these
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| Question Text | Differentiate between the following: (i) Red algae and brown algae (ii) Liverworts and moss (iii) Homosporous and heterosporous pteridophyte (iv) Syngamy and triple fusion |
| Topic | Plant Kingdom |
| Subject | Biology |
| Class | Class 11 |
| Answer Type | Text solution:1 |
| Upvotes | 86 |
