331924
Statement A : In liverworts after meiosis gametes are produced within the capsule. Statement B : Gametophytes are free living in mosses.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
Explanation:
In liverworts after meiosis ‘spores’ are produced within the capsule.
BIOXI03: PLANT KINGDOM
331925
The thallus of liverworts are
1 Anterio-posterior and appressed to substrate.
2 Dorsiventral and appressed to substrate.
3 Lateroventral and appressed to substrate
4 Dorsi-medial and appressed to substrate.
Explanation:
The thallus in liverworts is dorsiventral and closely appressed to the substrate.
BIOXI03: PLANT KINGDOM
331907
A plant shows thallus level of organization. It shows rhizoids and is haploid. It needs water to complete its life cycle because the male gametes are motile. Identify the group to which it belongs to
1 Pteridophytes
2 Gymnosperms
3 Monocots
4 Bryophytes
Explanation:
Plants from monocots and gymnosperms do not need water for fertilization. Byrophytes and pteridophytes need water for fertilization. But pteridophytes have true roots. Hence,‘d’ is the correct option.
NCERT Exempler
BIOXI03: PLANT KINGDOM
331908
Which of the following characters are shown by bryophytes
1 A plant shows thallus level of organization
2 It needs water to complete its life cycle
3 Rhizoids are haploid
4 All the above
Explanation:
The plant body of bryophytes is more differentiated than that of algae. It is thallus like and prostrate or erect, and attached to the substratum by unicellular or multicellular haploid rhizoids. Bryophytes are also called amphibians of the plant kingdom because these plants can live in soil but are dependent on water for sexual reproduction.
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BIOXI03: PLANT KINGDOM
331924
Statement A : In liverworts after meiosis gametes are produced within the capsule. Statement B : Gametophytes are free living in mosses.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
Explanation:
In liverworts after meiosis ‘spores’ are produced within the capsule.
BIOXI03: PLANT KINGDOM
331925
The thallus of liverworts are
1 Anterio-posterior and appressed to substrate.
2 Dorsiventral and appressed to substrate.
3 Lateroventral and appressed to substrate
4 Dorsi-medial and appressed to substrate.
Explanation:
The thallus in liverworts is dorsiventral and closely appressed to the substrate.
BIOXI03: PLANT KINGDOM
331907
A plant shows thallus level of organization. It shows rhizoids and is haploid. It needs water to complete its life cycle because the male gametes are motile. Identify the group to which it belongs to
1 Pteridophytes
2 Gymnosperms
3 Monocots
4 Bryophytes
Explanation:
Plants from monocots and gymnosperms do not need water for fertilization. Byrophytes and pteridophytes need water for fertilization. But pteridophytes have true roots. Hence,‘d’ is the correct option.
NCERT Exempler
BIOXI03: PLANT KINGDOM
331908
Which of the following characters are shown by bryophytes
1 A plant shows thallus level of organization
2 It needs water to complete its life cycle
3 Rhizoids are haploid
4 All the above
Explanation:
The plant body of bryophytes is more differentiated than that of algae. It is thallus like and prostrate or erect, and attached to the substratum by unicellular or multicellular haploid rhizoids. Bryophytes are also called amphibians of the plant kingdom because these plants can live in soil but are dependent on water for sexual reproduction.
331924
Statement A : In liverworts after meiosis gametes are produced within the capsule. Statement B : Gametophytes are free living in mosses.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
Explanation:
In liverworts after meiosis ‘spores’ are produced within the capsule.
BIOXI03: PLANT KINGDOM
331925
The thallus of liverworts are
1 Anterio-posterior and appressed to substrate.
2 Dorsiventral and appressed to substrate.
3 Lateroventral and appressed to substrate
4 Dorsi-medial and appressed to substrate.
Explanation:
The thallus in liverworts is dorsiventral and closely appressed to the substrate.
BIOXI03: PLANT KINGDOM
331907
A plant shows thallus level of organization. It shows rhizoids and is haploid. It needs water to complete its life cycle because the male gametes are motile. Identify the group to which it belongs to
1 Pteridophytes
2 Gymnosperms
3 Monocots
4 Bryophytes
Explanation:
Plants from monocots and gymnosperms do not need water for fertilization. Byrophytes and pteridophytes need water for fertilization. But pteridophytes have true roots. Hence,‘d’ is the correct option.
NCERT Exempler
BIOXI03: PLANT KINGDOM
331908
Which of the following characters are shown by bryophytes
1 A plant shows thallus level of organization
2 It needs water to complete its life cycle
3 Rhizoids are haploid
4 All the above
Explanation:
The plant body of bryophytes is more differentiated than that of algae. It is thallus like and prostrate or erect, and attached to the substratum by unicellular or multicellular haploid rhizoids. Bryophytes are also called amphibians of the plant kingdom because these plants can live in soil but are dependent on water for sexual reproduction.
331924
Statement A : In liverworts after meiosis gametes are produced within the capsule. Statement B : Gametophytes are free living in mosses.
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
Explanation:
In liverworts after meiosis ‘spores’ are produced within the capsule.
BIOXI03: PLANT KINGDOM
331925
The thallus of liverworts are
1 Anterio-posterior and appressed to substrate.
2 Dorsiventral and appressed to substrate.
3 Lateroventral and appressed to substrate
4 Dorsi-medial and appressed to substrate.
Explanation:
The thallus in liverworts is dorsiventral and closely appressed to the substrate.
BIOXI03: PLANT KINGDOM
331907
A plant shows thallus level of organization. It shows rhizoids and is haploid. It needs water to complete its life cycle because the male gametes are motile. Identify the group to which it belongs to
1 Pteridophytes
2 Gymnosperms
3 Monocots
4 Bryophytes
Explanation:
Plants from monocots and gymnosperms do not need water for fertilization. Byrophytes and pteridophytes need water for fertilization. But pteridophytes have true roots. Hence,‘d’ is the correct option.
NCERT Exempler
BIOXI03: PLANT KINGDOM
331908
Which of the following characters are shown by bryophytes
1 A plant shows thallus level of organization
2 It needs water to complete its life cycle
3 Rhizoids are haploid
4 All the above
Explanation:
The plant body of bryophytes is more differentiated than that of algae. It is thallus like and prostrate or erect, and attached to the substratum by unicellular or multicellular haploid rhizoids. Bryophytes are also called amphibians of the plant kingdom because these plants can live in soil but are dependent on water for sexual reproduction.