331954
Which of the statements given below are correct about protonema?
1 Adult stage of moss is protonema
2 It consists of slender, green, branching system of filaments
3 Develops directly from a zygote
4 All of the above
Explanation:
The first stage of gametophyte in mosses is the protonema stage, which develops directly from a spore. It is a creeping, green, branched and frequently filamentous stage.
BIOXI03: PLANT KINGDOM
331955
Which stage bears sex organs in the species given below-
1 Protonema stage
2 Leafy stage
3 All stages
4 Juvenile stage
Explanation:
The second stage in the life cycle of a gametophyte, that is the leafy stage bears sex organs.
BIOXI03: PLANT KINGDOM
331957
Match the columns I and II. Column I Column II A Chlorophyceae P Flagella is absent B Phaeophyceae Q Multicellular and branched rhizoids C Rhodophyceae R 2 unequal and lateral flagella D Mosses S 2-8 equal and apical flagella
1 A - R, B - P, C - Q, D - S
2 A - S, B - R, C - P, D - Q
3 A - P, B - R, C - Q, D - S
4 A - Q, B - P, C - R, D - S
Explanation:
A.Chlorophyceae - S. 2-8 equal and apical flagella B. Phaeophyceae - R. 2 unequal and lateral flagella C. Rhodophyceae - P. Flagella is absent D. Mosses - Q. Multicellular and branched rhizoids
BIOXI03: PLANT KINGDOM
331958
In moss, the sporophyte is differentiated into
1 Seta, protonema and capsule
2 Foot, protonema and seta
3 Foot, seta and capsule
4 Protonema, foot and capsule
Explanation:
In moss, the sporophyte is differentiated into foot, seta and capsule. Capsule bears spores which give rise to gametophyte after meiosis
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BIOXI03: PLANT KINGDOM
331954
Which of the statements given below are correct about protonema?
1 Adult stage of moss is protonema
2 It consists of slender, green, branching system of filaments
3 Develops directly from a zygote
4 All of the above
Explanation:
The first stage of gametophyte in mosses is the protonema stage, which develops directly from a spore. It is a creeping, green, branched and frequently filamentous stage.
BIOXI03: PLANT KINGDOM
331955
Which stage bears sex organs in the species given below-
1 Protonema stage
2 Leafy stage
3 All stages
4 Juvenile stage
Explanation:
The second stage in the life cycle of a gametophyte, that is the leafy stage bears sex organs.
BIOXI03: PLANT KINGDOM
331957
Match the columns I and II. Column I Column II A Chlorophyceae P Flagella is absent B Phaeophyceae Q Multicellular and branched rhizoids C Rhodophyceae R 2 unequal and lateral flagella D Mosses S 2-8 equal and apical flagella
1 A - R, B - P, C - Q, D - S
2 A - S, B - R, C - P, D - Q
3 A - P, B - R, C - Q, D - S
4 A - Q, B - P, C - R, D - S
Explanation:
A.Chlorophyceae - S. 2-8 equal and apical flagella B. Phaeophyceae - R. 2 unequal and lateral flagella C. Rhodophyceae - P. Flagella is absent D. Mosses - Q. Multicellular and branched rhizoids
BIOXI03: PLANT KINGDOM
331958
In moss, the sporophyte is differentiated into
1 Seta, protonema and capsule
2 Foot, protonema and seta
3 Foot, seta and capsule
4 Protonema, foot and capsule
Explanation:
In moss, the sporophyte is differentiated into foot, seta and capsule. Capsule bears spores which give rise to gametophyte after meiosis
331954
Which of the statements given below are correct about protonema?
1 Adult stage of moss is protonema
2 It consists of slender, green, branching system of filaments
3 Develops directly from a zygote
4 All of the above
Explanation:
The first stage of gametophyte in mosses is the protonema stage, which develops directly from a spore. It is a creeping, green, branched and frequently filamentous stage.
BIOXI03: PLANT KINGDOM
331955
Which stage bears sex organs in the species given below-
1 Protonema stage
2 Leafy stage
3 All stages
4 Juvenile stage
Explanation:
The second stage in the life cycle of a gametophyte, that is the leafy stage bears sex organs.
BIOXI03: PLANT KINGDOM
331957
Match the columns I and II. Column I Column II A Chlorophyceae P Flagella is absent B Phaeophyceae Q Multicellular and branched rhizoids C Rhodophyceae R 2 unequal and lateral flagella D Mosses S 2-8 equal and apical flagella
1 A - R, B - P, C - Q, D - S
2 A - S, B - R, C - P, D - Q
3 A - P, B - R, C - Q, D - S
4 A - Q, B - P, C - R, D - S
Explanation:
A.Chlorophyceae - S. 2-8 equal and apical flagella B. Phaeophyceae - R. 2 unequal and lateral flagella C. Rhodophyceae - P. Flagella is absent D. Mosses - Q. Multicellular and branched rhizoids
BIOXI03: PLANT KINGDOM
331958
In moss, the sporophyte is differentiated into
1 Seta, protonema and capsule
2 Foot, protonema and seta
3 Foot, seta and capsule
4 Protonema, foot and capsule
Explanation:
In moss, the sporophyte is differentiated into foot, seta and capsule. Capsule bears spores which give rise to gametophyte after meiosis
331954
Which of the statements given below are correct about protonema?
1 Adult stage of moss is protonema
2 It consists of slender, green, branching system of filaments
3 Develops directly from a zygote
4 All of the above
Explanation:
The first stage of gametophyte in mosses is the protonema stage, which develops directly from a spore. It is a creeping, green, branched and frequently filamentous stage.
BIOXI03: PLANT KINGDOM
331955
Which stage bears sex organs in the species given below-
1 Protonema stage
2 Leafy stage
3 All stages
4 Juvenile stage
Explanation:
The second stage in the life cycle of a gametophyte, that is the leafy stage bears sex organs.
BIOXI03: PLANT KINGDOM
331957
Match the columns I and II. Column I Column II A Chlorophyceae P Flagella is absent B Phaeophyceae Q Multicellular and branched rhizoids C Rhodophyceae R 2 unequal and lateral flagella D Mosses S 2-8 equal and apical flagella
1 A - R, B - P, C - Q, D - S
2 A - S, B - R, C - P, D - Q
3 A - P, B - R, C - Q, D - S
4 A - Q, B - P, C - R, D - S
Explanation:
A.Chlorophyceae - S. 2-8 equal and apical flagella B. Phaeophyceae - R. 2 unequal and lateral flagella C. Rhodophyceae - P. Flagella is absent D. Mosses - Q. Multicellular and branched rhizoids
BIOXI03: PLANT KINGDOM
331958
In moss, the sporophyte is differentiated into
1 Seta, protonema and capsule
2 Foot, protonema and seta
3 Foot, seta and capsule
4 Protonema, foot and capsule
Explanation:
In moss, the sporophyte is differentiated into foot, seta and capsule. Capsule bears spores which give rise to gametophyte after meiosis
