332226
The plants frequently grown as ornamentals and are used for medicinal purpose belong to
1 Angiosperms
2 Bryophyta
3 Algae
4 Pteridophytes
Explanation:
Pteridophytes are used for medicinal purposes and as soil-binders. They are also frequently grown as ornamentals.
BIOXI03: PLANT KINGDOM
332227
Match the columns I and II. Column I Column II A Heterosporous P Leafy stage B First stage of gametophyte in mosses Q
Selaginella and Salvinia C Second stage of gametophyte in mosses R Protonema D Ploidy of gametophyte in mosses S Diploid E Ploidy of sporophyte in mosses T Haploid
1 A – R, B – P, C – Q, D – T, E – S
2 A – Q, B – R, C – P, D – T, E – S
3 A – S, B – R, C – P, D – T, E – Q
4 A – Q, B – T, C – P, D – R, E – S
Explanation:
A. Heterosporous - Q. Selaginella and Salvinia B. First stage of gametophyte in mosses - R.Protonema C. Second stage of gametophyte in mosses - P.Leafy stage D. Ploidy of gametophyte in mosses - T. Haploid E. Ploidy of sporophyte in mosses - S. Diploid Protonema
BIOXI03: PLANT KINGDOM
332228
In pteridophytes, to prevent self-fertilisation_
1 Plant becomes apomicitic
2 There is high degree of sterility
3 Antherozoids and eggs mature at different times
4 They can’t prevent self-fertilisation.
Explanation:
Pteridophytes exhibit dichogamy, the maturation of male and female sex organs at different times to prevent self fertilisation.
BIOXI03: PLANT KINGDOM
332229
Which of the following plant group doesnot possesses vascular tissues xylem and phloem?
1 Bryophytes
2 Pteridophytes
3 Gymnosperms
4 Angiosperms
Explanation:
Bryophytes do not possess any vascular tissues. While pteridophytes, gymnosperms and angiosperms are all tracheophytes (vascular tissue bearing plants)
BIOXI03: PLANT KINGDOM
332230
Pteridophytes mostly occur in
1 Fresh and marine water
2 Sandy-soil
3 Cool, damp and shady places
4 Both 2 and 3
Explanation:
Pteridophytes mostly occur in cool, damp and shady places. Pteridophytes are fundsmentally terrestrial plants, but they are dependent on an external source of water for completion of their life cycle.
332226
The plants frequently grown as ornamentals and are used for medicinal purpose belong to
1 Angiosperms
2 Bryophyta
3 Algae
4 Pteridophytes
Explanation:
Pteridophytes are used for medicinal purposes and as soil-binders. They are also frequently grown as ornamentals.
BIOXI03: PLANT KINGDOM
332227
Match the columns I and II. Column I Column II A Heterosporous P Leafy stage B First stage of gametophyte in mosses Q
Selaginella and Salvinia C Second stage of gametophyte in mosses R Protonema D Ploidy of gametophyte in mosses S Diploid E Ploidy of sporophyte in mosses T Haploid
1 A – R, B – P, C – Q, D – T, E – S
2 A – Q, B – R, C – P, D – T, E – S
3 A – S, B – R, C – P, D – T, E – Q
4 A – Q, B – T, C – P, D – R, E – S
Explanation:
A. Heterosporous - Q. Selaginella and Salvinia B. First stage of gametophyte in mosses - R.Protonema C. Second stage of gametophyte in mosses - P.Leafy stage D. Ploidy of gametophyte in mosses - T. Haploid E. Ploidy of sporophyte in mosses - S. Diploid Protonema
BIOXI03: PLANT KINGDOM
332228
In pteridophytes, to prevent self-fertilisation_
1 Plant becomes apomicitic
2 There is high degree of sterility
3 Antherozoids and eggs mature at different times
4 They can’t prevent self-fertilisation.
Explanation:
Pteridophytes exhibit dichogamy, the maturation of male and female sex organs at different times to prevent self fertilisation.
BIOXI03: PLANT KINGDOM
332229
Which of the following plant group doesnot possesses vascular tissues xylem and phloem?
1 Bryophytes
2 Pteridophytes
3 Gymnosperms
4 Angiosperms
Explanation:
Bryophytes do not possess any vascular tissues. While pteridophytes, gymnosperms and angiosperms are all tracheophytes (vascular tissue bearing plants)
BIOXI03: PLANT KINGDOM
332230
Pteridophytes mostly occur in
1 Fresh and marine water
2 Sandy-soil
3 Cool, damp and shady places
4 Both 2 and 3
Explanation:
Pteridophytes mostly occur in cool, damp and shady places. Pteridophytes are fundsmentally terrestrial plants, but they are dependent on an external source of water for completion of their life cycle.
332226
The plants frequently grown as ornamentals and are used for medicinal purpose belong to
1 Angiosperms
2 Bryophyta
3 Algae
4 Pteridophytes
Explanation:
Pteridophytes are used for medicinal purposes and as soil-binders. They are also frequently grown as ornamentals.
BIOXI03: PLANT KINGDOM
332227
Match the columns I and II. Column I Column II A Heterosporous P Leafy stage B First stage of gametophyte in mosses Q
Selaginella and Salvinia C Second stage of gametophyte in mosses R Protonema D Ploidy of gametophyte in mosses S Diploid E Ploidy of sporophyte in mosses T Haploid
1 A – R, B – P, C – Q, D – T, E – S
2 A – Q, B – R, C – P, D – T, E – S
3 A – S, B – R, C – P, D – T, E – Q
4 A – Q, B – T, C – P, D – R, E – S
Explanation:
A. Heterosporous - Q. Selaginella and Salvinia B. First stage of gametophyte in mosses - R.Protonema C. Second stage of gametophyte in mosses - P.Leafy stage D. Ploidy of gametophyte in mosses - T. Haploid E. Ploidy of sporophyte in mosses - S. Diploid Protonema
BIOXI03: PLANT KINGDOM
332228
In pteridophytes, to prevent self-fertilisation_
1 Plant becomes apomicitic
2 There is high degree of sterility
3 Antherozoids and eggs mature at different times
4 They can’t prevent self-fertilisation.
Explanation:
Pteridophytes exhibit dichogamy, the maturation of male and female sex organs at different times to prevent self fertilisation.
BIOXI03: PLANT KINGDOM
332229
Which of the following plant group doesnot possesses vascular tissues xylem and phloem?
1 Bryophytes
2 Pteridophytes
3 Gymnosperms
4 Angiosperms
Explanation:
Bryophytes do not possess any vascular tissues. While pteridophytes, gymnosperms and angiosperms are all tracheophytes (vascular tissue bearing plants)
BIOXI03: PLANT KINGDOM
332230
Pteridophytes mostly occur in
1 Fresh and marine water
2 Sandy-soil
3 Cool, damp and shady places
4 Both 2 and 3
Explanation:
Pteridophytes mostly occur in cool, damp and shady places. Pteridophytes are fundsmentally terrestrial plants, but they are dependent on an external source of water for completion of their life cycle.
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BIOXI03: PLANT KINGDOM
332226
The plants frequently grown as ornamentals and are used for medicinal purpose belong to
1 Angiosperms
2 Bryophyta
3 Algae
4 Pteridophytes
Explanation:
Pteridophytes are used for medicinal purposes and as soil-binders. They are also frequently grown as ornamentals.
BIOXI03: PLANT KINGDOM
332227
Match the columns I and II. Column I Column II A Heterosporous P Leafy stage B First stage of gametophyte in mosses Q
Selaginella and Salvinia C Second stage of gametophyte in mosses R Protonema D Ploidy of gametophyte in mosses S Diploid E Ploidy of sporophyte in mosses T Haploid
1 A – R, B – P, C – Q, D – T, E – S
2 A – Q, B – R, C – P, D – T, E – S
3 A – S, B – R, C – P, D – T, E – Q
4 A – Q, B – T, C – P, D – R, E – S
Explanation:
A. Heterosporous - Q. Selaginella and Salvinia B. First stage of gametophyte in mosses - R.Protonema C. Second stage of gametophyte in mosses - P.Leafy stage D. Ploidy of gametophyte in mosses - T. Haploid E. Ploidy of sporophyte in mosses - S. Diploid Protonema
BIOXI03: PLANT KINGDOM
332228
In pteridophytes, to prevent self-fertilisation_
1 Plant becomes apomicitic
2 There is high degree of sterility
3 Antherozoids and eggs mature at different times
4 They can’t prevent self-fertilisation.
Explanation:
Pteridophytes exhibit dichogamy, the maturation of male and female sex organs at different times to prevent self fertilisation.
BIOXI03: PLANT KINGDOM
332229
Which of the following plant group doesnot possesses vascular tissues xylem and phloem?
1 Bryophytes
2 Pteridophytes
3 Gymnosperms
4 Angiosperms
Explanation:
Bryophytes do not possess any vascular tissues. While pteridophytes, gymnosperms and angiosperms are all tracheophytes (vascular tissue bearing plants)
BIOXI03: PLANT KINGDOM
332230
Pteridophytes mostly occur in
1 Fresh and marine water
2 Sandy-soil
3 Cool, damp and shady places
4 Both 2 and 3
Explanation:
Pteridophytes mostly occur in cool, damp and shady places. Pteridophytes are fundsmentally terrestrial plants, but they are dependent on an external source of water for completion of their life cycle.
332226
The plants frequently grown as ornamentals and are used for medicinal purpose belong to
1 Angiosperms
2 Bryophyta
3 Algae
4 Pteridophytes
Explanation:
Pteridophytes are used for medicinal purposes and as soil-binders. They are also frequently grown as ornamentals.
BIOXI03: PLANT KINGDOM
332227
Match the columns I and II. Column I Column II A Heterosporous P Leafy stage B First stage of gametophyte in mosses Q
Selaginella and Salvinia C Second stage of gametophyte in mosses R Protonema D Ploidy of gametophyte in mosses S Diploid E Ploidy of sporophyte in mosses T Haploid
1 A – R, B – P, C – Q, D – T, E – S
2 A – Q, B – R, C – P, D – T, E – S
3 A – S, B – R, C – P, D – T, E – Q
4 A – Q, B – T, C – P, D – R, E – S
Explanation:
A. Heterosporous - Q. Selaginella and Salvinia B. First stage of gametophyte in mosses - R.Protonema C. Second stage of gametophyte in mosses - P.Leafy stage D. Ploidy of gametophyte in mosses - T. Haploid E. Ploidy of sporophyte in mosses - S. Diploid Protonema
BIOXI03: PLANT KINGDOM
332228
In pteridophytes, to prevent self-fertilisation_
1 Plant becomes apomicitic
2 There is high degree of sterility
3 Antherozoids and eggs mature at different times
4 They can’t prevent self-fertilisation.
Explanation:
Pteridophytes exhibit dichogamy, the maturation of male and female sex organs at different times to prevent self fertilisation.
BIOXI03: PLANT KINGDOM
332229
Which of the following plant group doesnot possesses vascular tissues xylem and phloem?
1 Bryophytes
2 Pteridophytes
3 Gymnosperms
4 Angiosperms
Explanation:
Bryophytes do not possess any vascular tissues. While pteridophytes, gymnosperms and angiosperms are all tracheophytes (vascular tissue bearing plants)
BIOXI03: PLANT KINGDOM
332230
Pteridophytes mostly occur in
1 Fresh and marine water
2 Sandy-soil
3 Cool, damp and shady places
4 Both 2 and 3
Explanation:
Pteridophytes mostly occur in cool, damp and shady places. Pteridophytes are fundsmentally terrestrial plants, but they are dependent on an external source of water for completion of their life cycle.