Importance of Pteridophytes

Q. Seed habit first originated in ___________.

1. Certain ferns (Pteridophytes)
2. Certain pines
3. Certain monocots
4. certain dicots

Q. Which pteridophyte is of medicinal importance?

1. Isoetes
2. Lycopodium
3. Selaginella
4. Rhynia
   
   

Q.

The pteridophyte belonging to arthrophyta, having medicinal importance as an antibiotic is _____

1. Cyathea dealbata

2. Equisetum

3. Selaginella lepidophylla

4. Selaginella heterosporous

Q.

____________ are an ancient group of lower plants that contributed significantly in the creation of fossil fuels.

1. Bryophytes

2. Algae

3. Gymnosperms

4. Pteridophytes

Q.

The pteridophyte belonging to arthrophyta, having medicinal importance as an antibiotic is _____

1. Cyathea dealbata

2. Equisetum

3. Selaginella lepidophylla

4. Selaginella heterosporous

Q. Match column-I with column-II and choose the correct option:

Column-I Column-II

A. Agar I. Chlorella

B. Peat moss II. Ferns

C. Soil binder III. Sphagnum

D. Single cell protein IV. Gelidium

1. A -I; B-II; C-III; D-IV
2. A-IV; B-III; C-II; D-I
3. A-II; B-I; C-III; D-IV
4. A-III; B-II; C-I; D-IV

Q.

____________ are an ancient group of lower plants that contributed significantly in the creation of fossil fuels.

1. Bryophytes

2. Algae

3. Gymnosperms

4. Pteridophytes

Q.

____________ are an ancient group of lower plants that contributed significantly in the creation of fossil fuels.

1. Bryophytes

2. Algae

3. Gymnosperms

4. Pteridophytes

Q. Match column-I with column-II and choose the correct option:

Column-I Column-II

A. Agar I. Chlorella

B. Peat moss II. Ferns

C. Soil binder III. Sphagnum

D. Single cell protein IV. Gelidium

1. A -I; B-II; C-III; D-IV
2. A-IV; B-III; C-II; D-I
3. A-II; B-I; C-III; D-IV
4. A-III; B-II; C-I; D-IV

Q. Arborescent lycopods , horse tails and ferns dominated land during?

1. Silurian period
2. Devonian period
3. Carboniferous period
4. Triassic period

Q. Identify the organism based on the following descriptions:
1) It belongs to Thallophyta and is a unicellular alga.
2) It is often considered a superfood due to its high protein and antioxidant content.

1. Volvox
2. Chlorella
3. Spirogyra
4. Porphyra