Mannitol is the stored food in:
1. Chara
2. Porphyra
3. Fucus
4. Gracillaria

Subtopic:  Pheophyceae: Brown Algae |
 88%
From NCERT
AIPMT - 2009
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Asexual spored in brown algae are

1.  Non-motile sporangiospore.

2.  Biflagellated zoospores with two equal flagella.

3. Quadriflagellated zoospores with thick cell walls.

4.  Biflagellated zoospores with two unequal lateral flagella.

Subtopic:  Pheophyceae: Brown Algae |
 85%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Stipe, hold fast and frond are the terms associated with

1 Gracilaria

2 Polysiphonia

3 Laminaria

4 Chara

Subtopic:  Pheophyceae: Brown Algae |
 86%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following groups of algae produces algin?

(1) Phaeophyceae and Chlorophyceae

(2) Rhodophyceae and Phaeophyceae

(3) Chlorophyceae and Rhodophyceae

(4) Phaeophyceae only

Subtopic:  Pheophyceae: Brown Algae |
 83%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Mannitol is a sugar alcohol. It is as stored food in:

1.  Fucus
2.  Gracillaria
3.  Chara
4.  Porphyra

Subtopic:  Pheophyceae: Brown Algae |
 85%
From NCERT
AIPMT - 2011
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Leaf like photosynthetic organ is associated with algal group

1 Showing only oogamous reproduction

2 Having predominance of r-phycoerythrin

3 Where members may reach a height of 100 metres

4 Usually having grass-green colour

Subtopic:  Pheophyceae: Brown Algae |
 62%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Asexaul reproduction by pear shaped biflagellate zoospores is seen in most:

1. Green algae

2. Brown algae

3. Red algae

4. Both (2) and (3)

Subtopic:  Pheophyceae: Brown Algae |
 81%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Choose the incorrectly matched pair:

1. Ulothrix – Zygote is single celled diploid generation

2. Spirogyra – Zygote is a resistant structure

3. Cycas – Coralloid roots

4. Fucus – Isogametes

Subtopic:  Pheophyceae: Brown Algae |
 80%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In Phaeophyceae, the spores (zoospores) are

1. Pyriform and bear 2 flagella (one longitudinal and other transverse).

2. Pear-shaped and bear 2 flagella that are laterally attached.

3. Pyriform and bear 2-8, equal and apial flagella.

4. Pear-shaped and bear 2-8, equal and apical flagella.

Subtopic:  Pheophyceae: Brown Algae |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The members of phaeophyceae are characterized by all, except

1. Presence of chlorophyll a, c and fucoxanthin pigments.
2. Production of pear-shaped and biflagellated asexual spores.
3. Production of pyriform gametes that bear laterally attached flagella.
4. Their occurrence, mostly in fresh water habitats.
Subtopic:  Pheophyceae: Brown Algae |
 78%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh