Zoospore formed during asexual reproduction in chlorophyceae are

(1) Flagellated

(2) Non-flagellated

(3) Ciliated

(4) Non ciliated

Subtopic:  Chlorophyceae: Green Algae: I | Chlorophyceae: Green Algae |
 90%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Sexual reproduction in chlorophyceae is of

(1) Isogamous type

(2) Anisogamous type

(3) Oogamous type

(4) All of these

Subtopic:  Chlorophyceae: Green Algae: I | Chlorophyceae: Green Algae |
 96%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

This picture is associated with an organism that belongs to a class. Which of the following features is not correct about that class?

                                  

(1) Three types of sexual reproduction

(2) A variety of chloroplast in different species

(3) Inner pectose and outer cellulose in cell wall

(4) Pigments-choorophyll a and chlorophyll b

Subtopic:  Chlorophyceae: Green Algae: I | Chlorophyceae: Green Algae |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Gametophyte in the pteridophytes is

(i) Small, inconspicuous.
(ii) Long lived, unicellular.
(iii) Mostly photosynthetic thalloid or saprophytic.
(iv) Short lived, haploid.

How many statements are correct with respect to gametophyte?

1. Two 

2.Three

3. Four 

4. One

Subtopic:  Pteridophytes: Heterospory | Pteridophytes |
 64%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Given below are three statements each with one blank. Select the option which correctly fill up the blanks in two statements

(i) _______ systems gave equal weightage to vegetative and sexual characteristics.

(ii) Number and codes are assigned to all the characters and the data are then processed in _______ taxonomy.

(iii) ________ systems assume that organisms belonging to the same taxa have a common ancestor.

1. (i) - Artificial, (iii) - Natural

2. (ii) - Phenetics, (iii) - Artificial

3. (i) - Artificial, (ii) - Chemotaxonomy

4. (iii) - Phylogenetic, (i) - Artificial

Subtopic:  Classification System: I | Classification System: II | Classification System |
 70%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Classification of organisms on the basis of gene sequencing is

1.  Cytotaxonomy

2.  Karyotaxonomy

3.  Chemotaxonomy

4.  Classical taxonomy

Subtopic:  Classification System: I | Classification System: II | Classification System |
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

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 |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following Algae shows anisogamy.

1.  Volvox.

2. Eudorina.

3. Spirogyra.

4. Ulothrix.

Subtopic:  Algae |
 85%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

In mosses vegetative reproduction takes place by fragmentation & budding in

1. Primary protonema.

2. Secondary protonema.

3. Rhizoids.

4. Both 1 and 2.

Subtopic:  Bryophytes |
 83%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Read the following and choose the incorrect statement

1. Majority of red algae are marine with greater concentrations found in the warmer areas.

2. Thallus of Marchantia is dorsiventral and closely appressed to the substrate.

3. In Sequoia, reduced male gametophyte is called pollen grain and its endosperm represents future sporophytes.

4. Wolfia is the smallest flowering plant.

Subtopic:  Gymnosperms: I | Gymnosperms |
 77%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch