Classification of organisms on the basis of gene sequencing is

1.  Cytotaxonomy

2.  Karyotaxonomy

3.  Chemotaxonomy

4.  Classical taxonomy

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.

Which of the following Algae shows anisogamy?

1.  Volvox.

2. Eudorina.

3. Spirogyra.

4. Ulothrix.

In mosses vegetative reproduction takes place by fragmentation & budding in

1. Primary protonema.

2. Secondary protonema.

3. Rhizoids.

4. Both 1 and 2.

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. Wolffia is the smallest flowering plant.

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

Gametophyte in the pteridophytes is

How many statements are correct with respect to gametophyte?
1. Two 
2. Three
3. Four 
4. One

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

Zoospore formed during asexual reproduction in chlorophyceae are

Asexual reproduction in chlorophyceae is by