Green algae usually have a rigid cell wall made of an inner layer of ….…. and outer layer of ………

(1) Pectose, Cellulose

(2) Cellulose, Pectose

(3) Algin, carrageenan

(4) Carrageen, Algin

Examples of Green alga is not

Vegetative reproduction in chlorophyceae takes place by

Asexual reproduction in chlorophyceae is by

Zoospore formed during asexual reproduction in chlorophyceae are

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

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

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

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.