Which of the following groups of algae produces algin?

(1) Phaeophyceae and Chlorophyceae

(2) Rhodophyceae and Phaeophyceae

(3) Chlorophyceae and Rhodophyceae

(4) Phaeophyceae only

Which of the following are homosporous pteridophytes?

I. Selaginella

II. Lycopodium

III. Salvinia

IV. Equisetum

(1) I and IV only

(2) II and III only

(3) II and IV only

(4) III and IV only

Pick the correct group consisting of all genera exhibiting homospory.

(1) Lycopodium, Psilotum, Selaginella, Equisetum

(2) Equisetum, Pteris, Salvinia, Psilotum

(3) Salvinia, Pteris, Lycopodium, Selaginella

(4) Equisetum, Psilotum, Lycopodium, Pteris

In the given diagrams, some of the algae have been labelled as A, B, C, D and E. Choose the correct option to identify these algae.

Classical Taxonomy is based on

(1) morphological traits

(2) habitat of organisms

(3) similarities and dissimilarities of behaviour

(4) phylogeny

Read the following statements reagrding bryophytes and choose the incorrect option.

(1) Gametophytic phase is dominant in life cycle

(2) Fertilisation takes place in presence of water

(3) Zygote undergoes meiosis to produce sporophyte

(4) Sporophyte isphysiologically dependent on gametophyte

Gelatin, an important raw material for preparation of photographic emulsion is a by product of

(1) chicken

(2) forest

(3) cattle

(4) fish

Phylogenetic system of classification includes

(1) evolutionary trends only

(2) genetic trends only

(3) evolutionary trend as well as morphology

(4) behavioural trends in environment

Match items in Column I with those in Column II.

Cycas is classified as a gymnosperms due to its

1. motile sperms

2. fruit formation

3. naked ovule

4. pycnoxylic wood