The pyrenoids are made up of

(1) Proteinaceous centre and starchy sheath

(2) Core of protein surrounded by fatty sheath

(3) Core of starch surrounded by sheath of protein

(4) Core of nucleic acid surrounded by protein sheath 

Consider the following features:

I. Chlorophyll a and Chlorophyll c

II. Fucoxanthin

III. Floridean starch

IV. Flagella 2 in number, unequal and lateral

Which of these are seen in Phaeophyceae?

(1) I, II, III

(2) I, II, IV

(3) II, III, IV

(4) I, II, III, IV

The endosperm of a gymnosperm develops _______ fertilization, whereas the endosperm of an angiosperm develops _________ fertilization.

(1) before, before

(2) after, after

(3) after, before

(4) before, after

In Pinus,

I. The stem is branched

II. Roots have fungal association in the form of mycorrhiza

III. The male and female strobili are borne on different trees

Of the above statements:

(1) Only I is correct

(2) Only II is correct

(3) Only I and II are correct

(4) I, II and III are correct

Identify the incorrect statement:

1. The earliest systems of classification used only gross superficial morphological characters.

2. Linnaeus classification of plants was a natural classification as it was based on the androecium structure.

3. Artificial systems gave equal weightage to vegetative and sexual characteristics.

4. Natural classification systems are based on natural affinities among the organisms

Identify the incorrect statement:

Match each term with its definition and choose your answer from the codes given:

Codes:

Identify the incorrectly matched pair:

Identify the incorrect statement regarding algae:

What is not true for red algae?

1. Lack centriole and flagella

2. Accessory pigments include phycocyanin, phycoeythrin and allophycocyanin

3. They reproduce using alternation of generation

4. The stored food is floridean starch very similar to cellulose