All the following differentiate gymnosperms from the higher cryptogams except:

(1) Presence of an independent green gametophyte

(2) development of an ovule

(3) Formation of the pollen tube

(4) Presence of cambium

The features seen in the gymnosperm Cycas include:

I. Coralloid roots

II. Unbranched stems

III. Pinnate persistent leaves for a few years

IV. Male cones and megasporophyllys borne on same plant

1. I and II only

2. I and IV only

3. I, II and III only

4. I, II, III, and IV

Which one is a wrong statement?

(1) Archegonia are found in Bryophyta, Pteridophyta and Gymnosperms.

(2) Mucor has biflagellate zoospores.

(3) Haploid endosperm is typical feature of gymnosperm.

(4) Brown algae have chlorophyll-a and c, and fucoxanthin.

Read the following five statements (I to V) and select the option with all correct statements.

1. I, III and IV

2. II, III and IV

3. I, IV and V

4. II, III and V

Read the following statements (IV) and answer the question which follows them

I. In liverworts, mosses and ferns gametophytes are free living.

II. Gymnosperms and some ferns are heterospores.

III. Sexual reproduction in Fucus, Volvox and Albugo is oogamous.

IV. The sporophyte in liverworts is more elaborate than that in mosses.

How many of the above statements are correct?

(1) One

(2) Two

(3) Three

(4) Four

Conifers differ from grasses in the :

(1) production of seeds from ovules

(2) lack of xylem tracheids

(3) absence of pollen tubes

(4) formation of endosperm before fertilization

Which of the following genera is associated with coralloid roots?

(1) Cycas

(2) Taxus

(3) Pinus

(4) Sequoia

Match the following selected the correct option.

1. A - (iv), B - (ii), C - (i), D - (iii)

2. A - (iv), B - (i), C - (ii), D - (iii)

3. A - (ii), B - (iii), C - (iv), D - (i)

4. A - (i), B - (iv), C - (iii), D - (ii)

Cycas is classified as a gymnosperms due to its

1. motile sperms

2. fruit formation

3. naked ovule

4. pycnoxylic wood

Which of the following statement is correct?