Chapter: Plant Kingdom

Which of the following algae contains mannitol as reserve food material ?

Which of the following algae produces carrageen?

Phycoerythrin is the major pigment in

Which of the following pairs is of unicellular algae?

Which one is wrongly matched?

Zygotic meiosis is characteristic of

An example of colonial alga is

Which one of the following statements is wrong ?

Which one is a wrong statement?

Which one of the following shows isogamy with non-flagellated gametes?

Which one of the following is wrong about Chara?

An alga which can be employed as food for human being is

Select the wrong statement.

Algae have cell wall made up of

Mannitol is the stored food in

If you are asked to classify the various algae into distinct groups, which of the following characters you should choose?

Sexual reproduction in Spirogyra is an advanced feature because it shows

A research student collected certain alga and found that its cells contained both chlorophyll-a,b,c and chlorophyll-d as well as phycoerythrin. The alga belongs to

Ulothrix can be described as a

Ulothrix filaments produce

Brown algae is characterised by the presence of

An alga very rich in protein is

Blue-green algae belong to

Agar is commercially obtained from

The absence of chlorophyll, in the lowermost cell of Ulothrix, shows

In Chlorophyceae, sexual reproduction occurs by

Which of the following cannot fix nitrogen?

Chloroplast of Chlamydomonas is

In Ulothrix/Spirogyra, reduction division (meiosis) occurs at the time of

Pyrenoids are the centres for formation of

A plant in which sporophytic generation is represented by zygote is

The product of conjugation in Spirogyra or fertilisation of Chlamydomonas is

Sexual reproduction involving fusion of two cells in Chlamydomonas is

Acetabularia used in Hammerling’s nucleocytoplasmic experiments is

Gemmae are present in

Which of the following is responsible for peat formation?

Which one of the following is common to multicellular fungi, filamentous algae and protonemaof mosses?

Archegoniophore is present in

Male and female gametophytes are independent and free-living in

In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times, as a result

Spore dissemination in some liverworts is aided by

Peat moss is used as a packing material for sending flowers and live plants to distant places because

The antherozoids of Funaria are

Dichotomous branching is found in

Bryophytes comprise

Which of the following is true about bryophytes?

Bryophytes are dependent on water because

Bryophytes can be separated from algae because they

Multicellular branched rhizoids and leafy gametophytes are characteristics of

In which one of these the elaters are present along with mature spores in the capsule (to help inspore dispersal)?

The plant body of moss (Funaria) is

Unique features of bryophytes is that they

The plant group that produces spores and embryo but lacks vascular tissues and seeds is

Which one has the largest gametophyte?

Bryophytes are amphibians because

Apophysis in the capsule of Funaria is

Moss peristome takes part in

Protonema occurs in the life cycle of

Sperms of both Funaria and Pteris were released together near the archegonia of Pteris. Only Pteris sperms enter the archegonia as

In bryophytes and pteridophytes, transport of male gametes requires

Which one of the following is a correct statement?

Which one of the following is a vascular cryptogam?

In which one of the following, male and female gametophytes don’t have free living independent existence?

Which one of the following is heterosporous?

Which of the following propagates through leaf-tip?

Which one the following pairs of plants are not seed producers?

In ferns meiosis occurs when

The ‘walking fern’ is so named because

A well developed archegonium with neck consisting of 4-6 rows of neck canal cells, characterises

Which one of the following is not common between Funaria and Selaginella?

Pteridophytes differ from mosses/ bryophytes in possessing

Evolutionary important character of Selaginella is

Which of the following statements is incorrect about gymnosperms?

Which one of the following statements is correct?

Select the correct statement.

Conifers are adapted to tolerate extreme environmental conditions because of

Read the following statements and answer the question which follows them
I. In liverworts, mosses and ferns gametophytes are free living.
II. Gymnosperms and some ferns are heterosporous.
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?

Cycas and Adiantum resemble each other in having

Gymnosperms are also called soft wood spermatophytes because they lack

The gametophyte is not an independent, free living generation in

Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms

Flagellated male gametes are present in all the three of which one of the following sets?

In gymnosperms, the pollen chamber represents

Which one of the following is a living fossil?

Which one pair of examples will correctly represent the grouping spermatophyta according to oneof the schemes of classifying plants?

Which of the following plants produces seeds but not flowers?

Cycas has two cotyledons but not included in angiosperms because of

The largest ovules, largest male and female gametes and largest plants are found among

In which of the following would you place the plants having vascular tissue, lacking seeds?

Largest sperms in the plant world are found in

Which one of the following statements about Cycas is incorrect?

Seed habit first originated in

The ‘wing’ of Pinus seed is derived from

Pinus differs from mango in having

Which one is the most advanced from evolutionary view point?

A plant having seeds but lacking flowers and fruits belongs to

In Pinus, the pollen grain has 6 chromosomes then its endosperm will have the chromosome

Resin and terpentine are obtained from

In Pinus/gymnosperms, the haploid structure are

In Pinus/Cycas/gymnosperms, the endosperm is

Male and female gametophytes do not have an independent free-living existence in

Which is the most common type of embryo sac in angiosperms?

Male gametophyte with least number of cells is present in

Compared with the gametophytes of the bryophytes, the gametophytes of vascular plantstends to be

Conifers differ from grasses in the

Angiosperms have dominated the land flora primarily because of their

Which of the following is without exception in angiosperms?

Match items in column I with those in column II.

Select the correct answer from the following.

Life cycle of Ectocarpus and Fucus respectively are

Metagenesis refers to

Which one of the following is considered important in the development of seed habit?