Plant Kingdom Questions

The plant body of brown algae is usually attached to the substratum by a (I), and has a stalk, the (II) and leaf like photosynthetic organ the (III)

Phaeophyceae (Brown algae) possess

Ectocarpus, Dictyota, Laminaria, Sargassum and Fucus are examples of

Sexual reproduction in Chlorophyceae may be

Cell wall of green algae is made of

The members of Chlorophyceae are commonly called

Agar, one of the commercial products used to grow microbes and in preparations of ice-creams and jellies are obtained from

Algin and Carrageen are hydrocolloids obtained from

Chlorella and Spirulina are used as food supplements even by space travellers because

Pyrenoids, the storage bodies found in the chloroplasts of algae contain

The chloroplasts of algae are of various shapes. Match the following Column I: I Chlamydomonas, II Ulothrix, III Spirogyra, IV Zygnema Column II: P Ribbon-shaped, Q Star-shaped, R Cup-shaped, S Girdle-shaped

Chemotaxonomy is based on

Which of the following branch of taxonomy is based on cytological information like chromosome number, structure, and behaviour?

Phylogenetic classification systems are based on

Natural classification systems consider

Natural classification for flowering plants given by

Giving equal weightage to vegetative and sexual characteristics is the drawback of

Linnaeus's artificial system of classification is based on

Artificial systems of classification are based on

Which of the following requires water for fertilization?

In red algae, stored food material is:

Which of the following is a living fossil among gymnosperms?

Which of the following plants shows circinate vernation?

Which pigment is responsible for brown colour in Phaeophyceae?

In which group is the dominant phase gametophytic?

Which of the following is incorrect about gymnosperms?

Heterospory is observed in which of the following?

Which of the following bryophytes shows the highest level of organization?

Which of the following algae is rich in iodine and used commercially?

Given below are two statements: Statement I: In Pinus male or female cones may be on same tree Statement II: In Cycas they are on different trees

Bladderwort and Venus fly trap are;

Identify the incorrect statements.

All of the following are pteridophytes, except;

Mosses reduce soil erosion because;

Identify incorrect adaptation in gymnosperms.

Food stored as mannitol is found in;

The bryophytes are divided into;

Identify the unicellular alga used as food supplement.

Identify the giant redwood tree.

The seed-bearing plants with naked seeds are termed as;

Match the following. Polysiphonia, Sphagnum, Adiantum, Cycas

Carrageen is produced by;

Fusion between one large, nonmotile female gamete and a smaller, motile male gamete is termed;

Identify the plant in which asexual reproduction takes place through gemmae.

Sexual reproduction is oogamous and accompanied by complex post fertilisation developments in;

Species of ______ provide peat that have long been used as fuel, and as packing material for trans-shipment of living material.

Anisogamous type of sexual reproduction is found in;

In liverworts, after meiosis, spores are produced that germinate to form;

Given below are two statements: Assertion A: The spread of living pteridophytes is limited and restricted to narrow geographical regions. Reason R: Pteridophytes need water for fertilisation and its gametophytes require cool, damp, shady places to gr

Protonema occurs in the life cycle of;