21.

As per Whittaker's classification, an organism possessing eukaryotic cell structure, multicellular organisation, with a cell wall and nuclear membrane showing heterotrophic nutrition can be placed under the kingdom :

• Monera

• Protista

• Plantae

• Fungi

• Fungi

Which of the following groups of algae belongs to class Rhodophyceae?

• Laminaria, Fucus, Porphyra, Volvox

• Gelidium, Porphyra, Dictyota, Fucus

• Gracilaria, Gelidium, Porphyra, Polysiphonia

• Volvox, Spirogyra, Ulothrix, Sargassum

• Volvox, Spirogyra, Ulothrix, Sargassum

Select the correct statement:

• Biological names are generally in Greek and written in italics

• Family comprises a group of related species which has more characters in common

• Triticum aestivum comes under the order Sapindales

• An order includes related classes

• An order includes related classes

Which of the following groups of organisms have a protein rich layer called pellicle?

• Chrysophytes

• Euglenoids

• Dinoflagellates

• Slime moulds

• Slime moulds

Which of the following are heterosporous pteridophytes?

I. Lycopodium

II. Selaginella

III. Equisetum

IV. Salvinia

• I and II only

• II and III only

• II and IV only

• II and IV only

• II and IV only

Match the following and choose the correct combination from the options given

• A - 3; B - 2; C - 1

• A - 3; B - 1; C - 2

• A - 2; B - 3; C - 1

• A - 1; B - 2; C - 3

• A - 1; B - 2; C - 3

Choose the correct statement.

• Bryophytes can live in soil but are dependent on water for sexual reproduction

• The sex organs in bryophytes are unicellular

• In bryophyte the main plant body is a gametophyte which is differentiated into true root, stem and leaves

• Common example of liverwort is Polytrichum

• Common example of liverwort is Polytrichum

Read the following statements and identify the correct options given

(A) Angiosperms range in size from microscopic Wolfia to tall trees of Eucalyptus

(B) In angiosperms, the seeds are enclosed by fruits

(C) Double fertilisation is an event unique to angiosperms

(D) In angiosperms, each cell of an embryo sac is diploid

(E) In angiosperms, the zygote develops into an endosperm

• (A), (B) and (D) alone are correct

• (A), (B) and (E) alone are correct

• (A), (B) and (C) alone are correct

• (B), (C) and (D) alone are correct

• (B), (C) and (D) alone are correct

Match the plants in Column I with their modification types in Column II and choose the right options given below

• A - 4; B - 3; C - 2; D - 1

• A - 4; B - 1; C - 2; D - 3

• A - 3; B - 4; C - 1; D - 3

• A - 3; B - 4; C - 2; D - 1

• A - 3; B - 4; C - 2; D - 1

In one plant adventitious roots are modified for storage and in the other plant a lateral branch with short internodes and each node bearing a rosette of leaves and a tuft of roots is found. They are

• Sweet potato and Pistia

• Eichhornia and jasmine

• Carrot and mint

• Turnip and Chrysanthemum

• Turnip and Chrysanthemum