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
B.
II and III only
Heterosporous pteridophytes are small herbaceous perennials. They produce two types of spores. Eg, Salvinia and Selaginella.
Match the following and choose the correct combination from the options given
Column I (Alga type) | Column II (Example) |
A. Green alga | 1. Dictyota |
B. Brown alga | 2. Prophyra |
C. Red alga | 3. Spirogyra |
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
Column I | Column II |
A. Ginger | 1. Flattened stems |
B. Pumpkin | 2. Thorns |
C. Bougainvillea | 3. Stem tendrils |
D. Opuntia | 4. Underground stem |
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