Plant Kingdom
Chapter - 3
1. Who suggested the five kingdom of classifications?
(a) Robert Hooke (b) Joseph Dalton Hooker
(c) Carolus Linnaeus (d) Whittaker
2. The earliest classification used only
(a) Physiological characters (b) Gross anatomical characters
(c) Gross morphological characters (d) All of these
3. _______ characters are easily affected by environment
(a) Sexual (b) Somatic (c) Anatomical (d) All of these
4. Natural classification system developed were
(a) Natural affinities amongst organism (b) Ultra structure and anatomy
(c) Embryology (d) All of these
5. Chemotaxonomy is based on
(a) Information of chromosome number, structure and behaviour.
(b) Chemical constituents of plants
(c) All observable characters
(b) Only sexual characters
6. According to phylogenetic classification the organisms belonging to same taxa
(a) Are same in anatomy (b) Have same genetic constituent
(c) Have a common ancestor (d) Have all same characteristics
7. The characters used to classify organism when no fossil evidence is supportive is
(a) Numerical taxonomy (b) Cytotaxonomy
(c) Chemotaxonomy (d) All of these
8. Chlorophyll bearing, thalloid, simply, autotropic and mainly aquatic organisms are
(a) Bryophytes (b) Protist (c) Algae (d) All of these
9. Isogamy is seen in
(a) Chlamydomonas (b) Spirogyra (c) Both (a) and (b) (d) None of these
10. Algae possesing both isogamy and anisogamy is
(a) Chlamydomonas (b) Volvox (c) Spirogyra (d) Fucus
11. 50 per cent CO2 fixation on earth is carried out by
(a) Protist (b) Higher plants (c) Algae (d) None of these
12. Hydrocolloids are secreted by
(a) All of the algae (b) Only brown algae
(c) Only red algae (d) Both red and brown algae
13. Microbes used in the preparation of ice cream and jellies are grown on the product secreted by
(a) Chlorella (b) Spirullina
(c) Gelidium and gracilaria (d) All of these
14. The organism which contain chlorophyll ‘a’ and ‘b’ cup-shaped chloroplast and is unicellular is
(a) Spirogyra (b) Chlamydomonas (c) Volvox (d) Ulothrix
15. Zoospores are formed during asexual reproduction of algae and formed in
(a) Sporangia (b) Zoosporangia (c) Microsporangia (d) Megasporangia
16. Red algae are found in
(a) Cold seas (b) Seas with moderate temperature
(c) Warm water (d) None of these Plant Kingdom
17. Algae found in areas with abundant light as well as areas of great depths with no light is
(a) Red algae (b) Green algae (c) Blue algae (d) Brown algae
18. Sexual reproduction of oogamous type is found in
(a) Red algae (b) Green algae (c) Brown algae (d) All of these
19. The most reduced type of sexual reproduction is found in the members of
(a) Red algae (b) Green algae (c) Brown algae (d) All of these
20. How many of the following algae belong to the category of red algae?
Polysiphonia, gelidium, Laminaria, Spirogyra, Porphyra, Fucus, Chlamydomonas
(a) 2 (b) 3 (c) 4 (d) 5
Answer Key :-
1. (D) , 2. (C) , 3. (B) , 4. (D) , 5. (B) , 6. ( C) , 7. (D) , 8. (C) , 9. (C) , 10. (A) , 11. (C) , 12. (D) , 13. (C) , 14. (B) , 15. (B) , 16. (C) , 17. (A) , 18. (D) , 19. (A) , 20. (B)