Chapter 2

Who was the first to attempt a more scientific basis of classification? (a) Linnaeus (b) Aristotle (c) Whittaker (d) Bentham and Hooker

Aristotle classified plants in herbs, shrubs and trees on the basis of (a) Anatomical feature (b) Morphological characters (c) Physiological characters (d) Biochemical characters

In how many groups did Aristotle divide the animals on the basis of presence/absence of RBC? (a) 1 (b) 2 (c) 3 (d) 4

Two kingdom classification does not distinguish between (a) Eukaryote and prokaryote (b) Unicellular and multi-cellular organisms (c) Photosynthetic (green algae) and non-photosynthetic (fungi) organisms (d) All the above

In which year Whittaker proposed the five kingdom classification? (a) 1960 (b) 1959 (c) 1969 (d) 1979

Whittaker's kingdom are (a) Plantae and Animalia (b) Monera and Protista (c) Fungi (d) All of these

How many main criteria were used by Whittaker for classification? (a) 1 (b) 3 (c) 4 (d) 5

What is the criteria used by Whittaker for classification? (1) Cell structure (2) Thallus organization (3) Mode of nutrition (4) Reproduction (5) Phylogenetic relationship (6) Biochemical difference (7) Physiological character (a) All except (5) and (6) (b) All except (5) and (7) (c) All except (6) and (7) (d) All except (3) and (4)

In earlier classification (like two kingdoms), the following are included in plant (1) Bacteria, blue green algae, fungus (2) Mosses and fern (3) Gymnosperms and angiosperm (a) (1) only (b) (2) and (3) only (c) (3) only (d) All of these

What is common to bacteria, mosses and fungus? (a) It is a mode of nutrition (b) Presence of cell wall (c) Autotrophic (d) Body organization

All prokaryotic groups are put under kingdom (a) Monera (b) Plantae (c) Fungi (d) Protista

Kingdom protista contains (a) Blue green algae (b) Fungi (c) Unicellular eukaryotes (d) All of these

Chlamydomonas, chlorella, paramecium and amoeba are placed in which kingdom of Whittaker's classification? (a) Monera (b) Plantae (c) Fungi (d) Protista

Phylogeny refers to (a) Morphology (b) Physiology (c) Reproduction (d) Evolutionary relationship

Kingdom monera contains (a) Bacteria (b) Dinoflagellate (c) Slime moulds (d) Euglenoid

Most abundant microorganism are (a) bacteria (b) virus (c) amoeba (d) paramecium

Which of the following is incorrect about bacteria? (A) It is grouped under five categories on the basis of shape. (B) It can live in hot spring, deep ocean, snow and desert areas. (C) It can live as a parasite. (D) It is composed of simple behaviour and complex structure. (a) (A) and (B) only (b) (A) and (D) only (c) (B) and (C) only (d) (C) and (D) only

Most extensive metabolic diversity is found in (a) Protozoans (b) Amphibian (c) Bacteria (d) Fungi

Most of the bacteria are (a) Chemo-autotrophs (b) Photo-autotrophs (c) Heterotroph (d) Holozoic

Match the column: Column I \(\quad\) Column II A. Salty area 1\. Thermoacidophile B. Hot spring 2\. Methanogen C. Marshy area 3\. Halophiles (a) A-3, B-1, C-2 (b) A-1, B-2, C-3 (c) \(\mathrm{A}-2, \mathrm{~B}-1, \mathrm{C}-3\) (d) \(\mathrm{A}-2, \mathrm{~B}-3, \mathrm{C}-1\)

Archaebacteria can live in some of the most harsh habitats because of (a) Presence of mesosome (b) High power of multiplication (c) Special cell wall structure (d) All of these

Following are present in gut of cows and buffaloes and is responsible for the production of methane from the dung of these animals (a) Methanogen (b) Thermoacidophiles (c) Halophils (d) All of these

Motile bacteria possess (a) Cilia (b) Flagella (c) Both (a) and (b) (d) None of these

Which of the following statements is true about cyanobacteria? (a) It is found in fresh water only. (b) It may be unicellular, colonial or filamentous. (c) They often form bloom in non-polluted fresh water bodies. (d) Colonies are not surrounded by gelatinous sheath.

Specialized cell of nostoc and anabaena fix nitrogen are known as (a) Cyst (b) Heterocyst (c) Oocytes (d) Cholecyst

Find out the total number of false statements: A. Cyanobacteria have chlorophyll 'a'like green plants. B. Bacteria which oxidizes various inorganic substance such as nitrates and ammonia and uses the released energy for ATP production are chemosynthesis autotrophic bacteria. C. Heterotrophic bacteria are less in abundance in nature. D. Majority of heterotrophic bacteria are decomposers. E. Chemosynthetic autotrophic bacteria play an important role in recycling of nutrients like nitrogen, phosphorus iron and sulphur. (a) 1 (b) 2 (c) 3 (d) 4

Heterotrophic bacteria helps in (a) Curding of milk (b) Production of antibiotic (c) Nitrogen fixation in leguminous plant (d) All of these

Select the total number of disease from the following caused by bacteria: Mumps, Smallpox, Citrus canker, Cholera, Typhoid, Tetanus, Sleeping sickness, Malaria (a) 2 (b) 4 (c) 5 (d) 6

Which one is correct about reproduction in bacteria? (a) Mainly by binary fission (b) Spores are formed under unfavorable condition (c) Sexual reproduction by transfer of DNA from one to another (d) All of these

Following features belong to A. Complete lacking of cell wall B. Anaerobic C. Smallest living cell D. Many of them are pathogenic to plant and animals (a) Chrysophytes (b) Prions (c) Viroids (d) Mycoplasma

Which of the following is incorrect about protista? (a) All are single cell eukaryotes (b) Some have flagella or cilia (c) Sexually reproduce by cell fusion and zygote formation (d) Members of protista are primarily terrestrial

Kingdom protista include (a) Chrysophyte (b) Dinoflagellate (c) Euglenoids (d) All of these

Which kingdom of Whittaker are not well-defined? (a) Monera (b) Protista (c) Fungi (d) Animalia

Which of the following is correct about chrysophytes? I. Found in fresh and marine water II. Microscopic plankton III. Cell walls are embedded with \(\mathrm{CaCO}_{3}\) IV. Most of them are photosynthetic (a) I and III only (b) I, III and IV only (c) I, II and IV only (d) I and IV only

Chief producers in ocean are (a) Euglenoids (b) Dinoflagellate (c) BGA (d) Chrysophytes

Chrysophytes include (a) Diatoms (b) Golden algae (c) Desmids (d) All of these

Diatomaceous earth is used in (a) Polishing (b) Filteration of oils (c) Filteration of syrups (d) All of these

In cell wall forms two thin overlapping shells which fit together as in a soap box. (a) Dinoflagellates (b) Diatoms (c) Euglenoids (d) None of these

Mostly marine, photosynthetic and biflagellate organisms are (a) Diatoms (b) Desmids (c) Dinoflagellates (d) Euglenoids

The following features belong to I. Appear yellow, green, brown, blue and red depending on the pigment in cell. II. Stiff cellulose plate forms cell wall. III. One longitudiual and one transverse flagella present. IV. Photosynthetic (a) Diatoms (b) Desmids (c) Dinoflagellates (d) Euglenoids

Red tide is because of (a) Desmids (b) Gonyaulax (c) Euglena (d) Red algae

Which of the following is true about gonyaulax? (a) Release toxin (b) Slow multiplication causing red tide (c) Heterotropic (d) All of these

Habitat of euglenoids is (a) Fresh river water (b) Fresh stagnant water (c) Marine water (d) All of these

Mode of nutrition in euglenoids is (a) Autotropic (b) Heterotropic (c) Symbiotic (d) Mixotropic

Characteristic feature of euglenoids are A. Presence of cell wall B. Presence of two flagella C. Photosynthetic in presence of sunlight D. Presence of pellicle on their cell (a) A and D only (b) \(\mathrm{B}\) and \(\mathrm{D}\) only (c) B, C and D only (d) All of these

Euglenoids have flexible body because of (a) Cellulosic wall (b) Protein rich pellicle (c) Lipoic wall (d) Pectinic wall

Pigments of euglenoids are identical to (a) Bacteria (b) Diatoms (c) Dinoflagellates (d) Higher plants

Euglena posses all except (a) Pellicle (b) Two equal flagella (c) Two unequal flagella (d) Mixotrophic nutrition

Character belongs to slime moulds A. Saprophytes B. Forms plasmodium under favourable condition C. Spores posses true walls D. Spores are dispersed by water E. Body moves along decaying twings and leaves engulfing organic matter. (a) All except E (b) All except D (c) All except \(\mathrm{C}\) and \(\mathrm{E}\) (d) All except \(\mathrm{B}\)

Which protist are believed to be the relatives of animals? (a) Slime moulds (b) Dinoflagellates (c) Protozoans (d) Diatoms