Chapter 2

Protozoans are A. Hetrotrops B. Parasites or predators C. Protist D. Belived to be primitive relative of animals (a) A and B only (b) \(\mathrm{B}\) and \(\mathrm{C}\) only (c) D and A only (d) All of these

Amoeboid protozoans (a) Live in fresh water, sea water or moist soil (b) Captures prey by putting pseudopodia (c) Marine forms have shells on their surface (d) All of the above

False feet is the characteristic of which protozoan? (a) Sporozoan (b) Ciliated protozoan (c) Flagellated protozoan (d) Amoeboid protozoans

Sleeping sickness is caused by (a) Plasmodium (b) Paramoecium (c) Trypanosoma (d) Entamoeba

The protist which possess flagella is (a) Paramoecium (b) Plasmodium (c) Trypanosoma (d) Entamoeba

Ciliated protozoan possess (a) Thousands of cilia (b) Gullet that opens outsides to cell (c) Coordinated movement of rows of cilia (d) All of these

Sporozoans possess (a) Spore like stage in life cycle (b) They are infectious (c) They are motile (d) Both (a) and (b)

Select the correct statement from the following for kingdom fungi A. They are heterotrophic. B. They show less diversity in morphology and habitat. C. Yeast is an unicellular fungus. D. They prefer to grow in warm and humid places. (a) A and D only (b) \(\mathrm{C}\) and \(\mathrm{D}\) only (c) A, C and D only (d) A and B only

Which of the following are example of fungus? (a) Toadstool (b) Puccinia (c) Yeast (d) All of these

Which of the following pairs belongs to the same kingdom? (a) Mycoplasma and Euglena (b) Golden algae and Green algae (c) Toadstool and Albugo (d) Lichens and Alternaria

Refrigeration prevents food from spoilage by (a) Fungus (b) Bacteria (c) Both (d) None of these

Which is not a correct matching? (a) Rust \(\rightarrow\) Puccinia (b) Yeast \(\rightarrow\) Bread and beer (c) Chrysophyte \(\rightarrow\) Diatomaceous earth (d) Penicillium \(\rightarrow\) Red tide

The following features belongs to A. Body consist of long, slender thread-like structures called hyphae. B. Cell wall consist of chitin. C. Cosmopolitan (a) Ciliated protozoans (b) Slime moulds (c) Fungi (d) Euglenoids

If hyphae are continuous tube filled with multinucleated cytoplasm it is known as (a) Septate hyphae (b) Coenocytic hyphae (c) Mycelium (d) None of these

Select the correct matching: A. Fungi depend on dead substrate \(-\) Saprophytic B. Fungi depend on living plants and animals \(-\) Parasite C. Fungi as symbiont with algae Lichens D. Fungi as symbiont with root of higher plant \(-\) Mycorrhazia (a) A and B only (b) \(\mathrm{B}\) and \(\mathrm{C}\) only (c) \(\mathrm{C}\) and \(\mathrm{D}\) only (d) All of these

Vegetative reproduction in fungus takes place by (a) Fragmentation (b) Fission (c) Budding (d) All of these

Asexual reproduction in fungus occurs by spores known as (a) Conidia (b) Sporangiospores (c) Zoospores (d) Any of the above

Sexual reproduction in fungus is by (a) Oospores (b) Ascospores (c) Basidiospores (d) Any of the above

Sexual reproduction in fungus occurs in the following sequential event. Arrange them properly. A. Fusion of two nuclei called karyogamy. B. Fusion of protoplasm between two motile or non-motile gametes. C. Meiosis in zygote resulting in haploid spores. (a) \(\mathrm{A} \rightarrow \mathrm{B} \rightarrow \mathrm{C}\) (b) \(\mathrm{B} \rightarrow \mathrm{A} \rightarrow \mathrm{C}\) (c) \(\mathrm{C} \rightarrow \mathrm{B} \rightarrow \mathrm{A}\) (d) \(\mathrm{C} \rightarrow \mathrm{A} \rightarrow \mathrm{B}\)

Dikaryon and dikaryophase is seen in the case of (a) Ascomycetes (b) Basidiomycetes (c) Phycomycetes (d) Both (a) and (b)

The kingdom fungi is divided into various classes on the basis of (a) Morphology of mycelium (b) Mode of spore formation (c) Type of fruiting bodies (d) All of these

During sexual reproduction in fungus (a) Hyphae of same class come together and fuse. (b) Hyphae of same genus come together and fuse. (c) Hyphae of closely related species come together and fuse. (d) Hyphae of compatible mating type come together and fuse.

Habitats of phycomycetes are (a) Aquatic (b) Decaying wood in moist and damp place (c) Obligate parasite in plant (d) All of these

Endogenously produced spores are found in all except (a) Mushroom (b) Mucor (c) Albugo (d) Rhizopus

The following features belong to class A. Asexual reproduction by zoospores or aplanospores. B. Fusion of gametes may be isogamous, anisogamous or oogamous. C. Mycelium is aseptate and coenocytic. D. Spores are endogenously produced in sporangium. (a) Ascomycetes (b) Deuteromycetes (c) Phycomycetes (d) Basidiomycetes

Ascomycetes are mostly (a) Acellular (b) Unicellular (c) Multicellular (d) All of these

Unicellular ascomycetes is (a) Penicillium (b) Alternaria (c) Saccharomyces (yeast) (d) Agaricus

The following features belongs to class A. Mycelium branched and septate. B. Asexual spores conidia produced exogenously. C. Sexual spores produced endogenously. D. Many members of this class are edible. (a) Ascomycetes (b) Phycomycetes (c) Basidiomycetes (d) Deuteromycetes

Which of the following is extensively used in biochemical and genetic work? (a) Aspergillus (b) Claviceps (c) Neurospora (d) Penicillium

The commonly known form of basidiomycetes are (a) Mushrooms (b) Bracket fungi (c) puffballs (d) all

The following characteristics are of which of the given fungi? A. Mycelium branched and septate. B. Asexual spores are generally not found. C. Vegetative reproduction by fragmentation is common. D. Sex organs are absent but plasmogamy is by fusion of two somatic cells of different strains or genotype. (a) Phycomycetes (b) Basidiomycetes (c) Deuteromycetes (d) Ascomycetes

Basidiospores are produced on basidium (a) Endogenously (b) Exogenously (c) Both (a) and (b) (d) None of these

Find out the correct matching: (a) Ustilago-Smut (b) Puccinia-Rust (c) Agaricus-Mushroom (d) All are correct

Which of the following fungi only reproduce by asexual spores conidia? (a) Alternaria (b) Colletotrichum (c) Trichoderma (d) All of these

Deuteromycetes are known as imperfect fungi because (a) Only sexual phase is found. (b) Only asexual or vegetative phase are known. (c) Both asexual and sexual phase are known. (d) Reproduction in these fungi is absent.

Many members of \(\quad\) class are decomposers of litter and help in mineral cycling. (a) Ascomycetes (b) Deuteromycetes (c) basidiomycetes (d) phycomycetes

The following features belongs to A. Mycelium septate and branched. B. Some members are saprophytes or parasites. C. Reproduce only by conidia. (a) Ascomycetes (b) Deuteromycetes (c) Basidiomycetes (d) Phycomycetes

Which of the following are examples of insectivorous plants? (a) Bladderwort (b) Venus fly trap (c) Cuscuta (d) Both (a) and (b)

Kingdom plantae include (a) Algae and bryophytes (b) Pteridophytes and gymnosperms (c) Angiosperms (d) All of these

Plant cells have all except (a) Chloroplast (b) Cellulosic cell wall (c) Large vacuole (d) Centriole

Alternation of generation is seen in all except (a) Fucus (b) Sphagnum (c) Equisetum (d) Alternaria

Life cycle in plant has generally two distinct phase the sporophytic and the gametophytic that alternate with each other. This phenomenon is called as alternation of generation. (a) diploid, diploid (b) diploid, haploid (c) haploid, diploid (d) haploid, haploid

Select from the following the total number of features belonging to animal kingdom. 1\. Multicellular, heterotrophic. 7\. Higher forms shows sensory and 2\. Most of them capable of locomotion. neuromotor mechanism. 3\. Have definite shape and size. 8\. Some members are autotrophic. 4\. Digestion of food in internal cavity. 9\. Presence of cellulose cell wall. 5\. Holozoic mode of nutrition. 10\. Sexual reproduction generally by 6\. Stored food reserve as glycogen or fat. \(\quad\) copulation of male and female. (a) 6 (b) 7 (c) 8 (d) 10

In five kingdom classification of Whittaker, some acellular organisms are not included, they are (a) Virus (b) Viroids (c) Lichens (d) Both (a) and (b)

Virus is (a) Completely non-living (b) Inert crystalline structure outside the living cell (c) Cellular organism (d) One of Whittaker's classification

'Virus', the name means (a) Venom or poisonous fluid (b) Acellular form (c) Non-cellular form (d) The connecting link between living and non-living

"Virus', the name was given by (a) Ivanowsky (b) Pasteur (c) Whittaker (d) Beijerinck

Contagium vivum fluidum (infections living fluid) name given to fluid extract from infected tobacco plant was given by (a) Ivanowsky (b) Pasteur (c) Whittaker (d) Beijerinek

Viruses are (a) Inert outside their specific host cell (b) Obligate parasite (c) Passes through bacteria proof filter (d) All above statements are correct

Who showed that virus can be crystallized out? (a) Ivanowsky (b) Beijerinck (c) Stanley (d) Pasteur