Biology
551. Unicellular fungi which is not non-hyphal is ________ ?
a. Mushroom
b. Yeast
c. Penicillium
d. Mold
552. Parasitic fungi absorb nutrients directly from the living host cytoplasm with the help of special hyphal tips called ________ ?
a. Mildew
b. Constricting ring
c. Haustoria
d. All of these
553. By which of the following mechanism unicellular yeast reproduce?
a. Sporing
b. Conidiation
c. Budding
d. Fragmentation
554. Constricting ring around nematode is formed by ________ ?
a. Arthrobotrys
b. Pleurotus ostreatus
c. Mildews
d. All of these
555. Simple breaking of mycelium from each broken segments is called _________ ?
a. Sporing
b. Conidiation
c. Budding
d. Fragmentation
556. Type of lichen which tightly attaches to rocks is _________ ?
a. Parmelia
b. Fruticose
c. Foliose
d. Crustose
557. Mycorrhizae are found in about _________ vascular plants?
a. 90%
b. 95%
c. 98%
d. 96%
558. Spores in sporangia are produced by process?
a. Sexual
b. Asexual
c. Both of these
d. None of these
559. Fungi can tolerate pH from ________ ?
a. 3-7
b. 2-6
c. 2-9
d. 3-6
560. Which of the following is responsible for Irish potato famine?
a. Dinoflagellates
b. Kleps
c. Physarum polycephalum
d. Phytophthora infestans
561. Which of the following statement about Kingdom Protista is incorrect ________ ?
a. Their members have characteristics which separate them from other kingdoms
b. They only include unicellular aquatic eukaryotic organisms
c. They do not develop from Blastula or embryo
d. They contain ancestors for fungi plants & animals
562. Spores produced by slime molds are _________ ?
a. Haploid
b. Diploid
c. Triploid
d. None of these
563. Who first separated bacteria from other protists as a group _________ ?
a. John Hogg
b. Ernst Haeckel
c. Margulis and Schwartz
d. Herbert Copeland
564. In slime molds spores develop into _________ ?
a. Swarm cells
b. Biflagellated cells
c. Amoeboid reproductive cells
d. All of these
565. Which of the protozoa has a striking resemblance to collar cells in sponges _________ ?
a. Zooflagellates
b. Choanoflagellates
c. Trypanosoma
d. Tritonymphs
566. Of the following which one is not the characteristic of green algae?
a. Some green algae possess cell wall with cellulose
b. They are generally accepted as the ancestors of green plants
c. Chlorella is unicellular non-motile green algae
d. None of these
567. Radiolarians belong to which of the following protozoal group _________ ?
a. Zooflagellates
b. Actinopods
c. Foraminifera
d. Apicomplexans
568. In chlorophytes the main energy stores are _________ ?
a. Cellulose
b. Starch
c. Glycogen
d. All of these
569. Which of the following statement about ciliates is incorrect _________ ?
a. Contain mainly unicellular organisms
b. Their contractile vacuole is responsible for water regulation
c. They are even capable of sexual reproduction
d. Diploid nucleus being smaller is responsible for cells metabolism and growth while polyploidy nucleus functions in sexual process
570. Examples of Rhodophytes are __________ ?
a. Chondrus
b. Polysiphonia
c. Both of these
d. Pinnularia
571. Of the following which one is not the characteristic of dinoflagellates?
a. Most of them are unicellular
b. They have blooms
c. Their cells are often covered with shells of interlocking cellulose plates impregnated with calcium
d. None of these
572. Lime stone deposits are formed from ________ ?
a. Zooflagellates
b. Foraminferans
c. Actinopods
d. Apicomplexans
573. The most important group of producers in marine ecosystem is of _________ ?
a. Diatoms
b. Euglenoids
c. Dinoflagellates
d. Brown algae
574. Plasmodium belongs to __________ ?
a. Ciliates
b. Apicomplexans
c. Actinopods
d. Foraminefrans
575. Most dinoflagellates are _________ ?
a. Unicellular
b. Multicellular
c. Both of these
d. Zooflagellates
576. Kingdom protista includes ________ phyla?
a. 27
b. 28
c. 26
d. 29
577. All photosynthetic euglenoids lose their chlorophyll when grown in dark and obtain their nutrients heterotrophically this statement is _________ ?
a. True
b. False
c. May be true may be false
d. Unpredictable
578. Stentor is a/an ________ ?
a. Ciliate
b. Foraminiferan
c. Actinopods
d. Apicomplexan
579. Based on molecular data euglenoids are thought to be closely related to ________ ?
a. Dinoflagellates
b. Zooflagellates
c. Protozoans
d. Algae
580. Complex specialized flagellates living symbiotically in the gut of termites are ________ ?
a. Tritonymphs
b. Trypanosoma
c. Euglena
d. Radiolarians
581. Golden algae are also known as _________?
a. Chrysophyta
b. Phaeophyta
c. Pyrrophyta
d. Rhodophyta
582. The definite shape to ciliates is given by _________ ?
a. Pellicle
b. Penicle
c. Calcium
d. Cell wall
583. Brown algae are also known as _________ ?
a. Phaeophyta
b. Rhodophyta
c. Pyrrophyta
d. Chrysophyta
584. Chalk is gradually formed of dead _________ ?
a. Actinopods
b. Foraminiferans
c. Apicomplexans
d. Radiolarians
585. The only group of algae having no flagellated motile cells at any stage is _________ ?
a. Chrysophyta
b. Phaeophyta
c. Pyrrophyta
d. Rhodophyta
586. Of the following which one has glassy shells _________ ?
a. Radiolarians
b. Forams
c. Both of these
d. None of these
587. Most of the photosynthesis on earth is carried by _________ ?
a. Kelps
b. Gymnosperms
c. Angiosperms
d. Algae
588. Which of the following statement is incorrect about algae _________ ?
a. Their zygote unlike plants is protected by parental tissue
b. Their classification is based on pigment composition
c. Most of them have different morphological forms in-different stages of their life cycle
d. Almost all of them are aquatic
589. In which of the following pigments major energy reserves and cell wall are like plants?
a. Rhodophyta
b. Chlorophyta
c. Phaeophyta
d. Chrysophyta
590. The word Archaeobacteria (a division of bacteria) derived from Greek means ________ ?
a. True bacteria
b. False bacteria
c. Recent bacteria
d. Ancient bacteria
591. Who coined the term Animalcules for microorganisms like Bacteria and protozoa _________ ?
a. Robert Koch
b. Louis Pasteur
c. Alexander Fleming
d. Leeuwenhoek
592. Who discovered the bacteria causing tuberculosis and also developed various techniques of media preparation and maintenance of pure culture __________ ?
a. Robert Koch
b. Louis Pasteur
c. Alexander Fleming
d. Leeuwenhoek
593. Which of the following statement is incorrect regarding germ theory of diseases postulated by Robert Koch _________ ?
a. A specific organism can always be found in association with a given disease
b. The organism can be isolated and grown in pure culture in the laboratories
c. The pure culture cannot produce the disease when inoculated into susceptible animal however the causative organism isolated from pure culture can do so
d. It is possible to recover the organism in pure culture from the experimentally infected animals
594. Which of the following structure is not present in all the bacteria ________ ?
a. Cell membrane
b. Chromatin bodies
c. Ribosomes
d. Capsule
595. The size of Spirochete is _________ ?
a. 0.1 - 600 um
b. 100 - 200 nm
c. 500 um
d. 0.75 - 1.25 um
596. E. coli and example of enterobacteriaceae is important for causing diarrheal diseases its size is _________ ?
a. 0.1 - 600 um
b. 100 - 200 nm
c. 1.1 - 1.5 um (width) 2.0 - 6.0 um (length)
d. 0.75 - 1.25 um
597. In bacterial categories the bacteria smaller in number are _________ ?
a. Gram -ive bacteria
b. Eubacteria
c. Ancient bacteria
d. Gram +ive bacteria
598. Germ theory of disease has _________ postulates?
a. 3
b. 5
c. 4
d. 6
599. Some bacteria ranging occasionally a size of 500 m in length are ________ ?
a. Escherichia coli
b. Spirochetes
c. Mycoplasma
d. Epulopiscium
600. Coccobacillus has a shape similar to _________ ?
a. Diplobacillus
b. Sarcina
c. Egg
d. None of these
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