NCERT CLASS 11 | TOPIC : KINGDOM CLASSIFICATION - VIRUSES,VIROIDS AND LICHENS | QB-3 | NEET BIOLOGY ONLINE TEST

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NCERT CLASS 11 | TOPIC : KINGDOM CLASSIFICATION - VIRUSES,VIROIDS AND LICHENS | QB-3 | NEET BIOLOGY ONLINE TEST

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It contains 33 important questions. Choose the most correct answer. Then check your answer. Try again if there are errors. Regards : kalvisolai.net

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1 ➤ 96. 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)

2 ➤ 97. Virus is

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

3 ➤ 98. 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

4 ➤ 99. Virus the name was given by

(a) Ivanowsky (b) Pasteur (c) Whittaker (d) Beijerinck

5 ➤ 100. 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

6 ➤ 101. Viruses are

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

7 ➤ 102. Who showed that virus can be crystallized out?

(a) Ivanowsky (b) Beijerinck (c) Stanley (d) Pasteur

8 ➤ 103. Virus contains

(a) Protein (b) DNA (d) RNA (d) (a) and either (b) or (c)

9 ➤ 104. Virus infected plants generally have

(a) Single stranded DNA (b) Double stranded DNA (c) Double stranded RNA (d) Single stranded RNA

10 ➤ 105. Viruses which infect animals have

(a) Single stranded RNA (b) Double stranded RNA (c) Double stranded DNA (d) Any of the above

11 ➤ 106. Bacteriophage generally have

(a) Single stranded RNA (b) Double stranded RNA (c) Double stranded DNA (d) Any of the above

12 ➤ 107. Capsomeres may be arranged in

(a) Helical (b) Polyhedral (c) Ellipsoid (d) Either (a) or (b)

13 ➤ 108. In virus infected plants the following symptoms can be observed

(a) Mosaic formation and stunted growth (b) Leaf rolling and curling (c) Yellowing and vein clearing (d) All of these

14 ➤ 109. Select the total number of diseases from the following which can be caused by virus in plant or animals.

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Mumps, Smallpox, Rust, Smut, Herpes, Influenza, Potato spindle tuber, Red rot of sugarcane, Turnip mosaic, Black rot crucifier

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(a) 4 (b) 5 (c) 7 (d) 8

15 ➤ 110. Potato spindle tuber disease is caused by

(a) Virus (b) Viroids (c) Lichens (d) Fungi

16 ➤ 111. ‘Viroids’ is discovered by

(a) Ivanowsky (b) T. O. Diener (c) Beijerinck (d) Stanley

17 ➤ 112. Viroids are

(a) Free protein (b) Free RNA (c) Free DNA (d) Free saccharides

18 ➤ 113. The molecular weight of RNA of viroid is

(a) High (b) Low (c) Very high (d) Any of the above

19 ➤ 114. Lichens are symbiotic association between

(a) Algae and bacteria (b) Bacteria and fungus (c) Algae and fungus (d) Fungus and root of higher plant

20 ➤ 115. In lichen, the algal component is called ______ and fungal component is called ______.

(a) mycobiont, phycobiont (b) phycobiont, mycobiont (c) phycobiont, mycorrhazia (d) mycorrhaiza, mycobiont

21 ➤ 116. Which one of the following is heterotrophic in lichen?

(a) Fungus (b) Algae (c) Both (a) and (b) (d) None

22 ➤ 117. Lichens are

(a) Pollution indicators (b) Symbiotic association between algae and fungus (c) Pioneer species in primary succession on rocks (d) All of the above

23 ➤ 118. Which of the following is incorrect about lichens?

(a) Algae part is autotrophic (b) Fungus part absorb nutrient and minerals (c) Fungus provide shelter to algae (d) Algae provide shelter to fungus

24 ➤ 119. Identify the A, B, C and D in this figure.

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(a) A–Spirilla, B–Vibrio, C–Flagellum, D–Cocci (b) A–Cocci, B–Flagellum, C–Spirilla, D–Vibrio (c) A–Vibrio, B–Spirilla, C–Cocci, D–Flagellum (d) A–Flagellum, B–Spirilla, C–Cocci, D–Vibrio

25 ➤ 120. Identify around structure ‘A’ in this diagram

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(a) dsDNA (b) Plasmid (c) Spore (d) Cosmid

26 ➤ 121. What indicates A in this figure?

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(a) Heterocyst (b) Mucilaginous sheath (c) Cyanobacteria (d) ATP

27 ➤ 122. Identify the A, B and C shown in this figure?

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(a) A–Cell wall, B–DNA, C–Cell membrane (b) A–DNA, B–Cell membrane, C–Cell wall (c) A–Cell membrane, B–DNA, C–Cell wall (d) A–DNA, B–Cell wall, C–Cell membrane

28 ➤ 123. Identify the organism given in this diagram and its feature.

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(a) Vibrio–Comma shape bacteria which causes cholera (b) Fungi–Body organization is loose tissue level (c) Blue green algae–Filamentous structure, helps in nitrogen fixation (d) Algae–Heterotrophic structure feeds on Nostoc

29 ➤ 124. Select the incorrect statement about the organism given in this diagram.

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(a) Autotrophic in sunlight (b) Heterotrophic in deprived sunlight (c) Biflagellate (d) They are surrounded by protein rich layer known as cell wall

30 ➤ 125. Identify A, B, C in this diagram.

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(a) A–Euglena, B–Paramoecium, C–Vibrio (b) A–Paramoecium, B–Vibrio, C–Euglena (c) A–Flagella, B–Paramoecium, C–Vibrio (d) A–Paramoecium, B–Slipper animalcule, C–Vibrio

31 ➤ 126. Identify the A, B and C in this figure.

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(a) A–Agaricus, B–Mucor, C–Aspergillus (b) A–Mucor, B–Agaricus, C–Aspergillus (c) A–Aspergillus, B–Mucor, C–Agaricus (d) A–Agaricus, B–Aspergillus, D–Mucor

32 ➤ 127. Identify the A and B shown in this figure.

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(a) A–DNA, B–Capsid (b) A–RNA, B–DNA (c) A–Capsid, B–RNA (d) A–RNA, B–Capsid

33 ➤ 128. What is indicating A to D in this figure.

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(a) A–Collar, B–Tail Fibres, C–Head, D–Sheath (b) A–Sheath, B–Collar, C–Head, D–Tail fibres (c) A–Tail fibres, B–Sheath, C–Collar, D–Head (d) A–Tail fibres, B–Collar, C–Head, D–Sheath

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