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Biological Classification — NEET UG Botany PYQs

906 previous year questions from Biological Classification with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

906 questionsBotanySolutions on every page
1

Match List-I with List-II . List-I List-II A. Spherical I. Vibrio B. Rod II. Cocci C. Comma III. Spirilla D. Spirillum IV. Bacilli Choose the correct answer from the options given

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2

Symbiotic association between fungi and algae are called __________.

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3

The main criteria used for Five Kingdom Classification proposed by R.H. Whittaker (1969) included : A. Cell structure B. Body organization C. Presence of flagellum D. Reproduction

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4

Mad cow disease is caused by __________.

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5

Match List-I with List-II . List-I List-II A. Fusion of protoplasms between gametes I. Meiosis B. Fusion of two nuclei II. Plasmogamy C. Generation of haploid spores III. Karyogamy

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6

Which of the following is not a prokaryote ?

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7

Each of the following characteristics represent a Kingdom proposed by Whittaker. Arrange the following in increasing order of complexity of body organization. A. Multicellular hete

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8

Match List I with List II array |l|l|l|l| & List-I & & List-II A. & Rhizopus & I. & Mushroom B. & Ustilago & II. & Smut fungus C. & Puccinia & III. & Bread mould D. & Agaricus & IV

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9

Which one of the following is not a criterion for classification of fungi?

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10

Read the following statements and choose the set of correct statements: In the members of Phaeophyceae, A. Asexual reproduction occurs usually by biflagellate zoospores. B. Sexual

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11

Match List-I with List-II: array lll List-I & c List-II & c Mode of Nutrition . Euglenoid & I. Parasitic .Dinoflagellate & II. Saprophytic . Slime mould & III. Photosynthetic . Pla

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12

Mad cow disease in cattle and Cr Jacob disease in humans are due to infection by

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13

Identify the asexual reproductive structure associated with Penicillium :

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14

Given below are two statements: Statement I : Mycoplasma can pass through less than 1 micron filter size. Statement II : Mycoplasma are bacteria with cell wall. In the light of the

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15

Which of the following is a correct statement?

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16

Which of the following statements is correct?

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17

Which of the following is correct about viroids?

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18

The size of Pleuropneumonia-like Organism ( PPLO ) is:

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19

Which of the following is incorrect about Cynobacteria?

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20

An infectious agent even smaller than viruses was discovered by T.O. Diener. Select the incorrect statement about this infectious pathogen.

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21

Match list A with list B and choose the correct option.

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22

Assertion : Archaebacteria are more similar to eukaryotes rather than eubacteria. Reason : Archaea genome is more similar to eukaryotic genome rather than bacterial genome.

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23

Which of the following is a predatory fungus?

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24

Match the columns.

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25

Match the following.

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26

Identify the diagram of heterocyst.

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27

Mad cow disease in cattle is caused by an organism which has

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28

Which of the following statements is correct?

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29

Match the organisms in Column I with habitats in Column II Select the correct option from the following

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30

Which of the following statements is incorrect?

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31

Which of the following statements about methanogens is not correct?

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32

Which of the following statements is incorrect?

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33

Thermococcus, Methanococcus and Methanobacterium exemplify

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34

Cell wall of fungi is composed of

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35

Oxygen is not produced during photosynthesis by

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36

Which among the following is not a prokaryote?

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37

After karyogamy followed by meiosis, spores are produced exogenously in

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38

Ciliates differ from all other protozoan's in

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39

Which of the following organisms are known as chief producers in the oceans?

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40

Select the wrong statements:

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41

Keystone species deserve protection because these

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42

Assertion: Yeasts are unicellular fungi that are used in bakery and brewery industries. Reason : Potato spindle tuber disease is caused by viroids.

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43

Assertion : Endomycorrhiza of forest trees contribute to the efficient nutrient cycling in tropical forest ecosystems. Reason: The fungi that form endo-mycorrhizal associations wit

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44

Assertion : Neurospora is commonly called water mould. Reason : It belongs to basidiomycetes fungi.

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45

Match the following columns. array ll|ll & Column I & & Column II A. & Pinocytosis & 1. & Euglena gracilis B. & Holozoic & 2. & Paramecium C. & Parasitic & 3. & Amoeba proteus D. &

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46

Viroids differ from viruses in having:

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47

Mycorrhizae are the example of:

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48

Which of the following are found in extreme saline conditions?

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49

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

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50

Select the mismatch:

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51

DNA replication in bacteria occurs

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52

Which of the following components provides sticky character to the bacterial cell?

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53

Assertion : Pili are tubular structures present in bacteria which help in conjugation. Reason : Formation of pili is controlled by F ⁺ or fertility factor .

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54

The genetic material in tobacco mosaic virus is

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55

Identify the labelled part in the given figure and select the correct option.

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56

Yeast is not included in protozoans but in fungi because

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57

Methanogens belong to:

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58

Select the wrong statement.

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59

Which one of the following is wrong for fungi?

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60

Which of the following statements is wrong for viroids?

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61

One of the major components of the cell wall of most fungi is:

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62

Which one of the following statements is wrong?

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63

Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the kingdom:

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64

Pick up the wrong statement.

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65

In which group of organisms the cell walls form two thin lapping shells which fit together?

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66

Which one of the following matches is correct?

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67

Select the wrong statement.

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68

The guts of cow and buffalo possess:

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69

The imperfect fungi which are decomposers of litter and help in mineral cycling belong to:

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70

Which one is a wrong statement?

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71

Choose the wrong statement.

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72

The true nucleus is absent in:

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73

Assertion : In basidiomycetes, basidiospores are produced endogenously in the basidium. Reason: In ascomycetes, ascospores are produced exogenously in ascus.

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74

Five kingdom system of classification suggested by R.H. Whittaker is not based on:

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75

Which one of the following fungi contains hallucinogens?

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76

Archaebacteria differs from eubacteria in:

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77

Anoxygenic photosynthesis is characteristic of:

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78

Which of the following shows coiled RNA strand and capsomeres?

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79

A location with luxuriant growth of lichens on the trees indicates that the:

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80

Which one of the following is true for fungi?

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81

Why is a capsule advantageous to a bacterium?

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82

The term 'glycocalyx' is used for:

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83

Select the wrong statement.

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84

Which of the following are likely to be present in deep sea water?

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85

Pigment-containing memberanous extensions in some cyanobacteria are

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86

Deuteromycetes are known as fungi imperfecti because

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87

Nuclear membrane is absent in

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88

Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?

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89

Maximum nutritional diversity is found in the group

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90

Which one single organism or the pair of organisms is correctly assigned to its or their named taxonomic group?

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91

The highest number of species in the world is represented by

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92

How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypanosoma, Porphyra, Wolffia.

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93

In the five-kingdom classification, Chlamydomonas and Chlorella have been incluced in

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94

Consider the following four statements (a-d) and select the option which includes all the correct ones only. (a) Single cell Spirulina can produce large quantities of food rich in

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95

Which statement is wrong for viruses?

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96

The cyanobacteria are also referred to as

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97

Which one of the following organisms is not an example of eukaryotic cells?

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98

Which of the following is correct?

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99

Protista differs from monera in having

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100

Membrane-bound organelles are absent in

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101

Single-celled eukaryotes are included in

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102

Given below is the diagram of a bacteriophage. In which one of the OPTIONs, all the four parts A, B, C and D are correct ?

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103

Infectious proteins are present in

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104

Virus envelope is known as

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105

Some hyperthermophilic organisms that grow in highly acidic ( pH 2 ) habitats belong to the two groups called

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106

Select the correct combination of the statements (A-D) regarding the characteristics of certain organisms. A. Methanogens are Archaebacteria, which produce methane in marshy areas.

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107

The outermost limiting layer of mycoplasma is made up of

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108

Which one is the wrong pairing for the disease and its causal organism?

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109

T.O.Diener discovered a :

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110

Oxygenic photosynthesis occurs in

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111

Phylogenetic system of classification is based on:

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112

T O Diener discovered a

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113

Thermococcus, Methanococcus and Methanobacterium exemplify

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114

Assertion : Protoplasmic continuity is maintained in perforated septum. Reason : Usually a small pore remains in the centre of the septum.

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115

Trichoderma harzianum has proved a useful micro-organism for

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116

In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statement is true about archaea?

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117

Thermococcus, Methanococcus and Methanobacterium examplify

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118

Thermococcus, Methanococcus and Methanobacterium exemplify

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119

In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statements is true about archaea?

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120

Cellulose is the major component of cell walls of

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