Statement I - Virus free plant can be produced from virus infected plant by means of meristem culture.

Statement II - Virus fails to grow during the growth of host tissues in the artificial medium.

• Statement I is correct, but Statement II is incorrect

• Statement II is correct, but Statement I is incorrect.

• Both Statement are correct

• Both statements are incorrect

The marine organism showing spinning movements and responsible for killing fishes by producing toxins belong to the following kingdom in Whittaker's classification.

• Monera

• Protista

• Fungi

• Animalia

Study the following Columns

Column I	Column II
A. Takhtajan	1. Five Kingdom classification
B. Linnaeus	2. Phylogenetic classification
C. Warming	3. Artificial classification
D. Carl Woese	4. Classification of communities based on relation of water 5. Six kingdom classification

The correct match is

• A - 2; B - 3; C - 4; D - 5

• A - 4; B - 1; C - 5; D - 3

• A - 5; B - 2; C - 1; D -4

• A - 5; B - 4; C - 2; D -3

Study the following Columns.

Column I	Column II
A. Solitary cyme	1. Solanum
B. Monochasical cyme	2. Ipomea
C. Cymule	3. Datura
D. Polychasial cyme	4. Jasmine 5. Nerium

The correct match is

• A - 3; B - 4; C - 5; D - 2

• A - 3; B - 1; C - 4; D - 5

• A - 1; B - 3; C - 5; D - 4

• A - 3; B - 1; C - 5; D - 2

The name of this class is based on sexual structure as the site of karyogamy and meiosis in

• Phycomyctes and Actinomycetes

• Deuteromycetes and Zygomycetes

• Ascomycetes and Basidiomycetes

• Basidiomycetes and Actinomycetes

146.

Red tide of sea is due to presence of

• Gonyaulax

• Cymbella

• chlamydae

• blue-green algae

Which one of the following is a bacteria?

• Pseudomonas

• Clostridium

• Actinomycetes

• Azotobacter

Consider the following statements about basis of classification.

I. Amphibians are classified on the basis of their habitat.

II. Reptiles are classified on the basis of the nature of their skulls.

III. Birds are classified on the basis of their bones.

IV. Mammals are classified on the basis of their mode of reproduction.

Choose the correct option

• Only I

• I and II

• Only II

• II and IV

In biosystematics, the basis of classification is

• major morphological characters

• cytological characters

• evolutionary history considering various parameters from different fields of studies

• phenotypic relationships between species

The protein that reproduce within the living cells are termed as

• plasmids

• phages

• prions

• prophages