81. Temperature tolerance of thermal blue-green algae is due to
(1) mitochondrial structure
(2) cell wall structure
(3) homopolar bonds in their proteins
(4) cell organisation
82. The term antibiotic was first used by
(1) Waksman
(2) Flemming
(3) Lister
(4) Pasteur
83. Organelle/organoid involved in genetic engineering is
(1) golgi apparatus
(2) plasmid
(3) lomasome
(4) mitochondrion
84. Tobacco Mosaic Virus (TMV) genes are
(1) polyribonucleotides
(2) double stranded RNA
(3) proteinaceous
(4) single stranded RNA
85. Reverse transcriptase is
(1) DNA dependent DNA polymerase
(2) RNA dependent RNA polymerase
(3) RNA dependent DNA polymerase
(4) DNA dependent RNA polymerase
86. Entamoeba coli causes
(1) Dysentery
(2) Pyrrhoea
(3) None
(4) Diarrhoea
87. Protistan genome has
(1) gene containing nucleoproteins condensed together in loose mass
(2) membrane bound nucleoproteins embedded in cytoplasm
(3) nucleoprotein in direct contact with cell substance
(4) free nucleic acid aggregates
88. Nitrogen fixer soil organisms belong to
(1) green Algae
(2) mosses
(3) soil Fungi
(4) bacteria
89. Rickettsiae constitute a group under
(1) independent group between bacteria and viruses
(2) bacteria
(3) fungi
(4) viruses
90. Nonsymbiotic nitrogen fixers are
(1) soil fungi
(2) Azotobacter
(3) blue-green algae
(4) Pseudomonas
91. Decomposers are organisms that
(1) attack and kill plants as well as animals
(2) illaborate chemical substances, causing death of tissues
(3) operate in relay terms, simplifying step by step the organic constituents of dead body
(4) operate in living body and simplifying organic substances of cells step by
92. Claviceps purpurea is causal organism of
(1) Ergot of Rye
(2) Smut of Barley
(3) Powdery Mildew of Pea.
(4) Rust of Wheat
93. Ustilago caused plant diseases called smut because
(1) they develop sooty masses of spores
(2) they parasitise cereals
(3) affected parts becomes completely black.
(4) mycelium is back
94. Protista includes
(1) chemoautotrophs
(2) heterotrophs
(3) all the above
(4) chemoheterotrophs
95. Protists obtain food as
(1) chemosynthesisers
(2) photosynthesisers, symbionts and holotrophs
(3) holotrophs
(4) photosynthesisers
96. Macro and micronucleus are the characteristic feature of
(1) Hydra and Ballantidium
(2) Paramecium and Vorticella
(3) Vorticella and Nictothirus
(4) Opelina and Nictothisus
97. The function of contractile vacuole, in protozoa, is
(1) osmoregulation
(2) locomotion
(3) reproduction
(4) food digestion
98. Which of the following organism possesses characteristics of both a plant and an animal?
(1) Mycoplasma
(2) Bacteria
(3) Paramecium
(4) Euglena
99. The plasmid
(1) is a component of cell wall of bacteria
(2) helps in respiration
(3) is the genetic part in addition to DNA in micro-organisms
(4) genes found inside nucleus
100. Mycorrhiza represents
(1) symbiosis
(2) antagonism
(3) parasitism
(4) endemism
(1) mitochondrial structure
(2) cell wall structure
(3) homopolar bonds in their proteins
(4) cell organisation
82. The term antibiotic was first used by
(1) Waksman
(2) Flemming
(3) Lister
(4) Pasteur
83. Organelle/organoid involved in genetic engineering is
(1) golgi apparatus
(2) plasmid
(3) lomasome
(4) mitochondrion
84. Tobacco Mosaic Virus (TMV) genes are
(1) polyribonucleotides
(2) double stranded RNA
(3) proteinaceous
(4) single stranded RNA
85. Reverse transcriptase is
(1) DNA dependent DNA polymerase
(2) RNA dependent RNA polymerase
(3) RNA dependent DNA polymerase
(4) DNA dependent RNA polymerase
86. Entamoeba coli causes
(1) Dysentery
(2) Pyrrhoea
(3) None
(4) Diarrhoea
87. Protistan genome has
(1) gene containing nucleoproteins condensed together in loose mass
(2) membrane bound nucleoproteins embedded in cytoplasm
(3) nucleoprotein in direct contact with cell substance
(4) free nucleic acid aggregates
88. Nitrogen fixer soil organisms belong to
(1) green Algae
(2) mosses
(3) soil Fungi
(4) bacteria
89. Rickettsiae constitute a group under
(1) independent group between bacteria and viruses
(2) bacteria
(3) fungi
(4) viruses
90. Nonsymbiotic nitrogen fixers are
(1) soil fungi
(2) Azotobacter
(3) blue-green algae
(4) Pseudomonas
91. Decomposers are organisms that
(1) attack and kill plants as well as animals
(2) illaborate chemical substances, causing death of tissues
(3) operate in relay terms, simplifying step by step the organic constituents of dead body
(4) operate in living body and simplifying organic substances of cells step by
92. Claviceps purpurea is causal organism of
(1) Ergot of Rye
(2) Smut of Barley
(3) Powdery Mildew of Pea.
(4) Rust of Wheat
93. Ustilago caused plant diseases called smut because
(1) they develop sooty masses of spores
(2) they parasitise cereals
(3) affected parts becomes completely black.
(4) mycelium is back
94. Protista includes
(1) chemoautotrophs
(2) heterotrophs
(3) all the above
(4) chemoheterotrophs
95. Protists obtain food as
(1) chemosynthesisers
(2) photosynthesisers, symbionts and holotrophs
(3) holotrophs
(4) photosynthesisers
96. Macro and micronucleus are the characteristic feature of
(1) Hydra and Ballantidium
(2) Paramecium and Vorticella
(3) Vorticella and Nictothirus
(4) Opelina and Nictothisus
97. The function of contractile vacuole, in protozoa, is
(1) osmoregulation
(2) locomotion
(3) reproduction
(4) food digestion
98. Which of the following organism possesses characteristics of both a plant and an animal?
(1) Mycoplasma
(2) Bacteria
(3) Paramecium
(4) Euglena
99. The plasmid
(1) is a component of cell wall of bacteria
(2) helps in respiration
(3) is the genetic part in addition to DNA in micro-organisms
(4) genes found inside nucleus
100. Mycorrhiza represents
(1) symbiosis
(2) antagonism
(3) parasitism
(4) endemism
Tags:
NEET BIOLOGY