General
✓✗Given below are two statements.
Statement I: Cyanobacteria often form blooms in polluted water bodies.
Statement II: All cyanobacteria are unicellular and lack a gelatinous sheath.
In the light of the above statements, choose the correct answer from the options given below.
Statement I: Cyanobacteria often form blooms in polluted water bodies.
Statement II: All cyanobacteria are unicellular and lack a gelatinous sheath.
In the light of the above statements, choose the correct answer from the options given below.
- Both Statement I and Statement II are correct
- Both Statement I and Statement II are incorrect
- Statement I is correct but Statement II is incorrect
- Statement I is incorrect but Statement II is correct
General
✓✗Amoebic dysentery is due to infection of
- Entamoeba coli
- Entamoeba histolytica
- Entamoeba gingivalis
- Giardia intestinalis
General
✓✗Which of the following components provides sticky character to the bacterial cell?
- Cell wall
- Nuclear membrane
- Glycocalyx
- Plasma membrane
General
✓✗Which of the following is a bacterial disease?
- Late blight of potato
- Red rust of tea
- Red rot of sugarcane
- Citrus canker
General
✓✗Conidia in ascomycetes are produced
- inside asci
- exogenously on conidiophores
- endogenously in sporangia
- on basidia
General
✓✗Arrange the following systems of classification in the chronological order in which they were proposed.
A. Five kingdom classification
B. Classification of animals by Aristotle on the basis of simple morphological characters
C. Three domain system dividing Monera into two domains
D. Two kingdom classification of Linnaeus
Choose the correct answer from the options given below.
A. Five kingdom classification
B. Classification of animals by Aristotle on the basis of simple morphological characters
C. Three domain system dividing Monera into two domains
D. Two kingdom classification of Linnaeus
Choose the correct answer from the options given below.
- D, B, A, C
- D, B, C, A
- B, D, A, C
- B, D, C, A
General
✓✗Mixotrophic nutrition occurs in
- Euglena
- Amoeba
- Paramecium
- Plasmodium
General
✓✗The term virus means
- small particle
- venom or poisonous fluid
- living fluid
- crystal
General
✓✗__________ is known as 'reindeer moss'
- Roccella tinctoria
- Albugo candida
- Parmelia
- Cladonia rangiferina
General
✓✗Which is the main advantage of a capsule to a pathogenic bacterium inside its host?
- It helps the bacterium in aerobic respiration
- It stores extra genetic information as plasmids
- It provides the bacterium with a means of locomotion
- It helps the bacterium escape the host immune system
General
✓✗Sporangiospores of Mucor are
- diploid
- polyploid
- triploid
- haploid
General
✓✗Conjugation in bacteria was first discovered in
- Salmonella
- Escherichia coli
- Streptococcus
- Bacillus subtilis
General
✓✗The soredium is a reproductive structure of
- Zygomycetes
- Ascomycetes
- Basidiomycetes
- Lichens
General
✓✗Genetic information in Paramecium is contained in the
- micronucleus
- food vacuole
- macronucleus
- mitochondria
General
✓✗Contractile vacuoles of Paramecium are analogous to
- typhlosole of earthworm
- gastrovascular cavity of Hydra
- uriniferous tubules of mammals
- sweat glands of mammals