Biological Classifications - 20 Jan 2021Contact Number: 9667591930 / 8527521718Biological Classifications - 20 Jan 2021Contact Number: 9667591930 / 8527521718Statement-1 : Linnaeus classified plants into trees, shrubs and herbs, on the basis of morphological characters.
Statement-2 : Aristotle divided animals into group - Anaima and Enaima.
1. Only statement-1 is correct
2. Only statement-2 is correct
3. Both statement-1 and statement-2 are correct
4. Both statement-1 and statement-2 are incorrect
In members of which kingdom, nuclear membrane is absent?
1. Monera
2. Protista
3. Fungi
4. Plantae
In five kingdom classification, the kingdom that includes the blue-green algae, nitrogen fixing bacteria and methanogenic archaebacteria, is
1. Monera
2. Protista
3. Fungi
4. Plantae
Which one of the following is not the basis of five kingdom classification?
1. Cell structure
2. Body organisation
3. Reproduction
4. Reserve food material
Position of bacteria in the kingdom system of classification proposed by Linnaeus is
1. Monera
2. Protista
3. Plantae
4. Animalia
Who was the founder of five kingdom system of classification?
1. C. Linnaeus
2. R.H. Whittaker
3. Aristotle
4. T.O. Diener
According to five kingdom system, gymnosperms and angiosperms are grouped under the kingdom
1. Monera
2. Protista
3. Fungi
4. Plantae
Which organisms are not included in the five kingdom system of classification?
1. Protozoans
2. Viruses
3. Lichens
4. Both (2) & (3)
Who for the first time classified organisms on the basis of scientific approach?
1. Aristotle
2. Linnaeus
3. Whittaker
4. Pasteur
Aristotle classified animals in two groups on the basis of presence or absence of RBC. The group which does not have RBCs is
1. Anaima
2. Enaima
3. Ovipera
4. Vivipera
Heterotrophic, eukaryotic, multicellular organisms lacking a cell wall are included in the kingdom.
1. Protista
2. Fungi
3. Plantae
4. Animalia
Match the following
Column-I Column-II
(Group of bacteria) (Their shape)
a. Coccus (i) Rod-shaped
b. Bacillus (ii) Spherical
c. Spirillum (iii) Spiral
d. Vibrium (iv) Comma-shaped
1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(i), c(iii), d(iv)
3. a(i), b(ii), c(iv), d(iii)
4. a(ii), b(i), c(iv), d(iii)
During favourable conditions bacteria mainly reproduce by
1. Budding
2. Fragmentation
3. Sporulation
4. Fission
Select the correct statement.
1. Cholera, typhoid, tetanus are well-known diseases caused by viruses
2. Dinoflagellates, euglenoids and slime moulds are placed under kingdom Monera
3. Members of kingdom Protista are primarily aquatic
4. Dinoflagellates are the chief ‘producers’ in the oceans
Select the incorrect statement.
1. Nostoc and Anabaena have heterocysts for nitrogen fixation
2. Cyanobacteria often form blooms in polluted water bodies
3. Heterotrophic bacteria are more abundant in nature
4. The cell wall of Mycoplasma are made up of chitin
Heterocysts present in Anabaena is specialised for
1. Nitrogen fixation
2. Food storage
3. Fission
4. Sexual reproduction
Mark the odd one with respect to cell wall.
1. Halophiles
2. Methanogens
3. Thermoacidophiles
4. Cyanobacteria
Primitive bacteria living in salty areas are called as
1. Methanogens
2. Thermoacidophiles
3. Heliophytes
4. Halophiles
Select the non-protistan group.
1. Slime moulds
2. Dinoflagellates
3. Phycomycetes
4. Chrysophytes
Which of the following is correct?
1. All slime moulds are haploid
2. Protozoans lack cell wall
3. Dinoflagellates are non-motile
4. Pellicle is absent in Euglena
Which is not a feature of dinoflagellates?
1. They cause red tides
2. Their cell wall has stiff cellulose plates on the outer surface
3. They release toxins
4. These are mostly fresh water and non-photosynthetic
_________ are saprophytic protists, whose body moves along decaying twigs and leaves engulfing organic material.
1. Euglenoids
2. Dinoflagellates
3. Chrysophytes
4. Slime moulds
Being photosynthetic, which organism in absence of sunlight behave like heterotrophs?
1. Slime moulds
2. Euglenoids
3. Sporozoans
4. Ciliated protozoans
Which is the incorrect statement regarding fungi?
1. Wheat rust causing agent is Puccinia
2. Penicillium is a source of antibiotic
3. The cell wall of fungi are composed of peptidoglycan
4. Fungi prefer to grow in warm and humid places
Statement-1 : Yeast is a multicellular fungus.
Statement-2 : Penicillium is an unicellular fungus.
Statement-3 : Albugo is a parasitic fungus on mustard.
1. Only statement-1 and statement-2 are correct
2. All the above statements are incorrect
3. Only statement-3 is correct
4. Both statement-1 and statement-3 are correct
Mark the correct statement.
1. Phycomycetes include mushrooms, bracket fungi or puff balls
2. The mycelium of basidiomycetes is branched and septate
3. Neurospora is used extensively in biochemical and genetic work, it belongs to group basidiomycetes
4. Morels and truffles are non-edible
With respect to fungal sexual cycle, choose the correct sequence of events.
1. Karyogamy, plasmogamy and meiosis
2. Meiosis, plasmogamy and karyogamy
3. Plasmogamy, karyogamy and meiosis
4. Meiosis, karyogamy and plasmogamy
Mark the odd one with respect to kingdom fungi.
1. They reproduce asexually and sexually
2. They show a great diversity in structure and habitat
3. Most of fungi are saprophytic in their mode of nutrition
4. They do not reproduce by zoospores
The sex organs are absent, but plasmogamy is brought about by fusion of two vegetative or somatic cells of different genotypes. It is the feature of
1. Phycomycetes
2. Basidiomycetes
3. Ascomycetes
4. All of these
The fungi form fruiting bodies in which _________ division occurs, leading to formation of _________ spores.
1. Mitotic, diploid
2. Reduction, haploid
3. Mitotic, haploid
4. Reduction, diploid
Which of the following statement is incorrect about viruses?
1. Viruses contain either RNA or DNA
2. Viruses do not have their own metabolic system
3. Bacteriophages are usually double stranded DNA viruses
4. TMV contains both RNA and DNA as its genetic material
Viruses that infect the bacteria are termed as
1. Cyanophages
2. Bacteriophages
3. Mycophages
4. Both (1) & (2)
Who demonstrated that the extract of the infected plants of tobacco could cause infection in healthy plants?
1. Pasteur
2. M.W. Beijerinek
3. D.J. Ivanowsky
4. W.M. Stanley
The protein coat called capsid made of small subunits called capsomeres are present in
1. Viruses
2. Bacteria
3. Fungi
4. Gymnosperms
Select the incorrect match with respect to genetic material.
1. Herpes virus – ssDNA
2. Bacteriophage – dsDNA
3. TMV – ssRNA
4. Influenza virus – ssRNA