411.
Common indicator organism of water pollution is A
Entamoeba histolytica
B
Lemna pancicostata
C
Eichhronia crassipes
D
Escherichia coli
Answer :
Escherichia coli
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412.
Prevention of deterioration of human race through reducing birth rate among defective individuals is A
Positive euthenics
B
Negative euthenics
C
Negative euthenics
D
Positive euthenics
Answer :
Negative euthenics
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413.
"Die Naturlichen Pflanzen familien" wrote by A
Eichler
B
Linnaeus
C
Engler and Prantl
D
Bentham and Hooker
Answer :
Engler and Prantl
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414.
Terpentine oil obtained from A
Coal
B
Petrolium
C
Cedar wood
D
Pinus
Answer :
Pinus
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415.
Which one of the following is not a correct statement ? A
Botanical gardens have collection of living plants for reference
B
A museum has collection of photographs of plants and animals
C
Key is taxonomic aid for identification of specimens
D
Herbarium houses dried, pressed and preserved plant specimens
Answer :
A museum has collection of photographs of plants and animals
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Museums – are generally set up in educational institutes such as schools and colleges. Museums have collections of preserved plant and animal specimens for study and reference.Note : Specimens are preserved in the containers or jars in preservative solutions. Plant and animal specimens may also be preserved as dry specimens. Insects are preserved in insect boxes after collections, killing and pinning. Larger animals like birds and mammals are usually stuffed and preserved. Museums often have collections of skeletons of animals too.
416.
Edward Bessey proposed a new name for dicots, it was A
Magnoliophyta
B
Anthophyta
C
Oppositifolia
D
Alternifolia
Answer :
Oppositifolia
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417.
Whittaker is famous for A
Two kingdom classification
B
Four kingdom classification
C
Five kingdom classification
D
Distinguishing in Bacteria & blue green Algae
Answer :
Five kingdom classification
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418.
The wall of bacteria is consists of A
N-acetly glucosamine
B
N-acetly muramic acid
C
A and B both
D
Cellulose
Answer :
A and B both
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419.
Cycas have the cotyledons but not included in Angiosperms because of A
Naked ovules
B
Seems like monocot
C
Cricinate ptyaxis
D
Compound leaves
Answer :
Naked ovules
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420.
White rust disease of crucifers is caused by A
Puccinia
B
Ustilago
C
Albugo candida
D
Aspergillus
Answer :
Albugo candida
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