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Online Tests
Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
In fungi, asexual reproduction takes place by
Choose an answer
Conidia
fragmentation
Budding
All of the above
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Question # 2
Helical shape of polypeptide is due to presence within molecule.
Choose an answer
Covalent bond
Hydrogen bond
Peptide bond
disulphide bond
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Question # 3
The branch of biology which deals with the study of ancestral history of living organisms is called.
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Paleontology
Genetics
Evolution
Heredity
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Question # 4
An enzyme is said to be denatured when
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It has no co-factor
It is in a condition of low temperature
Its structure is destroyed
None of these
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Question # 5
A condition of high blood pressure is known as.
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Hypertension
Hypotension
Arteriosclerosis
Hemorrhage
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Question # 6
Sweet pea belongs to which family.
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Fabaceae
Solanaceae
Rosaceae
Poaceae
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Question # 7
The number and variety of species in a place is called.
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Population
Community
Biodiversity
Diversity
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Question # 8
If more substrate to an already occurring enzymatic reaction is added more enzyme activity is seen because
Choose an answer
There is probably more substrate present than there is enzyme
There is probably more enzyme available than there is substrate
There is probably more product present than either substrate or enzyme
The enzyme substrate complex is probably failing to from during the reaction
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Question # 9
The lichen which are leaf like are called.
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Fruticose
Crustose
Foliose
All above
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Question # 10
Which one is a parasitic plant.
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Pitcher plant
Venus fly trap
Dodder
Sun dew
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Question # 11
Which one of the following is not a sub phylum to choradata.
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Urochoradata
Cephalochordata
Hemichordata
Vertebrata
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Question # 12
When expression of a biological character is observed in variable intensity, it is due to the efect of:
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Multiple alleles
Codominance
Epitasis
Polygenic inheritance
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Question # 13
The type of Nastic movement ,which occurs in response to contact is called.
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Hyponastic
Photonasty
Nyctinasty
Thermonasty
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Question # 14
Which of the following is not Synthes lazed is liver
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Urea
Urine
Uric acid
Albumin
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Question # 15
In root nodules, the organisms present are.
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Bacteria
Algae
Fungi
Cyapobacteria
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Question # 16
Most of the major orangs of embryo are formed within the.
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10 week
12 week
14 week
15 week
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Question # 17
In aquatic ecosystem , near shore zone is called.
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Limnetic zone
Littoral zone
Profundal zone
Benthic zone
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Question # 18
A monochromat can perceive
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Three colours
Yellow colours
Only ane colour
Two colours
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Question # 19
The process during which potassium and hydrogen ions and some toxic substances are put into urine is called:
Choose an answer
Tubular secretion
Reabsorption
Filtration
Countercurrent multiplication
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Question # 20
Okazaki fragments are about 1000 - 2000 nucleotides long in
Choose an answer
Prokaryotes
Eukaryotes
Both a & b
None of these
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Question # 21
Secondary growth leads to an increase in the diameter if the.
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Leaf
Root
Stem
Stem and root
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Question # 22
In tropical and subtropical grassland rain reaches about
Choose an answer
1500 mm
2000 mm
2500 mm
3000 mm
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