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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
The rate of an enzyme catalyzed reaction
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Is constant under condition
Decreases as substrate concentration increases
Cannot be measured
Can be reduced by inhibitors
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Question # 2
Which of the following is not true for spores produced by fungi
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They are haploid
They need water for their dispersal
They are non-motile
They are produced in large number
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Question # 3
Arachis hypogea belongs to the family of
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Rosaceae
Solanaceae
Fabaceae
Poaceae
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Question # 4
Mucus in saliva is made of
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Glycolipids
Glycoproteins
Phospholipids
Saturated fatty acids
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Question # 5
The pores by which water enters in the body of sponge is called.
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Osculum
Ostia
Mouth
Spongocoel
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Question # 6
The carbohydrate digesting enzyme in pancreatic juice is
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Lipase
Amylase
Erypsin
Trypsin
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Question # 7
Which one is a parasitic plant.
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Pitcher plant
Venus fly trap
Dodder
Sun dew
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Question # 8
The most recent era is.
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Paleozoic
Cenozoic
Mesozoic
Protozoic
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Question # 9
The pressure flow theory was first proposed in 1930
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Emst hackel
Ernst Munch
Dixon
Hemming
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Question # 10
The study of microorganism includes bacteria, virus, protozoan and microscopic algae and fungi.
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Molecular biology
Parasitology
Microbiology
Bio technology
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Question # 11
In birds the organ of voice is called.
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Vocal card
Larynx
Syrinx
Parabronchi
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Question # 12
The rate of heat production is increased by increasing muscle contraction by movement is called.
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Thermoregulation
Shilvering thermogenesis
Non shievering
Thermostat thermogenesis
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Question # 13
Intelligence is also a case of polygenic inheritance which is strongly influenced by
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Genes
Environment
Experience
Nature
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Question # 14
Animals of the group of flatworms have simple tubular secretory system called of
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Kidney
Nephron
Protonephridia
Nephridia
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Question # 15
The condition in which biennial and perennial plants are stimulated to flower by exopod to low temperature is called.
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Photoperioclism
Vernalization
Apomixis
Partheiogenesis
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Question # 16
The plantigrade animals used to walk on their
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Digits
Tips of toes
soles
Belly
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Question # 17
Pairing of homologous chromosomes for tetrad formation starts at.
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Leptotene
Zygotene
Diplotene
Pachytene
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Question # 18
Patient of cystic fibrosis often die due to numerous infections of.
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Digestive tract
Excretory tract
Respiratory tract
Reproductive tract
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Question # 19
Most land mammals respond to cold by raising their.
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skin
Furs
Bristles
Spines
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Question # 20
ABO blood group system was discovered by
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Karn Ladsteiner
Bernstein
Correns
T.H.morgans
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Question # 21
This condition appears as a result of point mutation.
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Down syndrome
Turner syndrome
Sickel cell Anaemia
Klinefelter syndrome
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Question # 22
Hypophosphatemia rickets is an X linked.
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Dominant trait
Over dominant trait
co dominant trait
Recessive trait
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