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Science Test - 3
Read Instructions for the test.
Negative marks are -0.33 per wrong answer
Right answer is 1 mark
No time limit but finish in 30 mins
Solution can be found at below chapters:
Test series is based on following chapters.
Science Chapter 1: Nutrition
Science Chapter 2: Blood and Constituents
Science Chapter 3: Micro Organisms
Science Chapter 4: Cells
Q1: cell membrane is made up of
lipids and proteins
lipids
calcium
magnesium
Q2:basic components of cell are
Nucleus, cytoplasm and membrane
Nucleus, cytoplasm and golgi body
Vacuole, cytoplasm and membrane
Nucleus, ER and membrane
Q3: Ribosome is needed in manufacture of
vitamins
proteins
calcium
energy
Q4: Smooth ER is needed in manufacture of
lipids
enzymes
iron
proteins
Q5: In vertebrates Smooth ER is needed in
detoxifies poisons and drugs
manufacture lipids
manufacture enzymes
none
Q6: Golgi body helps in formation of
lysosomes
enzymes
iron
enzyme
Q7:Golgi body helps in making
complex sugars from simple sugars
fats
energy
simple sugars from complex sugars
Q8: information to be inherited by the next generation in form of
RNA
DNA
r-DNA
Genes
Q9: Plant cells have
small vacuoles
single vacuoles
no cell wall
centrioles
Q10:Centrioles are seen only in
plant cell
animal cell
both
none
Q11: Plastids are seen only in
animal cell
plant cell
both
none
Q12:Green pigment responsible for photosynthesis is
leucoplast
chloroplast
chlorophyll
monophyll
Q13: In cells gases are exchanged by
diffusion
osmosis
endocytosis
all
Q14:Water moves in to the membrane by
diffusion
cytokinesis
endocytosis
osmosis
Q15:Cell wall is present in
plant cell
animal cell
bacterial cell
A and C
Q16:It is difficult to make medicines to target viruses as
they are complex organisms
they are resistant to everything
they have very few biochemical process
none
Q17: Cellular respiration involves using oxygen [aerobic] to break down food [glucose] into
energy; carbon dioxide and water
energy; proteins, vitamins
sugar
sugar and strach
Q18: Anaerobic respiration gives as byproducts
alcohol, carbon dioxide and energy
alcohol
oxygen, energy
carbon dioxide, water
Q19:Anaerobic respiration of yeast to make beer is called
fertilization
segmentation
fermentation
astigmatism
Q20: bacillus that helps in conversion of milk into curd.
nitrococcus
nitrosommas
azotobacter
lactobacillus
Q21: Antibiotics are made from
bacteria only
algae
fungi, protozoa
fungi and bacteria.
Q22: Analgesics are for
pain relief
anti bacterial
anti allergic
none
Q23:Preservatives are
Sodium benzoate
sodium metabisulphide
salts of propanoic, sorbic acid and edible oils
all
Q24: Which is true
Evolution is progress from lower to higher forms.
evolution seems to have given birth to complex designs even when simpler designs continue to flourish.
both
none
Q25:Artificial sweeteners are
Aspartame
Sucralose
Saccarin
All
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