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Science Test - 7
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 11: Soils
Science Chapter 10: Flowers
Science Chapter 9: Environment
Q1:Roots- absorb water and nutrients from soil by a process called
endocytosis
osmosis
cytokinesis
reverse osmosis
Q2: Function of root hairs is
increase surface area for absorption.
penetrate deeper into soil
reach more places
anchor the soil firmly
Q3: Some plants like banyan, grass roots arise from parts other than radicle called
tap roots
fibrous root
pseudoroots
adventitious roots
Q4: Plants with tap roots have what type of venation ?
fibrous
circular
reticulate
parallel
Q5: Plants with fibrous roots have what type of venation
semiparallel
circular
paralell
reticulate
Q6: Reproduction that occurs through roots, stems and leaves is
sexual
vegetative
cross pollination
self pollination
Q7:The growing tissue in the plant is called
meristematic
intercalary
permanent
cilia
Q8: Macronutrients are obtained from
air
water
soil
all
Q9: Functions of macronutrients are
components of biomolecules
activate/inhibit enzymes
components of energy related substance
all
Q10:Boron and calcium deficiency leads to
yellow leaves
blue leaves
both A and B
death of meristem
Q11: cover crop that is planted on the field and ploughed under while its green to improve nutrients in the soil is called
vermicompost
biocompost
green manure
none
Q12: male reproductive part in flowers are called as
Stamens
sty
pistil
sepal
Q13:female reproductive part in flowers is called as
petals
sepals
pistil
none
Q14: The male and female gamete fuse to form
embryo
egg
zygote
cyst
Q15:Soil has the following layers:
A horizon
B horizon
C horizon
all
Q16: if proportion of fine particles is more then soil is
sandy
loamy
hard
clayey
Q17: Crops grown in rainy season from June to September are called.
kharif
rabi
zaid
none
Q18: Crops grown from October to march during winter season are.
rabi
zaid
horticultural
kharif
Q19:Which is true
Loamy soil is best for plants
sandy soil is well drained
clayey soil retains water.
all
Q20: Which joint the rounded end of one bone fits into the cavity of the other bone.
pivot
ball and socket
hinge
all
Q21: head joins our neck at a ____ joint
hinge
ball and socket
fixed
pivot
Q22: Additional parts of skeleton but not hard as bones are called as
skeleton
endoskeleton
cartilage
ligaments
Q23:Blood, bones , ligaments, cartilage, tendons are which type of tissues
epithelial
muscular
connective
all
Q24: Bones are made up of
phosphorous
Calcium
magnesium
A and B
Q25:Which is false
Snails move with the help of a muscular foot
Muscles can only pull not push.
Fine hair and mucus in our nose prevents dust from entering the human body.
none
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