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Science Test - 9
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 15: Chromosomes
Science Chapter 16: Hormones
Science Chapter 17: Motions, Measurements or Distances
Q1: During reproduction if X,X chromosomes come together then zygote is
female
male
cant say
none
Q2: During reproduction if X,Y chromosomes come together then zygote is
female
male
cant say
biome
Q3: The male has which chromosomes
X,Y
X
Y
none
Q4:If one parent = A, second parent = O, then offsprings blood group is
A
B
O
AB
Q5: If one parent = B, second parent =O, then offspring may get bloodgroup
O
AB
B
none
Q6: Hemophilia is
sex chromosomal disorder
autosomal
passed from father to son
none
Q7:Cystic fibrosis, Sickle-cell anemia are
sex chromosomal
autosomal
passed from mother to child
none
Q8:Allergic person releases which enzymes that causes reactions
globulin
propanol
cystosine
histamine
Q9: Sex chromosomal disorders are.
hemophilia
color blindness
both
none
Q10: Autosomal disorders are
cystic fibrosis
sickle cell anemia
thalessimia
all
Q11: Pituitary gland is an
duct gland
endocrine
rudimentary
advanced
Q12: pancreas produce
insulin
adrenalin
histamin
testosterone
Q13: If thyroxin isnt produced then it causes
stress
gigantism
goitre
none
Q14: adrenalin is for
adjust to stress
acclimatization
body building
fat breakdown
Q15:growth hormone is needed for
increasing breathing rate
increasing height
reducing fat.
normal growth of a person
Q16: Auxins promote
cells grow longer
rooting of stems
promote flowering
all
Q17: Gibberellins are
helps in the growth of stems
elongation of fruits
acidic.
all the above
Q18:Which is true
Cytokinins: Promote cell division.
Ethylene: Hastens ripening of fruits by increasing their respiration rate.
Abscisic acid: inhibits growth, leads to wilting of leaves
all
Q19: Which hormone causes morphosis of tadpoles into frogs.
adrenalin
cytokinin
thyroxin
auxin
Q20: An object remains in the state of rest or uniform motion till a force compels it to change that state is which law of motion
first
second
third
none
Q21: when a bus starts motion our body is pulled backwards as it is at rest and the feet and bus are in motion. -This is as per which law of motion
first
second
third
all
Q22:A cricketer catching a ball pulls his hand back to increase the time his hand takes to reduce the speed of ball to zero. is as per which law of motion
first
second
third
none
Q23: An athlete also jumps on a cushion to increase the time his body would take to reduce its speed to zero. is as per which law of motion
first
second
third
all
Q24: A karate artist breaks a slab of ice with a single blow using same principle. ->is as per which law of motion
first
second
third
none
Q25: A small bullet can kill a man if its momentum is great, a heavy truck moving a small speed can kill a man easily sue to it momentum.-> Is as per which law of motion
first
second
third
none
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