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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
Q2: During reproduction if X,Y chromosomes come together then zygote is
Q3: The male has which chromosomes
Q4:If one parent = A, second parent = O, then offsprings blood group is
Q5: If one parent = B, second parent =O, then offspring may get bloodgroup
Q6: Hemophilia is
sex chromosomal disorder
passed from father to son
Q7:Cystic fibrosis, Sickle-cell anemia are
passed from mother to child
Q8:Allergic person releases which enzymes that causes reactions
Q9: Sex chromosomal disorders are.
Q10: Autosomal disorders are
sickle cell anemia
Q11: Pituitary gland is an
Q12: pancreas produce
Q13: If thyroxin isnt produced then it causes
Q14: adrenalin is for
adjust to stress
Q15:growth hormone is needed for
increasing breathing rate
normal growth of a person
Q16: Auxins promote
cells grow longer
rooting of stems
Q17: Gibberellins are
helps in the growth of stems
elongation of fruits
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
Q19: Which hormone causes morphosis of tadpoles into frogs.
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
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
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
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
Q24: A karate artist breaks a slab of ice with a single blow using same principle. ->is as per which law of motion
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
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