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Ninth Grade (Grade 9) Development and Reproduction Questions

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Grade 9 Development and Reproduction
Which process allows a mammal to continue to grow in size?
  1. Decomposition of cells
  2. Mitosis of body cells
  3. Cells growing in size
  4. Cells dying
Grade 9 Development and Reproduction
Grade 9 Development and Reproduction
Grade 9 Development and Reproduction
Grade 9 Development and Reproduction
Grade 9 Development and Reproduction
Grade 9 Development and Reproduction
What is a zygote?
  1. A sperm cell
  2. An egg cell
  3. A fertilized egg
  4. A parasite
Grade 9 Development and Reproduction
Grade 9 Development and Reproduction
Which of these are secondary sex characteristics that occur in males during puberty ?
  1. widening of the hips
  2. softer skin
  3. growth of body and facial hair and a deepening of their voice.
  4. none of the above
Grade 9 Development and Reproduction
A zygote is formed when                                    .
  1. the process of meiosis is completed
  2. the egg is formed during meiosis
  3. crossing oer occurs during meiosis
  4. the sperm fertilizes the egg
Grade 9 Development and Reproduction
Grade 9 Development and Reproduction
The union of an ovum and a sperm is called                  .
  1. Miscarriage
  2. Fertilization
  3. Amniocentisis
  4. Ectopic Pregnancy
Grade 9 Development and Reproduction
Incomplete metamorphosis                                                    .
  1. includes the egg, nymph, and adult stages
  2. includes the egg, larva, pupa, and adult stages
  3. adult form has little resemblance to earlier stages
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