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Human Reproduction Questions - All Grades

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Grade 9 Human Reproduction
When does conception, or fertilization, occur?
  1. An egg matures in a female's ovary.
  2. All 23 pairs of chromosomes are present.
  3. A dominant gene overrides a recessive gene.
  4. Sperm from a male unites with an egg from a female.
Grade 9 Human Reproduction
Blood and nutrients are carried from the mother to the developing fetus through the
  1. cervix.
  2. endometrium.
  3. umbilical cord.
  4. Fallopian tubes.
Grade 9 Human Reproduction
The overall physical changes that occur in male and female bodies during puberty are called
  1. adolescent syndrome.
  2. premenstrual syndrome.
  3. estrogen and testosterone.
  4. secondary sex characteristics.
Grade 12 Human Reproduction
What system plays a vital role in the existence of the human species?
  1. Cardiovascular System
  2. Respiratory System
  3. Digestive System
  4. Reproductive System
Grade 8 Human Reproduction
Which process involves the development and maturation of sex organs?
  1. fertilization
  2. puberty
  3. menstruation
  4. ovulation
Grade 8 Human Reproduction
Grade 8 Human Reproduction
Grade 8 Human Reproduction
Grade 6 Human Reproduction
Grade 9 Human Reproduction
Grade 7 Human Reproduction
Where does gestation occur?
  1. uterus
  2. placenta
  3. umbilical cord
Grade 12 Human Reproduction
Grade 7 Human Reproduction
The female sex cell is the
  1. Egg
  2. Ovary
  3. Testis
  4. Sperm
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