Class IX

Most animals that include fish, reptiles and mammals have very simple life cycles. Check all the stages of the animal life cycle.
  1. They are born (either live from a mother or hatched from eggs)
  2. They grow.
  3. The become adults.
  4. All of the above.
Which of the following is true of animal life cycles?
  1. Some animals reproduce.
  2. Animals only reproduce by laying eggs.
  3. All animals reproduce.
  4. None of the above.
In the life cycle of a plant, the plant eventually dies and then there are seeds left which germinate to produce new plants. Which of the following means that the plant will take two years to complete their life cycle?
  1. annuals
  2. biennials
  3. perennials
  4. monocarpic
The flowering plant group which is biggest in the plant kingdom is _______________.
  1. ferns
  2. angiosperms
  3. gymosperms
  4. none of the above
In the life cycle of a plant, the first step is the seed germinates. During the second step, the plant grows. What occurs in the third step of the life cycle of a plant?
  1. The fruit releases seeds.
  2. The plant flowers.
  3. The plant dies.
  4. none of the above.
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