Science Inheritance and Variation

• Budding is a type of vegetative reproduction that is shown by a potato tuber that it forms buds which eventually develops into new potatoes
• TRUE or FALSE ?

  In sexual reproduction, the female can produce offspring even in the absence of a mate.

  FALSE
• Runners is an example of natural vegetative propagation.
• An egg cell of a female papaya plant grows into an embryo without being fertilized. what kind of asexual reproduction is shown in the given example?

  parthenogenesis
• Which of the events given below shows internal fertilization?

  A . a female fish laying its eggs on a still part of the water

  B . a female carrying a fetus in her womb

  C . male and female frogs spawning

  D . a cut part of the arm of a sea star grows into a new arm

  C
• In an attempt to escape its predator, a brittle star cut an arm, then undergoes rest to give time for a new arm to grow. Which of the following pairs of asexual reproduction is exhibited in this situation?

  A . budding and regeneration

  B . fragmentation and spore formation

  C . fragmentation and regeneration

  D . budding and sporulation

  C
• A female Hover fly releases its egg cells over a decaying fruit. The male Hover fly releases its sperm to fertilize the egg cells. The fertilized eggs develop into new Hover flies. What kind of fertilization and development are shown by the hover fly?

  A . internal fertilization and external development

  B . external fertilization and external development

  C . internal fertilization and internal development

  D . parthenogenesis and internal development

  B
• What happens during fertilization?

  A . The organisms produces buds

  B . The egg cell and the sperm cell unite

  C . The unicellular organisms splits into two

  D . The spores are released into the atmosphere

  B
• Which of the following events is an example of asexual reproduction?

  A . pollen grains landing on the stigma of flower

  B . a male and a female frog spawning

  C . a hydra producing buds that develop into new hydras

  D . a female fish laying its eggs and a male fish releases its sperm

  C
• Which of the following is an advantage of sexual reproduction over the asexual method of reproduction?

  A . sexual reproduction is a rapid and less energy-consuming process

  B . sexual reproduction produces offspring that carry varying traits

  C . sexual reproduction produces a large number of offspring that are exact clones of parents

  D . sexual reproduction involves fewer steps in the development of offspring

  B
• Which of the following events is NOT an example of asexual reproduction?

  A . bread molds releasing spores

  B . a kangaroo carrying a joey in its pouch

  C . fragments of hydra developing into new hydras

  D . runners of peppermint plant with new plants arising from its nodes

  B