Science (2nd Periodical Test)

Choose the correct answer.

It is the process which plants enable to start a new organism.

  • fertilization
  • reproduction
  • life cycle

It is the process when pollen grains from the male part of the flower has traveled and joined the egg cell in the female part of the flower.

  • fertilization
  • reproduction
  • life cycle

It is the transfer of the pollen grains from the stamen to the pistil.

  • pollination
  • fertilization
  • life cycle

It is inside the ovary become seeds little by little.

  • fruit
  • seed
  • ovule

Which of the following is true?

  • When puberty begins, girls start to feel insecure.
  • When puberty begins, boys start to menstruate.
  • When puberty begins, girls start to menstruate.

What happens when two sperm fertilize two eggs in the duct?

  • No fertilization will take place.
  • The mother will experience reproductive system disorder.
  • Fraternal twins will be conceived.

How do we propagate plants asexually?

  • by planting the seed of the plant
  • by planting a part of the plant
  • by washing the seed

Which of the following are rhizomes?

  • squash
  • bulbs
  • string beans

It is only one parent involved in the propagation of plant.

  • sexual reproduction
  • asexual reproduction
  • polination

Which of the following plant is an example that reproduce asexually?

  • monggo
  • gumamela
  • santol

Spherical glands located in a pouch outside a male's body; the function is to produce sperm cells and testosterone.

  • scrotum
  • testes
  • uterus

Small called tubes where immature sperm cells are produced.

  • ovaries
  • seminiferous
  • testes

Long called tubes where mature sperm cells are stored

  • epididymis
  • fallopian tube
  • testes

A tube that serves as the passageway of matured sperm cells from each testis to the urethra.

  • seminiferous
  • vas deferens
  • uterus

A sac skin containing the testis which keeps its temperature lower than the body.

  • scrotum
  • testes
  • uterus

Oval-shaped structures that produces egg cells

  • uterus
  • fallopian tube
  • ovaries

A tube that leads the egg cell to uterus.

  • fallopian tube
  • vas deferens
  • scrotum

Shaped like an upside down pear where a zygote develops into a fetus.

  • vagina
  • uterus
  • ovaries

Hollow muscular tube that leads to the vulva; also called the birth canal.

  • vagina
  • uterus
  • ovaries

True or False

Metamorphosis

  • Metamorphosis is the changes in the form and structure before they look like their parents.

Frog

  • A frog undergoes several stages: egg - larva or tadpole - young frog - adult

Butterfly

  • A butterfly has the following stages: egg - larva - pupa - young butterfly

Cockroach

  • A cockroach shows four stages: egg - nymph - pupa - adult

Life cycle

  • Life cycle is a period in the life of an animal from time it becomes a fertilized egg up to reproduction and death.

Boy or Girl

They tend to grow mustache and/or beard.

  • Boy
  • Girl
  • Boy & Girl

Become taller, heavier and bigger.

  • Boy
  • Girl
  • Boy & Girl

Breast become enlarged.

  • Boy
  • Girl
  • Boy & Girl

Voice become deeper in tone.

  • Boy
  • Girl
  • Boy & Girl

Sweat glands develop faster.

  • Boy
  • Girl
  • Boy & Girl

Proper or Not Proper

Exercise, Rest and Sleep

1. Exercise a lot, and balance it with enough rest and sleep.

Food

 Eat a balance go, grow and glow food

Pimples

Pricking the pimples in your face will ease your problem.

Carbohydrates

Eat mostly carbohydrates, since you need a lot of energy.

Bath

It is all right even if you do not take a bath when you perspire. Just change to dry clothes

Drag the answer.

Flower

  • stamen
  • ovule
  • anther
  • petal
  • ovary