Life cycle of animals and plants 2

Which of the followings statements does not explain the importance of plants?

• They do not move from place to place

• The hold the soil to prevent landslide

• They provide material for tools and shelter

• They give out oxygen

Which of the following statements about the life cycles of a butterfly and a mosquito

are true?

A - The butterfly and mosquito both have a 4-stage life cycle.

B - An adult butterfly and an adult mosquito lay many eggs at a time.

C - Both the caterpillar and the wriggler moult several times before

changing into a pupa.

D - At the pupal stage, both the caterpillar and wriggler stop feeding.

• A, B and C only

• A, B and D only

• A, C and D only

• A, B, C and D

Which graph would most likely represent the amount of food eaten by a caterpillar at

the larva stage?

• 
• 
• 
• 

In which set up(s), will the bead seeds grow?

• P only

• Q only

• P, Q and R only

• Q, R and S only

Which one of the following statements about the life cycle of animals is true?

• All the young of the animals look like their parents.

• The lengths of the life cycle of all animals are the same.

• The young go through the same life cycle as their parents.

• All animals have the same number of stages in their life cycle.

Based on the chart, what could be animal X, Y and Z?

• Animal X: dragonfly; Animal Y: chicken; Animal Z: mosquito

• Animal X: cockroach; Animal Y: dragonfly; Animal Z: frog

• Animal X: butterfly; Animal Y: duck; Animal Z: dragonfly

• Animal X: mosquito; Animal Y: frog; Animal Z: duck

A papaya plant is an adult plant when ____________

• it has stems

• it bears flowers

• it starts to grow roots

• it is able to make its own food

The picture shows the young of _________

• Butterfly

• Dragonfly

• Mosquito

• Cockroach

In which stage of butterfly life cycle, does it stop eating and moving?

• Stage X

• Stage Y

• Stage Z

• Egg stage

According to the life-cycle given, when does the young of a butterfly stop feeding completely?

• About 10 days after the egg is laid.

• About 21 days after the egg is laid.

• About 31 days after the egg is laid.

• About 45 days after the egg is laid.