WorksheetsF2 SC Chp1-3 复习
Total questions: 25
Worksheet time: 12mins
Amphibians breath through ________.
Gills
Moist Skin and Gills
Lungs and Moist Skin
What is a invertebrate?
An animal has no backbone
An animal has a spinal cord
An animal or person that has lungs
Body of mammal is covered by ________.
Fur
Scales
Feathers
Reptiles are ________ blooded.
Cold
Warm
Which are decomposers?
humans
trees
tiger
bacteria and fungi
Which of the organisms make their own food?
consumer
carnivore
producer
decomposer
Which of the following is NOT a characteristic of plant that has monocotyledon?
Has parallel vein leaves
Tap root
Fibrous root
non-woody stem
Which of the following plant can be classified into non-flowering plant?
Fungi
Grass
Maize
Rambutan tree
Which of the following animal is invertebrates and segmented body?
Earthworm
Spider
Crab
Bat
Choose the animal that is a vertebrate.
State the characteristics of dicotyledon? (Three answers)
woody stem
tap root
leaf with network vein
fibrous root
leaf with parallel vein
State the characteristics of monocotyledon? (Three answers)
non-woody stem
tap root
leaf with network vein
fibrous root
leaf with parallel vein
State the type of interaction between the organisms.
Parasitism + -
Mutualism ++
Commensalism + 0
State the type of interaction between the organisms.
Parasitism + -
Mutualism ++
Commensalism + 0
What is a producer?
An animal that eat plants
An animal that eats meat
A green plant that produces its own food
An animal that grows really tall
What is a consumer?
Organism that creates their own food.
Organism that eat other organisms for energy
Organism that decomposes other dead organisms
What is a decomposer?
Organism that creates their own food.
Organism that eat other organisms for energy
Organism that decomposes other dead organisms
Which of these is a main cause of acid rain?
spraying pesticides on crops
burning fossil fuels for energy
dumping sewage倒污水 in river systems
using uranium to generate electricity
Which one of these is NOT a effect of acid rain?
damage the monuments
cause death of aquatic organisms
spread of disease
weakened trees
soil becomes infertile
________ helps build strong bones and teeth. (Two answers)
Potassium
Calcium
Vitamin D
Vitamin A
Vegetables and fruits contain __________ and help in peristalsis肠胃蠕动 to prevent _________.
Carbohydrates, energy
Carbohydrates, constipation
Fibre, constipation
Calories, energy
