21. Which of the following statements about amphibians is INCORRECT?A. They are cold-blooded.B. They have no scales.C. They have moist skin.D. They do not depend on other living things for food.

22. Which of the following is the common characteristic of both frogs and lizards?A. Both of them are vertebrate.B. Both of them breathe through their skin.C. Both of them have scales.D. Both of them can jump.

23. Which of the following is a warm-blooded animal?A. GoldfishB. LionC. TurtleD. Cockroach

24. Which of the following is a correct match between the living things and its habitat?

Living thing Habitat A. Camel Polar region B. Water lily Sea C. Cactus DesertD. Ostrich Forest

25. Which of the following is/are correct match(es) of the living thing with its natural habitat?

A. (i) onlyB. (i) and (ii) onlyC. (i) and (iii) onlyD. All of the above

c

c

c

c

c

Living Thing Habitat(i) Bat Cave(ii) Lichen Tree trunks(iii) Polar bear Tropical forest

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20. Organisms are generally classified into plants and animals by whether or not they A.produce food by themselves B.are green in colour. C.have flowers. D.can move from one place to another.

21. Which of the following comparisons between animals and plants is incorrect ? Animals Plants A.Intake food Some can make their own food B.React to stimuli quickly React to stimuli slowly C.Can move Cannot move D.Breathe at a faster rate Breathe at a slower rate 22. Which of the following combinations is correct?

Living thing The group that the living thing belongs to A.bee reptile B.bamboo flowering plant C.cactus flowering plant D.cockroach reptile 23. Which of the following is/are the characteristic(s) of insects? (i) Their body is divided into three parts: head, thorax and abdomen. (ii) They use gills for breathing. (iii) They can control their body temperature

A.(i) only B.(ii) only C.(iii) only D.(i) and (iii) only

c

c

c

c

26. Which of the following statements about endangered species is incorrect?A. Endangered species are no longer be found in the Earth.B. All of endangered species are animals.C. Endangered species are those in at risk of becoming extinct.D. Most of endangered species are vertebrate.

27. Which of the following is true about endangered species?A. Pigs are endangered species as they are often killed by humans for food.B. Urban development may damage the habitat of Chinese White Dolphin.C. Rhinoceros are endangered species due to excessive hunting for their skin.D. Dinosaurs are classified as endangered species.

28. Which of the following is FALSE about the Red Panda?A. It is a mammal.B. It has hair. C. It uses its skin to breath.D. It is one of the endangered species.

29. Which of the following lead(s) to destruction of natural habitats for wildlife?(i) Cutting down trees(ii) Building dam for reservoir (iii) Increased human population

A.(i) onlyB.(ii) onlyC.(ii) and (iii) onlyD.All of the above

30. Which of the following are possible methods that we can do conserve our environment?(i) Switch off the air-conditioners whenever they are not used(ii) Turn off the lights whenever they are not used(iii) Place the refrigerator in a shady place.

A. (i) and (ii) only B. (i) and (iii) only C. (ii) and (iii) onlyD. All of the above

c

c

c

c

c

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20. Organisms are generally classified into plants and animals by whether or not they A.produce food by themselves B.are green in colour. C.have flowers. D.can move from one place to another.

21. Which of the following comparisons between animals and plants is incorrect ? Animals Plants A.Intake food Some can make their own food B.React to stimuli quickly React to stimuli slowly C.Can move Cannot move D.Breathe at a faster rate Breathe at a slower rate 22. Which of the following combinations is correct?

Living thing The group that the living thing belongs to A.bee reptile B.bamboo flowering plant C.cactus flowering plant D.cockroach reptile 23. Which of the following is/are the characteristic(s) of insects? (i) Their body is divided into three parts: head, thorax and abdomen. (ii) They use gills for breathing. (iii) They can control their body temperature

A.(i) only B.(ii) only C.(iii) only D.(i) and (iii) only

26. Which of the following statements about endangered species is incorrect?A. Endangered species are no longer be found in the Earth.B. All of endangered species are animals.C. Endangered species are those in at risk of becoming extinct.D. Most of endangered species are vertebrate.

27. Which of the following is true about endangered species?A. Pigs are endangered species as they are often killed by humans for food.B. Urban development may damage the habitat of Chinese White Dolphin.C. Rhinoceros are endangered species due to excessive hunting for their skin.D. Dinosaurs are classified as endangered species.

28. Which of the following is FALSE about the Red Panda?A. It is a mammal.B. It has hair. C. It uses its skin to breath.D. It is one of the endangered species.

29. Which of the following lead(s) to destruction of natural habitats for wildlife?(i) Cutting down trees(ii) Building dam for reservoir (iii) Increased human population

A.(i) onlyB.(ii) onlyC.(ii) and (iii) onlyD.All of the above

30. Which of the following are possible methods that we can do conserve our environment?(i) Switch off the air-conditioners whenever they are not used(ii) Turn off the lights whenever they are not used(iii) Place the refrigerator in a shady place.

A. (i) and (ii) only B. (i) and (iii) only C. (ii) and (iii) onlyD. All of the above

Fill In The BlanksComplete the following sentences.

1. The natural environment, which is also known as a , is being destroyed

by human activities or the arising from their activities. Since living

things are on each other, of one species

may lead to the others. Therefore it is important to the natural

environment.

2. A helps scientists to identify unknown organisms. They are mainly classified

mainly by their . Sorting similar things into groups is called

. Plants are classified into plants and plants

while animals are classified into and .

are those possess backbone, they can be divided into five groups,

namely fish, , , and

birds. Fish are covered with and use to

breathe. The amphibians use lungs and to breathe, there are no

on the skin of them. The are cold blooded animals with dry scales.

have hairs and mammary glands. have feather, wings and a beak.

Yet, even among the same kind of living thing, there are also some differences. Such

differences are called .

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MatchingMatch the words in the left column with the explanations in the right column by writing a to g in the blanks below.

1 2 3 4

5 6 7

1. Stimulus a the natural home of living things

2. Excretion b actions to protect the environment

3. Reproduction c the process to turn an old product into a new one

4. Recycle d harmful substances by the body

5. Habitat e a change in the environment that a living thing will react to

6. Endangered species f the process to produce young of its own kind

7. Conservation g plants or animals that are in danger of becoming extinct

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Long Questions 1

a) Given the following information, construct a key in the space provided below. With backbones: bat, dolphin, fishWithout backbones: mosquito

With mammary glands: bat, dolphinWithout mammary glands: fish, mosquito

Live on land: bat, mosquitoLive in water: dolphin, fish

Draw the key in the box below.

b) With reference to the animals given in the key, name the respiratory structure found ini) batii) fish

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2.

3. Study the key below which is constructed by a student and then answer the following questions.

a) Is it a good key? Why? (2 marks)

b) Draw a proper key to classify th efruit given below. orange, apple, banana, grapes

1a. with flowers go to 21b. without flowers go to 3

3a. with seeds pine3b. without seeds go to 4

2a. leaves with veins in parallel pattern lily2b. leaves with veins in network pattern rose

4a. with leave fern4b. without leave algae

a)

b)

c)

d)

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4. a) Given the following animals, try to construct a key.

b) Which of the given animals is/ are warm-blooded animals?

Eagle Frog Crocodile

Leopard Dolphin

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5. The table below shows the distribution of blood groups of students in Class 1A.

a)i) Present the above results in the form of a bar chart.

a)ii) How many students in Class 1A in total?

b) Which blood group do most students belong to?

c) What does the above result show?

Blood group A B AB O

Number of students 7 3 4 30

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