The table below shows the characteristics of Items A, B, C and D. A tick (√) indicates the item has the particular characteristics.
Which one of the above is most likely a Non-Living Thing?
Raj placed a cockroach and some pieces of bread and fruits in a large jar. He also placed a small dish of water in the jar. He then covered the lid tightly and left the jar in a dark corner of a cupboard.
After a day, he noticed that the cockroach had died. He suggested the following reasons to explain the death of the cockroach:
A: It did not have enough food.
B: It did not have enough light.
C: It did not have enough air.
D: It did not have enough water.
Which of his reasons would best explain why the cockroach died?
(1) C only
(2) B and C only
(3) A and D only
(4) A, B, C and D
Some students found the following animals in the school garden:
They studies the animals and made the following statements:
A: The ant is an insect because its body consists of three body parts.
B: The spider is an insect because it crawls.
C: The butterfly is not an insect because it has wings and flies.
D: The caterpillar is an insect because it has six legs.
Which of the above statements are incorrect?
(1) A and B only
(2) A and C only
(3) B and C only
(4) C and D only
Which of the following options correctly identifies the headings in the classification chart?
Y: Reproduce from spores
OR
X: Flowering plants
Y: Non-flowering plants
John put some plastic plants, goldfishes, and beads into an aquarium. The goldfishes are fed every day. He counted and recorded the number of plastic plants, goldfishes, and beads over the next two months as shown below.
Which of the following conclusion can be obtained from the above experiment?
A: Only living things can reproduce.
B: Only living things can grow.
C: Only living things can make food.
D: Only living things need food.
(1) A only
(2) B only
(3) A and D only
(4) B and C only
Jiarong wanted to conduct an experiment which shows that living things need food to survive. He set up four identical tanks with a caterpillar in each tank. The caterpillars were all of similar size and age. He covered the tanks using either wire mesh or plastic cling film and put different amounts of fresh leaves in each tank.
Which two set-ups should he use for his experiment?
(1) Set-ups A and B
(2) Set-ups A and C
(3) Set-ups B and D
(4) Set-ups C and D
(2) Set-ups A and C
His students offered some possible suggestions on how the birds could have been grouped.
Which of the above suggestions correctly identifies how the birds are grouped?
(1) A and C only
(2) B and D only
(3) A, C and D only
(4) B, C and D only
Tracy carried out an experiment to show that plants respond to light.
The diagram on the right shows how the plant looked like after a week.
The classification chart below shows how some imaginary creatures can be grouped.
Xing found a creature that has more than two legs and has antennae. Which creature A, B, C or D is it most similar to?
Which one of the following shows the correct position of the insect’s legs?
Annie saw a piece of wooden plank on the ground while she was walking through a forest. She moved the plank aside and found that there was no grass growing under the plank. There was only grass growing around the plank. Which of the following is a good explanation for her observation?
(1) There was no food under the piece of plank.
(2) There was no light under the piece of plank.
(3) There was no water under the piece of plank.
(4) The plank is too heavy.
Study the table of animals below.
a) Which of the animals above are wrongly placed?
b) Which characteristic of birds helps them to keep warm?
(b) The feathers help keep them warm.
Study carefully the flow chart below.
(a)What is the difference between C and D?
(b) What is one similarity in A and B?
(b)Both A and B does not have shell.
The pictures below show three types of plants in David’s garden.
Explain why Plant A needs a support but not Plant B?