Question

6. The work done by a coolie walks on a horizontal platform with a load on his

head is:

a) positive b) negative c) zero d) infinite

7. A new organism was found by a biologist. The organism was a multicellular

organism; however, it was not categorized into the kingdom plantae. What can be

a likely reason for this?

a)It cannot prepare its own food.

b)It had cells with cell wall.

c)It was very small in size.

d)It could survive in water.

8. A student was given two unknown plants 1 and 2. She classified plant 1 as

pteridophyte and plant 2 as gymnosperm. What characteristic did plant 2 had that

was missing in plant 1?

a)leaves b)roots c)flowers d)woody stem

9. Which characteristic of Pisces helps differentiates it from Reptilia?

a)absence of backbone b)ability to lay eggs

c)presence of scales d)two-chambered heart​

Answer 1

Answer:

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Answer 2

Answer:

7

option .a,it cannot prepare it's own food