CIE Biology Paper-1: Specimen Questions 8 - 11 of 109

Question number: 8

MCQ▾

Question

The diagram shows a cell.

Identify this cell – A plant or animal cell?

Identify this cell – A plant or animal cell?

Which kind of cell is this – animal or plant?

What type of cell is shown?

Choices

Choice (4) Response
a.

palisade

b.

muscle

c.

nerve

d.

epidermis

Answer

a.

Explanation

Image showing palisade type of cell.

Image showing palisade cell structure.

Image showing palisade cell structure.

Palisade cells are a type of plant cell present in the mesophyll section of a leaf. They are usually on the top layer of a leaf so that they receive the most sunlight possible.

Question number: 9

MCQ▾

Question

Which solution of iodine turns black in the presence of starch?

Choices

Choice (4) Response
a.

Lugol’s solution

b.

Eosin

c.

Carmine

d.

Methyl solution

Answer

a.

Explanation

Lugol’s iodine (IKI) is a brown solution that changes to black in the presence of starches and can be used as a cell stain, making the cell nuclei more visible.

Question number: 10

MCQ▾

Question

Which characteristic is shown by all living things?

Choices

Choice (4) Response
a.

breathing

b.

growing

c.

walking

d.

sleeping

Answer

b.

Explanation

Listed here are the six rules used by scientists:

  • Living things are made of cells.
  • Living things obtain and use energy.
  • Living things grow and develop.
  • Living things reproduce.
  • Living things respond to their environment.
  • Living things adapt to their environment.

Question number: 11

MCQ▾

Question

The diagram shows cells after they have been stained with iodine solution.

Stained cells by iodine solution

Stained cells by iodine solution

Which of the following are stained cells by iodine

Which part gets stained?

Choices

Choice (4) Response
a.

Starch

b.

Fats

c.

Protein

d.

Lipid

Answer

a.

Explanation

Iodine is used in chemistry as an indicator for starch.

When starch is mixed with iodine in solution, an intensely dark blue color develops, representing a starch/iodine compound.

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