Biology Ques Pertgh Penggal 2

8/4/2019 Biology Ques Pertgh Penggal 2

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1. Diagram 1 shows the different stages which take place during cell division.

(a) Name the cell division shown in Diagram 1.

............................................................................................................................................................

[1 mark]

(b) Arrange the stages in Diagram 1 according to the correct sequence of events during cell division

............................................................................................................................................................

[1 mark]

(c) Name the stages labelled K and N?

K : .................................................................................................................................................

N : .................................................................................................................................................

[2 marks]

(d) Explain the behaviour of chromosomes during stages K and N.

K : .................................................................................................................................................

N : .................................................................................................................................................

[2 marks]

Diagram 1



Diagram 2 shows an experiment carried out on animal cloning by using two different species of frog

(e) Based on Diagram 2, state the meaning of cloning.

............................................................................................................................................................

............................................................................................................................................................

[1 mark]

(f) Name the type of reproduction shown in Diagram 2. Give a reason for your answer.

............................................................................................................................................................

............................................................................................................................................................

[2 marks]

(g) Describe why a mature intestinal cell is used in this experiment. Give two reasons.

............................................................................................................................................................

............................................................................................................................................................

[2 marks]

(h) (i) Based on Diagram 2, name the species of frog that will be produced at the end

of the experiment.

....................................................................................................................................................

[1 mark]

(ii) Explain your answer in (h) (i).

...................................................................................................................................................

....................................................................................................................................................

[1 mark]

Diagram 2

Species X

Ovum A

BOvum withoutnucleus

C

D

Intestine is removed from

the tadpole

UV light

Nucleus is sucked out

from the intestine

Nucleated egg cell fused

with the nucleus of

intestinal cell

Species Y

F

E



2. Diagram 3 shows the levels of cell organisation in human.

(a) State what a cell is.

............................................................................................................................................................

[1 mark]

(b) Name Cell P and Tissue Q

Cell P : .................................................................................................................................................

Tissue Q : ...........................................................................................................................................

[2 marks]

(c) Based on Diagram 3, explain the organisation and function of Tissue Q and stomach.

Tissue Q : ...........................................................................................................................................

............................................................................................................................................................

Stomach : ..........................................................................................................................................

............................................................................................................................................................

[4 mark]

(d) State the Level R of cell organisation.

............................................................................................................................................................

[1 mark]

Smooth muscle cell

Tissue Q

Gastric

gland

Level R

Tissue P

Cell P

Tissue

Cell

Stomach

Diagram 3



(e) (i) Name the food molecules that are digested in the stomach and the enzyme for

this reaction.

Food molecules : .......................................................................................................................

Enzyme : ......................................................................................................................

[2 marks]

(ii) Describe how the hydrochloric acid produced by the gastric glands help in the

digestion of food molecules in the stomach.

...................................................................................................................................................

....................................................................................................................................................

....................................................................................................................................................

[2 marks]

3. Diagram 4(a) shows the human digestive system.

(a) (i) State the difference between mechanical and chemical digestion.

...................................................................................................................................................

...................................................................................................................................................

...................................................................................................................................................

[2 marks]

Diagram 4(a)



(b) (ii) State the difference between absorption and assimilation.

...................................................................................................................................................

...................................................................................................................................................

...................................................................................................................................................

[2 marks]

(c) Name the structures P and Q.

P : ......................................................................................................................................................

Q : .....................................................................................................................................................

[2 marks]

(d) Describe how Q is involved in the digestion of fats and starch in P

..........................................................................................................................................................

..........................................................................................................................................................

[2 marks]

(f) Diagram 4(b) shows two types of fats

(i) State the type of fats shown in Diagram 4(b)

R : ................................................................. S: ...................................................................

[2 marks]

(ii) A girl takes food from group R continuously for a long period of time. Explain the

consequences to the health of her heart.

...................................................................................................................................................

....................................................................................................................................................

....................................................................................................................................................

[3 marks]

Diagram 4(b)

Butter, meat, dairy product, cheese Vegetable oil like corn oil



4. Diagram 5 represents the structures of four organic compounds which are found in living cells.

(a) (i) Name the compounds of X and Z

X : ...............................................................................................................................................

Z : ..............................................................................................................................................

[2 marks]

(ii) State the monomer of X and Y

X : ...............................................................................................................................................

Y : ...............................................................................................................................................

[2 marks]

(b) (i) Monomer X can be divided into 2 groups, which is essential and non-essential of monomer

X. State the difference between these two groups .

....................................................................................................................................................

....................................................................................................................................................

[1 mark]

(ii) State the reaction that leads to synthesis of compound Z.

...................................................................................................................................................

[1 mark]

(c) What would happen if pancreatic cells are unable to synthesis compound X?

............................................................................................................................................................

[1 mark]

W

Diagram 5



(d) (i) In the space below draw and label the structure of the basic unit of organic compound W.

[2 marks]

(ii) Name two type of organic compound W.

...................................................................................................................................................

[1 mark]

(iii) State 2 differences between the organic compounds you have named in (d)(iii)

...................................................................................................................................................

....................................................................................................................................................

...................................................................................................................................................

[2 marks]

5. Diagram 6 shows three organisms P , Q and R.

(a) (i) Describe the type of nutrition in P and Q. [4 marks]

(ii) Explain one similarity and four differences for the alimentary canals and types of nutrition

between Q and R. [10 marks]

(b) Based on the statement above, state the causes and suggest ways on how to overcome the

health problems mentioned in the statement. [6 marks]

Poor eating habits result in health problems such as obesity, anaemia and constipation

Diagram 6

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Biology Ques Pertgh Penggal 2