CH2

Question 1

Function of mitochondria

Answer 1

Site that generate energy through glucose oxidation during cellular respiration
energy produced is in the form of adenosine triphosphate molecules

Question 2

Function of Centriole

Answer 2

Form spindle fibre durin cell division in animal cells

Question 3

Function of Golgi apparatus

Answer 3

Process, modifies, packs and transports chemicals (protein carbs…)

Question 4

Function of Plasma Membrane

Answer 4

Partially permeable
Control movement of substances into an d out of the cell
Allow exchange of nutrients, respiratory gases and waste material between cell and surround
Separate content of cell from external environment

Question 5

Function of lysosome

Answer 5

contains lysozyme enzyme
hydrolyses complex organic molecules
break down bacteria and component of damaged cells

Question 6

Function of nucleus

Answer 6

Control all cell activities
Contain chromosomes that contain Deoxyribonucleic acid

Question 7

Function of Ribosome

Answer 7

site for protein synthesis

Question 8

Function of Smooth endoplasmic reticulum

Answer 8

synthesis & transport lipid and glycerol
carry out detoxification of drugs and metabolic by products

Question 9

Function of Rough endoplasmic reticulum

Answer 9

Transport protein synthesised by ribosome

Question 10

Function of Cell Wall

Answer 10

Strong and Rigid because it is made from cellulose fibre

Maintain shape of plant cell
Provide mechanical support to plant cells

Question 11

Function of chloroplast

Answer 11

Contain chlorophyll that absorb sunlight and convert it into chemical energy during photosynthesis

Question 12

Function of vacuole

Answer 12

Water is absorbed into vacuole of plant cell and the cell becomes turgid

Question 13

Function of Cytoplasm

Answer 13

medium for biochemical reaction

Question 14

Excretion of Amoeba Sp. and Paramecium Sp.

Answer 14

Water diffuse into contractile vacuole by osmosis
Contractile vacuole expand until it reaches the maximum size
Osmoregulation occur where contractile vacuole contract from time to time to excrete water

Question 15

Reproduction of Ameoba Sp. & Paramecium Sp. in favourable condition

Answer 15

Binary fission by mitosis ; asexual reproduction

Question 16

Reproduction of Ameoba Sp. unfavourable condition

Answer 16

form spores that will only germinate as environment improves

Question 17

Reproduction of Paramecium Sp. in unfavourable condition

Answer 17

Sexual reproduction; Conjugation

Question 18

Organelles abundant in sperm & function

Answer 18

Mitochondria
Produce more energy to swim toward uterus and falopian tube

Question 19

Organelles abundant in Muscle cell & function

Answer 19

Mitochondria
Produce more energy to contract and relax to enable movement

Question 20

Organelles abundant in Plant Meristem Cell & function

Answer 20

Mitochondria
Produce more energy to carry out cell division to produce new cells

Question 21

Organelles abundant Plant mesophyll cell in & function

Answer 21

Chloroplast
absorb maximum sunlight to carry out photosynthesis

Question 22

Organelles abundant in pancreatic cells& function

Answer 22

rough endoplasmic reticulum & golgi apparatus
increase synthesis and secretion of digestive enzyme

Question 23

Organelles abundant in Goblet cell & function

Answer 23

Rough endoplasmic reticulum & Golgi apparatus
secrete mucus

Question 24

Organelles abundant in liver cell & function

Answer 24

Rough endoplasmic reticulum & golgi apparatus
Detoxification of drugs and poison