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Worksheetspaper 2
Total questions: 20
Worksheet time: 20mins
Which organells are founded only in plant cells?
a cell wall
nucleus
RER
mitochondria
Which organell that always provide energy?
a cell wall
nucleus
RER
mitochondria
What the function of vacuoles?
controlling the chemical reaction in the cell
controlling the movement of substances into the cell
making starch inside the cell
using glucose inside the cell
What the process's name while O2 and CO2 changes in alveoli?
active transport
catalysis
diffusion
osmosis
Which process describes osmosis?
diffusion of water through a cell wall
diffusion of water through a partially permeable membrane
diffusion of water through the cell sap
diffusion of water through the cytoplasm
Why the enzyme activity will be decrease in high temperature?
it changes the shape of the active site
it changes the shape of the substrate and product molecules
it increases the force of collisions between substrate and product molecules
it increases the kinetic energy of the substrate molecules
What will happen to a plant grown in soil that is deficient in nitrate ions?
it will have large leaves and good root growth
it will have purple leaves and poor root growth
it will have small leaves and thin stem
it will have white leaves and thick stem
Which pair of substances is transported in the phloem?
amino acids and protein
amino acids and sucrose
protein and starch
starch and sucrose
Which organell that responsible in photosynthesis process?
palisade
epidermis
stomata
xylem
Which one is active immunity?
mother's breast milk
antibody injection
vaccination
antigen production
When the white blood cells can kill the bacteria using the process name called ....
Ab production
egestion
phagocytosis
digestion
Which statement is true ...
HIV is caused by bacteria
Influenza is transmitted through sexual contact
Mucus and skin are pathogens
Antibody is a chemical defens
Which statement about antibiotics is correct?
antibiotics are effective againts viral diseases
antibiotics can provide pain relief
antibiotics are produced by white blood cells
antibiotics can stop bacteria making a protein synthesis
What are the part of sperm cell that correct ...
acrosome
falopiian tube
jelly coat
ovum
Which feature provides energy for sperm to move into egg cell?
acrosome
mitochondria
jelly coat
flagellum
Which hormone mantains the thickness of the lining of the uterus during pregnancy?
folicle stimulating hormone
luteinising hormone
oestrogen
progesterone
Which hormone stimulates ovaries to release the oestrogen?
folicle stimulating hormone
luteinising hormone
testosterone
progesterone
Where is LH produced?
ovary
pituitary gland
prostate gland
uterus
Glucose is required for respiration. Which other molecules is required for aerobic respiration?
CO2
N2
O2
H2O
Where did the gas exchange happen?
bronchi
trachea
alveolus
bronchia
