WorksheetsLife Processes
Total questions: 20
Worksheet time: 15mins
a plant is kept in dark cupboard for 48 hours before conducting any experiment on photosynthesis to
remove chlorophyll from the leaves
remove starch from the plant
ensure that no photosynthesis occurs
ensure that leaves are free of starch
If the rate of respiration becomes ore than the rate of photosynthesis, plants will
continue to live, but will not be able to store food
be killed instantly
grow more vigorously (rapidly) because more energy is available
stop growing and gradually die of starvation.
the correct order of steps in nutrition in human beings is
ingestion - digestion - assimilation - absorption - egestion
ingestion - digestion - absorption - assimilation - egestion
ingestion - absorption - digestion - egestion - assimilation
ingestion - assimilation - absorption - digestion - egeston
All producers show
heterotrophic nutrition
autotrophic nutrition
holozoic nutrition
both A and B
pancreas pour secretions into
oesophagus
stomach
large intestine
duodenum
bile is produced in
Gall bladder
pancreas
liver
duodenum
Oxygen is needed by the body
to purify the blood
to pump blood in vessels
to aerate lungs
to produce ATP
During deficiency of oxygen pyruvate is converted into lactic acid in
mitochondria
nucleus
chloroplast
cytoplasm
passage of inhaled air in human beings
trachea - lungs - larynx - pharynx - alveoli
nose - larynx - pharynx - bronchus - alveoli - bronchioles
nostril - pharynx - larynx - trachea - bronchi - bronchioles - alveoli
nose - mouth - lungs
inhalation occurs when
diaphragm is lowered
diaphragm is elevated
ribs move upwards
ribs move downward
conduction of water in plants mainly occur through
tracheids
companion cells
sieve tubes
stomata
contraction in the right ventricle pumps blood into the
Aorta
pulmonary vein
pulmonary artery
coronary artery
the heart chamber having the thickest muscular wall is
left atrium
right atrium
right ventricle
left ventricle
the main function of the lymph is
transport O2 to brain
transport CO2 to lungs
return interstitial fluid to blood
return RBCs and WBCs to lymph vessels
food prepared in leaves is translocated by the
xylem
phloem
pith
epidermis
Excretion commonly involves
Removal of by products during catabolism
Removal of by products during anabolism
Removal of nitrogenous waste
All of the above
In Amoeba, ammonia is excreted through
Plasma Membrane
Food Vacuole
Contractile Vacuole
Both (b) and (c)
which blood vessel takes blood away from the kidney?
Renal Portal Vein
Renal Vein
Afferent Arteriole
Efferent Arteriole
The correct path in urine formation is
kidney - ureter - bladder- urethra
bladder- kidney- ureter- urethra
kidney- ureter- urethra- bladder
kidney- bladder- urethra- ureter
Glomerulus and Bowman's capsule constitute
collecting tubule
malphigian capsule
ureters
collecting duct
