NEW
Font size
WorksheetsLIFE PROCESSES 2
Total questions: 20
Worksheet time: 10mins
What prevents backflow of blood during contraction in heart?
Valves in heart
Thick muscular walls of ventricles
Thin walls of atria
All
39. The blood leaving the tissues is rich in,
carbon di oxide
haemoglobin
oxygen
water
38. The opening and closing of stomatal pore depends on
carbon di oxide in stomata
water in guard cells
temperature
oxygen
Vena cava carries,
Deoxygenated blood from heart to lungs
Oxygenated blood from heart to body parts
Oxygenated blood from lungs to heart
Deoxygenated blood from body parts to heart
What is the advantage of different chambers present in human heart?
Prevent blood clotting
To mix the oxygen rich blood with deoxygenated blood
To get highly deoxygenated blood
To prevent oxygenated blood mixing with deoxygenated blood
Roots of the plant absorb water from the soil through the process of
transportation
diffusion
osmosis
transpiration
Name the largest artery of the body
aorta
renal artery
pulmonary artery
pulmonary vein
Normal blood pressure in human beings is,
80/120mmHg
120/72mmHg
160/80 mmHg
120/80mmHg
Blood clotting is done by
plasma
RBC
WBC
platelets
The blood pressure is measured by the instrument called
sphygmomanometer
Barometer
Photometer
Manometer
The kidneys in human beings are a part of the system for
excretion
transportation
nutrition
respiration
Identify the correct path of urine in the human body.
Kidney → ureter → urethra → urinary bladder
Urinary bladder → ureter → kidney → urethra
Kidney → ureter → urinary bladder → urethra
Kidney → urinary bladder → urethra → ureter
Urea formation takes place in
lungs
skin
liver
kidney
27. The procedure used for cleaning the blood of a person by separating urea from it is called:
double circulation
filtration
osmosis
dialysis
Where is the dirty blood in our body filtered?
Ureter
Kidneys
Lungs
Heart
Which part of nephron allows the selective reabsorption of useful substances like glucose,
amino acids, salts and water into the blood capillaries?
Tubule
Bowman’s capsule
Ureter
Glomerulus
Which of the following options describes the characteristics of a living being ?
Nutrition
Respiration
Excretion
All of these
Amoeba captures food with the help of
teeth
cilia
Pseudopodia
tentacles
In humans the process of digestion begins in the
oesophagus
mouth
stomach
pharynx
The largest gland associated with the human alimentary canal is
stomach
liver
pancreas
small intestine
