Life Processes
Comprehensive quiz covering nutrition, respiration, circulation, transportation, and excretion in living organisms
Questions
Which of the following statements is/are correct?
a. The left side of the heart pumps blood only into the lungs.
b. The two sides of the heart are separated completely by a partition.
c. Arteries carry blood from heart to body organs.
- Only a
- Only b
- Only c
- Both b and c
- Both a and b
___________ contains glomeruli, which filter the blood passing through it.
- Bowman's capsule
- Tubule
- Ureter
- Urethra
- Bladder
Egestion in amoeba takes place through
- anus
- pseudopodia
- vacuole
- cytoplasm
- rupture in cell membrane
Excretory organs of earthworm are
a. nephrons
b. nephridia
c. skin
d. kidneys
- only a and b
- a, b and c
- only b and c
- only c and d
- b, c and d
Which of the following statements is/are correct?
a. Glomeruli filter the blood.
b. Small molecules collect as filtrate in tubules.
c. Bowman's capsule allows selective reabsorption of useful substances into blood capillaries.
- Only b
- Only a
- Only c
- Only b and c
- a, b and c
Which of the following statements is/are correct?
a. The human alimentary canal runs from the mouth to anus.
b. The salivary glands, pancreas and liver form a part of the human digestive system.
c. The buccal cavity contains the organs used for egestion of food.
- only a
- only b
- only c
- only a and b
- a, b and c
Which of the following statements is/are correct?
a. Small intestines in humans are the site of complete digestion of food.
b. Small intestines receive secretions from liver and pancreas.
c. Small intestines are the smallest part of the alimentary canal.
- Only a
- Only c
- Both b and c
- Both a and c
- Both a and b
_______ breaks down the emulsified fats during digestion of food.
- Enzyme amylase
- Enzyme lipase
- Enzyme trypsin
- Mucus
- Enzyme pepsin
Which of the following store(s) bile?
- Liver
- Oesophagus
- Pancreas
- Gallbladder
- Stomach
_________ serves as the internal energy reserve to be used as and when required by the plant.
- Oxygen
- Starch
- Glycogen
- Carbohydrates
- Carbon
Which of the following statements is/are incorrect?
a. Bile is acidic in nature.
b. Bile salts break fats present in food.
c. Pancreas secrete bile to aid pancreatic juice in digestion.
- Only a
- Only b
- Only c
- Both a and b
- Both a and c
Which of the following store(s) digested food that is not immediately used by the human body?
- Pancreas
- Gallbladder
- Large intestine
- Small intestine
- Liver
Living things need oxygen to obtain energy from food. This oxygen reacts with food molecules and burns them slowly to release energy. The energy released is stored in
- blood
- mitochondria of cell
- ATP molecules in cell
- cell membrane
- cell nucleus
Which of the following receive(s) bile?
- Pancreas
- Liver
- Large intestine
- Small intestine
- Stomach
Which of the following statements is/are correct?
a. The phase of heartbeat when the heart contracts and pumps blood into the veins is called diastole.
b. The phase of heartbeat when the heart expands is called systole.
c. Normal blood pressure values are considered to be 120/80.
- only a
- only b
- only c
- only a and b
- a, b and c
_________ is produced as a waste product during respiration in cells of body tissues.
- Glucose
- Glucogen
- Oxygen
- Nitrogen
- Carbon dioxide
Muscle cramps occur due to
- aerobic respiration in muscles
- accumulation of pyruvic acid in blood
- glycolysis in mitochondria of muscle cells
- accumulation of lactic acid in muscles
- sudden build up of oxygen in cells
The tissue fluid that remains after the fluid that seeps into blood capillaries and enters into lymph capillaries to become lymph carries
a. carbon dioxide
b. protein molecules
c. fragments of dead cells
d. digested fats
- a, b, c and d
- Only a, b and c
- Only a, b and d
- Only b, c and d
- Only b and d
_________ is a colourless liquid which contains water and dissolved substances.
- Platelet
- Haemoglobin
- Plasma
- RBC
- WBC
_______ protects the muscular heart.
- Septum
- Pericardium
- Pulmonary vein
- Vena cava
- Aorta
Which of the following pairs is incorrect?
- Prawns : gills
- Lizard : spiracles
- Frog : lungs
- Grasshopper : trachea
- Earthworm : skin
Translocation is the
- transport of food from leaves to other parts of the plant
- transport of water in non-flowering plants
- transport of hormones made by plants in the root and shoot tips
- transport of xylem sap through xylem vessels to all parts of the plant
- transport of water and minerals through the roots and stem of plants to reach the leaves