WorksheetsCHAPTER -6 LIFE PROCESS
Total questions: 11
Worksheet time: 15mins
If salivary amylase is lacking in the saliva, which of the following events in the mouth cavity will be affected?
Proteins breaking down into amino acids
Starch breaking down into sugars
Fats breaking down into fatty acids and glycerol
Absorption of vitamins
A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that rice water contains
complex proteins
simple proteins
fats
starch
In which part of the alimentary canal food is finally digested?
Stomach
Mouth cavity
Large intestine
Small intestine
Choose the function of the pancreatic juice from the following
trypsin digests proteins and lipase carbohydrates
trypsin digests emulsified fats and lipase proteins
trypsin and lipase digest fats
trypsin digests proteins and lipase emulsified fats
During respiration exchange of gases take place in
trachea and larynx
alveoli of lungs
alveoli and throat
throat and larynx
Single circulation i.e., blood flows through the heart only once during one cycle of passage through the body, is exhibited by
Labeo, Chameleon, Salamander
Hippocampus, Exocoetus, Anabas
Hyla, Rana, Draco
Whale, Dolphin, Turtle
The blood leaving the tissues becomes richer in
carbon dioxide
water
heamoglobin
oxygen
Which of the following is an incorrect statement?
Organisms grow with time
Organisms must repair and maintain their structure
Movement of molecules does not take place among cells
Energy is essential for life processes
The opening and closing of the stomatal pore depends upon
oxygen
temperature
water in guard cells
concentration of CO2 in stomata
Select the correct statement
Heterotrophs do not synthesise their own food
Heterotrophs utilise solar energy for photosynthesis
Heterotrophs synthesise their own food
Heterotrophs are capable of converting carbon dioxide and
water into carbohydrates
Observe the diagram and choose the option that indicate correct labeling -A,B,C,D and E
A- Pulmonary artery, B- Vein, C- , D- Aorta, E- Right atrium.
A- Left ventricle, B- Pulmonary artery, C- Aorta, D- Right atrium, E- Vein
A-Aorta, B- Pulmonary artery, C- Right atrium, D- Left ventricle, E- Vein
A- Aorta, B- Vein, C- Left ventricle, D- Right atrium, E- Pulmonary artery.
