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WorksheetsLET'S RECALL@ LIFE PROCESS- NUTRITION AND RESPIRATION
Total questions: 15
Worksheet time: 11mins
The autotrophic mode of nutrition requires
Carbon dioxide and water
Sunlight
Chlorophyll
All of the above
The breakdown of pyruvate to give carbon dioxide water and energy takes place in
Cytoplasm
Mitochondria
chloroplast
Nucleus
Saliva contains an enzyme for digestion of starch
Amylase
Lipase
Trypsin
Glycerol
Which is the largest gland in human body
Pancreas
Liver
Adrenal
Pituitary
What protects the inner lining of stomach from hydrochloric acid
Carbon dioxide
Protein
Mucus
Fat layer
What is correct about bile juice in human digestion
Bile does not contain any enzyme
Bile is alkaline
Bile salt is present which helps to Tu emulsify the fat
All of the above
Why do the walls of trachea not collapse when there is less air in it?
Supported by rings of cartilage
Supported by Rib cage
No air is left the question is wrong
Because of strong muscles
Why does lack of oxygen in muscles often lead to cramps among cricketers?
Formation of lactic acid during lack of oxygen
Conversion of pyruvate to ethanol and CO2 in absence of oxygen
Due to formation of CO2 and H2O in mitochondria
None of the above
State the balanced symbol equation for photosynthesis
CO2 + H2O -> C6H12O6 + O2
C6H12O6 + 6O2 -> 6CO2 + 6H2O
6CO2 + 6H2O -> C6H12O6 + 6O2
CO2 + H2O -> 6C6H12O6 + O2
chloroplasts are present in the ___________ of the leaf.
palisade parenchyma
aerenchyma
sclrenchyma
collenchyma
in plants food is stored i the form of
glycogen
starch
maltose
glucose
The waste product generated during photosynthesis is
carbon dioxide
oxygen
nitrogen
water
