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WorksheetsLife Processes
Total questions: 11
Worksheet time: 6mins
In which group of organisms the food material is broken down outside the body?
Mushroom, green plants, amoeba
Yeast, mushroom, breadmould
Paramoecium, Amoeba and Cuscuta
Cuscuta, lice and tapeworm
Select the correct statement?
Heterotrophs make their food.
Heterotrophs utilise solar energy to make food
Heterotrophs do not make their own food
Heterotrophs are capable of converting carbon dioxide and water into carbohydrates
Which of the following statements about autotrophs is incorrect?
They synthesise carbohydrates by using carbon dioxide, water in presence of sunlight and chlorophyll
They store carbohydrates in form of starch
They convert carbon dioxide and water into carbohydrates in the absence of sunlight
They form the first trophic level in food chain
Which of these reactions occur in photosynthesis?
Carbon dioxide is reduced and water is oxidised
Water is reduced and carbon dioxide is oxidised
Carbon dioxide and water are oxidised
Carbon dioxide and water are reduced
A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates the rice water has
Complex proteins
Simple proteins
Starch
Fats
Which is the correct sequence
mouth → stomach → small intestine → oesophagus → large intestine
mouth → oesophagus → stomach → large intestine → small intestine
mouth → stomach → oesophagus → small intestine → large intestine
mouth → oesophagus → stomach → small intestine → large intestine
If salivary amylase is lacking in saliva, which of the event in mouth 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
The inner lining of the stomach is protected by one of the following from hydrochloric acid. Choose the correct one
Mucus
Salivary amylase
Pepsin
Bile
Which part of alimentary canal recieves bile from liver?
Stomach
Small intestine
Large intestine
Oesophagus
In which part of alimentary canal food is finally digested?
Large intestine
Stomach
Mouth cavity
Small intestine
In which part of alimentary canal food is finally digested?
Large intestine
Stomach
Mouth cavity
Small intestine
