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WorksheetsNutrition in plants and animals
Total questions: 20
Worksheet time: 10mins
Which of the following shows symbiotic relationship?
Lichens
Rhizobium bacteria and leguminous plants
Both (a) and (b)
None of the above
The plant which traps and feeds on insects is
Cuscuta
China rosa
Pitcher plant
Rose
A parasitic plant with yellow, slender and tubular stem is
Pitcher plant
Cuscuta
Sunflower
None of the above
Amarbel is an example of
Host
Autotroph
Saprotroph
Parasite
The external factor affecting the process of photosynthesis is
Oxygen
Temperature
Chlorophyll
None of these
Which of the following statements is/are correct?
(i) All green plants can prepare their own food.
(ii) Most animals are autotrophs.
(iii) Carbon dioxide is not required for photosynthesis.
(iv) Oxygen is liberated during photosynthesis.
Choose the correct answer from the options below:
(i) and (iv)
(ii) only
(ii) and (iii)
(i) and (ii)
In the absence of which of the following will photosynthesis not occur in leaves?
Guard cells
Chlorophyll
Vacuole
Space between cells
Pitcher plant traps insects because it
is a heterotroph
grows in soils which lack in nitrogen
does not have chlorophyll
has a digestive system like human beings
The term that is used for the mode of nutrition in yeast, mushroom and bread-mould is
autotrophic
insectivorous
saprophytic
parasitic
When we observe the lower surface of a leaf through a magnifying lens we see numerous small openings. Which of the following is the term given to such openings?
Stomata
Lamina
Midrib
Veins
Which of the following is not a part of digestive system?
Mouth cavity
Stomach
Food pipe
Wind pipe
The component of food absorbed in large intestine is
Carbohydrate
Protein
Water
Fats
Bile is produced by
Small intestine
Gall bladder
Liver
Pancreas
Bile plays an important role in the digestion of
Proteins
Starch
Fats
None of these
The part of digestive system where no digestion takes place is
Mouth
Stomach
Oesophagus
Small intestine
Given below from (i) to (iv) are some food items.
(i) Boiled and mashed potato
(ii) Glucose solution
(iii) A slice of bread
(iv) Mustard oil
Which of the above will give blue-black colour when tested with iodine?
(i) and (ii)
(i) and (iii)
(ii) and (iii)
(iii) and (iv)
The finger-like outgrowths of Amoeba helps to ingest food. However, the finger-like outgrowths of human intestine helps to
digest the fatty food substances
make the food soluble
absorb the digested food
absorb the undigested food
Read the following statements with reference to the villi of small intestine.
(i) They have very thin walls.
(ii) They have a network of thin and small blood vessels close to the surface.
(iii) They have small pores through which food can easily pass.
(iv) They are finger-like projections.
Identify those statements which enable the villi to absorb digested food.
(i), (ii) and (iv)
(ii), (iii) and (iv)
(iii) and (iv)
(i) and (iv)
Choose the correct order of terms that describes the process of nutrition in ruminants.
swallowing → partial digestion → chewing of cud → complete digestion
chewing of cud → swallowing → partial digestion → complete digestion
chewing of cud → swallowing → mixing with digestive juices → digestion
swallowing → chewing and mixing → partial digestion → complete digestion
Cellulose-rich food substances are good source of roughage in human beings because
human beings do not have cellulose-digesting enzymes
cellulose gets absorbed in the human blood and converts into fibres
the cellulose-digesting bacteria convert cellulose into fibres
cellulose breaks down into smaller components which are egested as roughage
