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Worksheetsscience chapter 1 and 2
Total questions: 20
Worksheet time: 16mins
The process of taking food by an organism and its digestion, absorption and utilization by the body is called
Nutrients
photosynthesis
parasitic mode
nutrition
the process by which green plants make their own food (glucose) from carbon dioxide and water by using solar energy in the presence of chlorophyll is called
nutrients
chlorophyll
chloroplast
photosynthesis
what are guard cells
green plants are called
heterotrophs
autotrophs
hydrotrophs
saprotrophs
the leaves of the lant are green because they contain
chlorophyll
nucleus
the process of nutrition animal has
5
4
9
0
the process by which food is taken inside is called
ingestion
digestion
egation
the buccul cavity contain
tongue
teeth
salivary glands
acids
british scientist have developed the first 100 percent ultra sound toothbrush called
why is small intestine called small
Which of the following is a nutrient?
Protein
Fat
Vitamin
all of the above
Human beings can be categorised as
heterotrophs
autotrophs
parasites
saprotrophs
The food making process in plants is called as
glycolysis
photosynthesis
photolysis
chemosynthesis
Which part of the plant is called its food factory ?
Fruits
Seeds
Leaves
Flowers
Tiny pores present on the surface of leaves through which gaseous exchange occurs are called
stomata
guard cells
food holes
gas holes
What is the ultimate source of energy for all living organisms?
Water energy
Wind energy
Solar energy
Chemical energy
During photosynthesis plants
take oxygen and release carbon dioxide
take carbon dioxide and release oxygen
take carbon dioxide but do not release oxygen
take oxygen but do not release carbon dioxide
Which one of the following is a parasite?
Lichen
Cuscuta
Pitcher plant
Rhizobium
Which of the following class of organisms belongs to saprotrophs?
Fungi
Algae
Lichens
Bryophytes
Which one of the following is a pair of symbiotic organisms?
Lichens
Rhizobium and a legume
None of these
Both (a) and (b)
