Chapter 1: Nutrition in Plants (Worksheet)
CBSE Class 7 - Science
Fill in the Blanks
1. The components of food which are necessary for our body are called _______________.
2. The process of utilization of food by a living organism to obtain energy is called _____________.
3. Green plants synthesise their own food themselves by the process of __________________.
4. Green plants are _________ that is, they make their own food from simpler substances.
5. Organisms that are dependent on others for their nutrition are called ______________________.
6. Green pigment present in leaves of plants is called ____________, it helps in photosynthesis.
7. _________________ are the tiny pores present on the surface of the leaves and are surrounded by guard cells.
8. ___________________ gas is produced during photosynthesis.
9. _______ are the building blocks of an organism.
10. During photosynthesis__________energy is captured by the leaves and stored as food.
11. _________ is said to be the ultimate source of energy.
12. Some organisms live together and share shelter and nutrients, this is called _____________________.
13. A spherical structure located at the centre of the cell called a ________ .
14. The _______ is a type of organelle that contains chlorophyll, which carries photosynthesis process.
15. A jelly-like substance that surrounds a nucleus called the _________.
Answer:
1: Nutrients.
2: Nutrition
3: photosynthesis
4: autotrophs
5: heterotrophs
6: chlorophyll
7: Stomata
8: Oxygen
9: Cells
10: solar
11: Sun
12: Symbiosis
13: nucleus
14: chloroplast
15: cytoplasm
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