Life Processes Worksheet-21

Life Processes Worksheet-21


Fill in the blanks:

  1. The most important criterion to decide whether something is alive (or not) is the _____.


  1. Animals can move from one place to the other but plants are ______.


  1. Movements which are not directly seen with naked eyes are_____ movement.


  1. Sum of all biochemical reactions are known as _____ reactions.


  1. Reactions which results in breakdown of complex compounds into simpler ones are known as _____ reactions.


  1. Anabolic reactions are associated with ______ of ATP molecules.


  1. Growth is needed for the process of ______, ______ and _______.


  1. ______ means increase in size, mass and number of cells.


  1. Reproduction is helps in ____ and ______ of life.


  1. The basic functions performed by living organisms to maintain their life on this earth are called _____.


  1. _____are the complex organizations of molecules which can perform various functions to sustain life.


  1. The process by which living organisms can synthesize or procure their food is known as ______.


  1. _____is the process which results in synthesis of complex substances from simpler ones.


  1. Plants also show movement by ______their roots and shoots bigger.


  1. ______do not show any molecular movement in them until they infect some cell.


  1. The energy released during respiration is stored as ____and is utilized to maintain the bodily functions.


  1. In a multicellular system, control and coordination of various functions is performed by _____and _____ system.


  1. Green plants are ______ in their mode of nutrition.


  1. _____is the anabolic process by which plants manufacture carbohydrates with the help of water, carbon dioxide in the presence of sunlight and chlorophyll.


  1. ______ discovered dark reaction of photosynthesis.


  1. Leaf has outermost epidermal layers which are covered with _____.


  1. ______ and _____ parenchyma are found between the epidermal layers of leaf.


  1. Palisade and spongy parenchyma together form ______ tissue.


  1. The green plastids which help to perform photosynthesis are called _______.


  1. ______ pigment found inside chloroplast absorb sunlight.



  1. Movement

  2. Stationary

  3. Molecular

  4. Metabolic

  5. Catabolic

  6. Breakdown

  7. repair, replacement, reproduction

  8. Growth

  9. maintenance, continuity

  10. life processes

  11. living things

  12. nutrition

  13. Anabolism

  14. Growing

  15. Viruses

  16. ATP

  17. nervous, hormonal system

  18. Autotrophic

  19. Photosynthesis

  20. Calvin

  21. Cuticle

  22. Palisade, Spongy

  23. Mesophyll

  24. Chloroplast

  25. Chlorophyll