Showing posts with label for 11 and 12 science students. Show all posts
Showing posts with label for 11 and 12 science students. Show all posts

Sunday, 24 March 2019

Some simple concepts

❇️PLANT KINGDOM

♦️*Organ is the group of 
Ans : Tissues

♦️*Tissues present in plants are called 
Ans : Plant tissues

♦️*Types of permanent tissues in plants 
Ans : Parenchyma, Collenchyma, Sderenchyma,Xylem and Phloem  

♦️*Permanent tissues do not divide   
♦️*Tissue used to make the soft part of plants 
Ans : Parenchyma

♦️*The cell wall of parenchyma is made with 
Ans : Cellulose

♦️*Male reproductive structure of plants 
Ans : Stamens 

♦️*Female reproductive structure of plants 

Ans : Carpels

♦️*The tendency to grow the plants to the direction of gravitational force 
Ans : Geotropism

♦️*Tendency to grow the plants towards light 
Ans : Phototropism

♦️*Photosynthetic pigments in plants 
Ans : Chlorophyll

♦️*The rate of photosynthesis is low in 
Ans : Yellow light

♦️*The rate of photosynthesis is high in 
Ans : Red light

♦️*Flowering plants are commonly known as 
Ans : Angiosperm

♦️*Plant hormone which helps ripening of fruits
Ans : Ethylene

♦️*Only plant hormone exists in gaseous state 
Ans : Ethylene

♦️*Annual rings in plants are found inside the 
Ans : Stem

♦️*Scientist who discovered that plants have life
Ans : J.C.Bose

♦️*The cell thickening at the corners Agrimantra
Ans : Collenchyma

♦️*The wax like substance coated over the leaf
Ans : Cuticle

♦️*The milky juice that oozes out from the rubber
Ans : Latex

♦️*The gaseous exchange in plants takes place through 
Ans : Stomata

♦️*Plant that grows in desert
Ans : Xerophyte

♦️*Plant that grows in water
Ans : Hydrophyte

♦️*Plant that grows in Sunlight
Ans : Heliophyte

♦️*Plant that grows on rock
Ans : Lithophyte

♦️*Plant that grows in shade
Ans : Sciophyte

♦️*Plant that grows in acidic soil
Ans : Oxylophyte

♦️*Plant that grows in moderate water
Ans : Mesophyte

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