2GSSS BATALA (GIRLS) (Gurdaspur) Represented by:- Class:- 9th Nidhi Sharma Subject = English English mistress
3Well known facts1. Plants have life. 2. Plants are living organisms.
4A dramatic discovery about plants Plants have hearts and can feel.2 They have sight and sense.
5Invention of Crescograph Crescograph is a wonderful instrument invented by Jagdish Chandra Bose.It measures the growth of plants.
6Life of J.C.Bose–the inventor Birth - Bose was born in 1858 in a village in West Bengal. Education - Bose studied physics in Calcutta University. Then he went to England and graduated in physics from Cambridge.
7DesignationHe worked as a professor of physics in Presidency College in Calcutta.
8Bose,a rebelJagdish Chandra Bose was a rebel by nature. He could not bear that Indians usually got two-thirds of the salary of European professors. He demanded same pay for the same work.
9His protestBose protested against the disparity between the salary of Indians and that of Europeans. In this struggle Bose was victorious.
10Features of Crescograph It is a unique instrument.It records the reaction of plants to stimuli.It magnifies the movement of plants.It records the growth of plants.
11What does a crescograph prove? It proves that-plants have heart.plants have keen sight.plants react to the rays of light.
12Bose’s contributionBose brought a great fame to India by inventing crescograph.He found similarity in the behaviour of lifeless and living things.
13His love for his country Bose felt proud in the glory of India’s past.He had deep faith in the intelligence of the Indians.
15Word Meaning Organisms =living beings Rebel = one who opposes a law Disparity = differenceUnique = matchlessMagnifies = enlargesStimuli = things that cause reactionKeen = strong,deepGlory = name or fame
16Match the opposites column A 1. happy 2. unique 3. disparity 4.victoriousANSWERS-1.c) 2.a) 3.d) 4.b)column Ba) commonb) defeatedc) sadd) similarity
17Question Which instrument was invented by J.C.Bose ? When was J.C.Bose born ?What could the instrument measure ?In what did Bose had deep faith ?What do the plants react to ?
18Answers Crescograph In 1858 Growth of plants In the glorry of India’s past and in the intelligence of IndiansTo the rays of light
19BIBLOIGRAPHY Text Book of English of 9th class . www.images.com