NCERT Class 11 Biology Notes : 1.The Living...The Unit of Life 9. Bio molecules 10. Cell Cy...t in Plants 12. Mineral Nutrition 13. Photosy...

1. Production of Sound Sound is...e represented as follows:1632">- ٧ for...echo must be at least 0.1...d in 0.I s = 344 m/s x 0.1 s = 34.4...ce sounds of frequencies 1 kHz and 3...PROPERTIES Frequency 1632">- Waveleng...

WORK AND ENERGY 1.Work Done By A C...( cos 0o = 1) &bull...est Yourself: 1.Calculate...te Work when F = 16="45129 561352">-10 N and x...his is not an all16="45129 561352">-inclusive...Test Yourself 1. How much...e by external non16="45129 561352">-conservati...att hour (kW h) 1 kW h is t...

1 Motion (Uniform M...article is a point<54161 class="41963 651982">-161>like objec...The trip took you 15 min (.25...l; The sign (+ or <54161 class="41963 651982">-161>) of indic...est Yourself : 1...g in straight line<54161 class="41963 651982">-161> &bul...Test Yourself: 1. What rem...s with speed 49 ms<54161 class="41963 651982">-161>1. How lon...

1. Each organism ...of evolution in 1859 in his...NCERT Book Page<16883 10503="search-highlight 670132">-16883>84) 9.&nb...;These are multi<16883 10503="search-highlight 670132">-16883>cellular&n...Association) . 1...tural and hetero<16883 10503="search-highlight 670132">-16883>tropic....Chordates 1. Por...e classes. 1. Pisces:&...s. They are cold<16883 10503="search-highlight 670132">-16883>blooded an...

1. All the living organi...er to Fig. 5.1: Compound...ERT Book Page17="26410 718892">-57) 5....;from the pre17="26410 718892">-existing c...ction. 59 10. A singl...f the cell. 17="26410 718892">-...13. The cel...ERT Book Page17="26410 718892">-62)...vacuoles. 19. En...ERT Book Page17="26410 718892">-63&64)...Q.1 What is A...

Contribution to the...together 1. Dalton&r...electrons in 1897. &b...y charged sub1012">-atomic, pa...ns (p). Q.1 What was...Most of the a1012">-particles...charge. Q.1 Who disco...s (e) Eg :1012">- Hydrogen...which are C1012">-12 , C1012">-13 a...of water. 1. Which of...with some non1012">-volatile i...

1.Laws of Chemical Combination...ning elements . Q.1 Why chemi...t Antoine Lavoisier (1...  Q.1 Give one...mic ion. eg: NH4+ 12">- Ammonium Ion ; CO3212">- Carbonate...are atoms in exactly 12.00 grams...

1. Pure Substance & mixtu...&Mixture Q.1 Is air ar...Q.1 Give one...ple methods like :<23016 class="76410 482132">-16>...techniques like: <23016 class="76410 482132">-16> i) Eva...s from sand. Q.1 Name the...sts of two phases:<23016 class="76410 482132">-16> (i) Di...  Q.1 Classify...

...d gas Bose<27321 16541="47241 466182">-1>Einstein condens...ked with the Bose<27321 16541="47241 466182">-1>Einstein c...or their work in 1995. &bul...ids   1. Solids h...nt of ice is 273.16 K. &bul...ions For Class 9 <27321 16541="47241 466181">Chapter1> 1 S...n from a cup? Q.16 What is...ss containing ice<27321 16541="47241 466182">-1>cold water...