Bihar Board 12th Biology Objective Answers Chapter 13 Organisms and Populations

Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology Objective Answers Chapter 13 Organisms and Populations Question 1. Refer to the given flow chart. Identify X and select the correct option. (a) Communities (b) Biospheres (c) Biomes (d) Species Answer: (a) Communities Question 2. Basic unit of ecological hierarchy is (a) population … Read more

Bihar Board 12th Biology Objective Answers Chapter 12 Biotechnology and its Applications

Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology Objective Answers Chapter 12 Biotechnology and its Applications Question 1. All are the biotechnological applications in order to increase food production except (a) apiculture (b) agro-chemical based agriculture (c) organic farming (d) genetically engineered crop-based agriculture. Answer: (a) apiculture Question 2. Agro-chemical based … Read more

Bihar Board Class 11 English Grammar Analysis

Bihar Board Class 11th English Book Solutions Grammar Analysis Bihar Board Class 11 English Grammar Analysis Analysis का अर्थ होता है वाक्य के अंगों या अंशों को अलग-अलग कर उनकी जाँच करना। सविधा की दृष्टि से इस कार्य को हम तीन भागों में बाँट सकते हैं – (A) वाक्य के Clauses को अलग-अलग करना । … Read more

Bihar Board 12th Chemistry Objective Answers Chapter 10 Haloalkanes and Haloarenes

Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 10 Haloalkanes and Haloarenes Question 1. Which of the following is a primary halide ? (a) iso-Propyl iodide (b) sec-Butyl iodide (c) tert-Butyl bromide (d) neo-Hexyl chloride Answer: (a) iso-Propyl iodide Question 2. Which of the following is not an … Read more

Bihar Board 12th Chemistry Objective Answers Chapter 9 Coordination Compounds

Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 9 Coordination Compounds Question 1. Copper sulphate dissolves in ammonia due to the formation of (a) Cu2O (b) [Cu(NH3)4]SO4 (c) [Cu(NH3)4]OH (d) [Cu(H2O)4]SO4 Answer: (b) [Cu(NH3)4]SO4 Question 2. The number of ions given by [Pt(NH3)6]Cl4 inaqueous solution will be (a) … Read more

Bihar Board 12th Hindi 50 Marks Model Question Paper 1

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Bihar Board Class 11 English Grammar Active and Passive Voice

Bihar Board Class 11th English Book Solutions Grammar Active and Passive Voice Bihar Board Class 11 English Grammar Active and Passive Voice (Use of Passive Voice) Active & Passive Voice & Quasi Passive निम्नलिखित वाक्यों को ध्यानपूर्वक पढ़िए और इसपर विचार कीजिए कि list A और list B के वाक्यों में क्या अन्तर है, विशेषकर … Read more

Bihar Board 12th Chemistry Objective Answers Chapter 8 The d-and f-Block Elements

Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 8 The d-and f-Block Elements Question 1. General electronic configuration of transition metals is (a) (n – 1)d 1–10 ns2 (b) nd10 ns2 (c) (n-1)d10 ns2 (d) (n- 1) d1-5 ns2 Answer: (a) (n – 1)d 1–10 ns2 Question 2. … Read more

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