ShreyaBihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology VVI Objective Questions Model Set 3 in Hindi प्रश्न 1. आर.एन.ए.आई. (RNAI) का प्रयोग रोगाणुओं को नियंत्रित करने हेतु किस पौधे में किया जाता है? (a) तम्बाकू (b) आम (c) आलू (d) पॉपी उत्तर: (a) तम्बाकू प्रश्न 2. क्राई IAb किसे नियंत्रित करता … Read more
Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology VVI Objective Questions Model Set 2 in Hindi प्रश्न 1. ‘कायिक प्रवर्धन’ (Vegetative propagation) शब्द का प्रयोग निम्न में से किसके लिए किया जाता है? (a) जन्तुओं में लैंगिक जनन (b) पौधों में लैंगिक जनन (c) जन्तुओं में अलैंगिक जनन (d) पौधों में … Read more
Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology VVI Objective Questions Model Set 1 in Hindi प्रश्न 1. एक स्वस्थ महिला के पूरे जीवन काल में उत्पन्न कुल अंडों की संख्या होती है : (a) 4000 (b) 400 (c) 40 (d) 365 उत्तर: (b) 400 प्रश्न 2. गर्भाशय में कॉपर-टी के … Read more
Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry VVI Objective Questions Model Set 3 in English Question 1. Alcohol is formed when one of the hydrogen of Alkane is replaced by (a) Hydroxyl group (b) Aldehyde group (c) Carboxylic group (d) Chloro group Answer: (a) Hydroxyl group Question 2. Group I … Read more
Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry VVI Objective Questions Model Set 2 in English Question 1. Nitrogen is used to fill electric bulbs because (a) it is lighter than air (b) it makes the bulb to glow (c) it does not support combustion (d) it is non-toxic Answer: (c) … Read more
Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry VVI Objective Questions Model Set 1 in English Question 1. A dilute aqueous solution of sodium fluoride is electrolysed; the products at the anode and cathode are (a) F2, Na (b) F2, H2 (c) O2, Na (d) O2, H2 Answer: (b) F2, H2 … Read more
Bihar Board 12th Physics Objective Questions and Answers Bihar Board 12th Physics VVI Objective Questions Model Set 3 in English Question 1. At constant potential difference, the resistance of any electric circuit is halved, the value of heat produced will be (a) half (b) double (c) four times (d) same Answer: (b) double Question 2. … Read more
Bihar Board 12th Physics Objective Questions and Answers Bihar Board 12th Physics VVI Objective Questions Model Set 2 in English Question 1. There are two types of electric charges positive charges and negative charges. The property which differentiates the two types of charges is (a) field of charge (b) amount of charge (c) strength of … Read more
Bihar Board 12th Physics Objective Questions and Answers Bihar Board 12th Physics VVI Objective Questions Model Set 1 in English Question 1. The electric Held at a point near an infinite thin sheet of charged conductor is: (a) ε0σ (b) (c) (d) Answer: (c) Question 2. Two capacitors C1 = 2µF and C2 = 4µF … Read more
Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology VVI Objective Questions Model Set 3 in English Question 1. Dryopithecus is more similar to (a) Ape (b) Gorilla (c) chimpanzee (d) Man Answer: (a) Ape Question 2. Opium is obtained from (a) Papaver somniferum (b) Erythroxylum coca (c) Cannabis Sativa (d) Atropa … Read more
Bihar Board 12th Biology Objective Questions and Answers Bihar Board 12th Biology VVI Objective Questions Model Set 2 in English Question 1. Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non-living matter? (a) Larvae could appear in decaying organic matter. (b) Microbes can appear on bread … Read more