प्रतिदिन ख़बर
most previous year question chemistry class 12 lesson 1 solid state 1. number of Bravia lattice in cubic crystal is a. 3 b .1 c .4 d.14 ans .A 2. an octahedral void is a surrounded by which of the following numbers of a spheres a) 4 b) 6 c)8 d)12 ans.6 3. which of […]
most vvi objectives question for class 12th lesson 2 solution Q 1 The homogeneous mixture of two or more than two substance is called a) solute b) solvent c) solution d) none of these answer .c Q.2 Binary solution contain a) two substance b) three substance c) four substance d) none of these answer .a […]
Biology class 12th solved questions paper:: क्लास 12th क्वेश्चन पेपर सॉल्वड 1. What does operon model represent? (A) Gene synthesis (B) Gene expression (C) Gene regulation (D) Gene function Ans:::(C) Gene regulation 2. Thalamus is edible part in which of the following? (A) Annona (B) Apple (C) Orange (D) All of these Ans:: (B) Apple […]
Biology class 10th and 12th solved long answer 2024 21. What do you mean by biofertillizer? How do biofertilizers increase soil fertility? Ans:::Biofertilizers: Biofertilizers are organisms that increase the nutrients in the soil. The major sources of bio-fertilizers are bacteria, cyanobacteria and fungi. Soil benefits from organic fertilizers: There is always a shortage of organic […]