Blog

Q.1 Which one of the following is a simple tissue system in plants? (A) Epidermis (B) Parenchyma (C) Phloem (D) Xylem​ Introduction In plant anatomy, exam questions often ask which […]

Q.59 The vector, shown in the figure, has promoter and RBS sequences in the 300 bp regionbetween the restriction sites for enzymes X and Y. There are no other sites […]

Q.58 A rare genetic disorder resulting from homozygosity for a recessive allele (r) occurs in 2out of every 10,000 individuals in a population. Assuming that (i) the disorder is notlethal, […]

Q.57 A cDNA was synthesized from the mRNA of a eukaryotic gene. After cloning andsequence analysis, the double–stranded cDNA of 614 bp revealed 125 bp 5′–UTR and 120bp 3′–UTR. The […]

Q.56 In a reaction A + B → C, the initial rate of formation of C at 25 °C was measured fordifferent initial concentrations of A and B as given. […]

Q.55 A buffer solution is composed of 0.1 M acetic acid and 0.15 M sodium acetate. The change in pH of 1 L buffer solution upon addition of 50 mL […]

Q.54 An insect weighing 5 g takes off vertically for a distance of 100 cm with a speed of 4 m s -1 by using its hind legs. Ignoring the […]

Q.53 Three particles A, B, C with masses of 100 g, 200 g, and 300 g, respectively, are placed at the vertices of an equilateral triangular structure with a side […]

Q.52 The number of 7 letter words (with or without meaning) starting with the letter B that can be formed using the letters of the word BIOLOGY is________________. (answer in […]