Q. A cellulosic fabric has been treated with boric acid to impart flame retardancy. The wet expression is 100%. The molecular weight of boric acid is 62 and the atomic mass of boron is 11. Assume that no chemical reaction takes place between boric acid and the fibre. If 2.2 % boron has been added […]
Which of the following RNAs should be most abundant in animal cell? Option 1 : tRNAOption 2 : mRNAOption 3 : miRNAOption 4 : rRNA
Which of the following RNAs should be most abundant in animal cell? Read More »
International Day to Protect Education from Attack 2023: The United Nations General Assembly established the International Day to Protect Education from Attack on September 9 of each year. It was established in response to the growing number of attacks on schools and educational institutions around the world. These attacks can take a variety of forms,
International Day to Protect Education from Attack 2023 Read More »
Which one from those given below is the period for Mendel’s hybridization experiments? Option 1 : 1856–1863Option 2 :1870–1877Option 3 : 1857–1869Option 4 : 1840–1850
Which one from those given below is the period for Mendel’s hybridization experiments? Read More »
Q. A wool fabric is to be dyed with an acid dye to a shade of 4% on the weight of fabric (owf). The material to liquor ratio is 1:40 and the exhaustion is 100%. The concentration (gpl) of the dye in the initial dye bath is . Ans: 1-1
Which of the following best represents the enzyme composition of pancreatic juice? Option 1 : lipase, amylase, trypsinogen, procarboxypeptidaseOption 2 : amylase, pepsin, trypsinogen, maltaseOption 3 : peptidase, amylase, pepsin, renninOption 4 : amylase, peptidase, trypsinogen, rennin
Which of the following best represents the enzyme composition of pancreatic juice? Read More »
Which of the following options gives the correct sequence of events during mitosis? Option 1 : Condensation -Nuclear membrane disassemble -Arrangement at equator – Centromere division – Segregation – TelophaseOption 2 : Condensation – Crossing over – Nuclear membrane disassembly – Segregation – TelophaseOption 3 : Condensation – Arrangement at equator – Centromere division –
Which of the following options gives the correct sequence of events during mitosis? Read More »
Q. The 2.5% span length and uniformity ratio of a particular variety of cotton fibre are 30 mm and 45%, respectively. The 50% span length (mm) of the fibre (rounded off to 1 decimal place) is . Ans: 13.0-14.0
Q. If the moisture content of a fibre is 10%, its moisture regain (%) (rounded off to 2 decimal places) is . Ans: 11.00-11.20
The vascular cambium normally gives rise to Option 1 : Secondary xylemOption 2 : Primary phloemOption 3 : PeridermOption 4 : Phelloderm
