List of practice Questions

____________________ theory lies between minor working hypotheses and master conceptual schemes.
A sample of glucose isomerase enzyme converts 15 \(\mu\)moles of substrate glucose into fructose per min per mL under standard assay conditions. The enzyme activity in International Unit (IU) is ................ (in integer).
Choose the correct statement(s) about the enzyme and its application in food processing reaction.
Identify the Gram +ve bacteria responsible for causing food borne diseases among the followings.
Identify the correct statement(s) related to grain polysaccharides among the following.
Which among the following is NOT an essential amino acid?
The time required for stipulated destruction of a microbial population at a given temperature is
Which among the following statements is NOT correct?
Calculate the efficiency in percent (rounded off to 1 decimal place) of an oil expeller which yields 37 kg oil containing 5% solid impurities from 100 kg mustard seeds. The oil content of the mustard seed is 38%.
Orange juice stored under ambient conditions shows vitamin C degradation following first-order kinetics with degradation constant \(k = 5.2 \times 10^{-3} \ \text{day}^{-1}\). What is the half-life of vitamin C in days (integer)?
The weight of 10 kg dried cauliflower containing 5% moisture (wet basis) after rehydration is 60 kg. If the fresh cauliflower contained 87% moisture (wet basis), calculate the coefficient of rehydration (rounded off to 2 decimal places).
Some of the industrial products are produced by fermentation processes. Identify the correct pair of product and fermentative microorganism.
Among the following statements, which is/are TRUE regarding the replication of DNA?
Which of the following statements is/are TRUE for Colchicine?
Wild-type Drosophila females having three linked genes (AABBCC) were crossed with triple recessive mutant (aabbcc) males. The F1 females (AaBbCc) were backcrossed with aabbcc males. The following F2 progeny numbers were obtained (total = 1000). The gene order is ABC. Find the recombination map distance (in cM) between A and C (round to one decimal place). \begin{tabular}{l r} AaBbCc & 241
Aabbcc & 112
aaBbCc & 103
aabbcc & 252
aaBbcc & 17
aabbCc & 134
AabbCc & 14
AaBbcc & 127
\end{tabular}
Choose the correct group of fat soluble vitamins.
The synthesis of thyroxine T4 in the human body requires
In an experiment, excess amount of bicoid mRNA (more than wild-type expression level) was injected into the posterior pole of a wild-type Drosophila embryo at pre-blastodermal stage. Out of the following options, which one represents the best expected phenotype in the resulted developing embryo?
The presence of excess glucose has been known to prevent the induction of lac operon as well as other operons controlling enzymes involved in carbohydrate metabolism in E. coli. Which of the following processes define(s) the phenomenon?
Which of the following techniques is/are used for determining the three-dimensional structure of proteins?
Which one of the following describes the “innate behavior” of an animal?
Which one of the following represents a true “Ecological population”?
Which of the following animals show “Bottle cells” during the gastrulation stage of development?
The organisms that obtain energy from inorganic compounds are known as:
Which of the following is/are the causative agent(s) of Filariasis?