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Mr.Rohan while helping the students of Class IV in adding and subtracting fractions observed that several students are not able to complete the addition of two improper fractions. He gave a small test with questions from the addition of proper fractions (one item of addition of two similar fractions, three items from the addition of proper and improper fractions, and four items from the addition of improper fractions). He analyzed the responses of each student and found that nearly 45% of students were not clear in adding proper with improper fractions which were affecting their performance in adding two improper fractions. He, therefore, focused on developing the understanding of improper fractions and their addition with proper fractions after which he proceeded to teach the addition of two improper fractions. Which kind of assessment is depicted by this situation?
Which one of the following is not correct about English bond? a) Bricks in one layer are laid on header bond and courses above and below are stretcher bond b) Bricks in one layer are laid on stretcher bond and courses above and below are header bond c) Every layer of bricks is laid on header and stretcher bond d) Bricks layer aligned such that vertical joint is continuous
Consider the growth of a microorganism in batch culture. When the substrate concentration is high, the cell density doubles every 0.75 h, the observed substrate yield coefficient is 0.3 g DCW/g, and substrate consumption is allocated towards biosynthesis (60%), maintenance (10%), as well as product formation (30%). The product formation is strictly growth-associated. The batch reactor is inoculated with 0.01 g DCW/L and 10 g/L substrate. Estimate the maximum cell density (after lag phase).
Which of the following is/are not a function(s) of enzymes? 1. to hold the substrate for a chemical reaction. 2. to provide functional groups that will attack the substrate and carry out a chemical reaction. 3. Enzymes help in the DNA Replication process by unwinding the DNA coils and copying the information. Select the correct answer using the code given below.
A given substrate may be acted upon by a number of different enzymes, each of which uses the same substrate (s) and produces the same product (s). The individual members of a set of enzymes sharing such characteristics are known as-
Which of the following statements regarding an atom are correct? 1) If two atoms with similar ionization potential form a bond, then this bond will most probably be either covalent or metallic. 2) When atoms with different ionization potentials form a bond, the bond will be mainly ionic. 3) If the atom or molecule already has its outer shells completely full, then the bonding between the atoms or molecules will be a secondary bond when it solidifies.
Consider the following statements.  I. Pi-Bond is stronger than the Sigma Bond.  II. Sigma Bond is formed by linear overlapping of atomic orbitals.  III. In the case of Pi-Bond, the extent of overlapping of atomic orbitals is more as compared to the Sigma Bond.  Which among the above is/are NOT correct?
Consider the following statements regarding Save Water Day. 1. On 12 July, the West Bengal government observed Save Water Day across the state to spread the message of water conservation. 2. This was the first-ever Save Water Day observed across West Bengal to spread the message of water conservation. 3. West Bengal has a water conservation programme called 'Jal Dharo Jal Bharo' to prevent floods and provide water during the period of scarcity. 4. The Government of India has set a target to provide 35 lakh households in West Bengal with tap water supply by March 2021. Which of the statements given above is/are correct?
Given below are three quantities named A, B and C. Based on the given information, determine the relation among the three quantities. Quantity A∶  A 30 litre mixture of wine and water has wine and water in the ratio 5∶ 7. How much water must be drawn off so that the ratio of wine and water becomes 25∶ 19? Quantity B∶ A 35 litre mixture of wine and water has wine and water in the ratio 1∶ 3. How much water must be drawn off so that the ratio of wine and water becomes 1.75∶ 3.35? Quantity C∶ A 27 litre mixture of wine and water has wine and water in the ratio 3∶ 2. How much water must be drawn off so that the ratio of wine and water becomes 81∶ 11?
Which of the following enzymes catalyze the ADP-ribosylation of key cellular enzymes or proteins?