Standard XI

Q. Training Q

1. A
2. B
3. C
4. D

Q. What do you understand by the term glycosidic linkage?

Q. What is the effect of denaturation on the structure of proteins?

Q. What are the hydrolysis products of lactose?

Q. What is the difference between a nucleoside and a nucleotide?

Q. Write the important structural and functional differences between DNA and RNA.

Q. How do you explain the amphoteric behaviour of amino acids?

Q. Write two main functions of carbohydrates in plants.

Q. $\text{Given equation:}300y=500x+1900$ $\text{where 'x' = time (hours)}\text{and 'y' = Intensity (in cd)}$

For plotting the graph of the equation, fill the table with the correct value of $p$ and $q$ obtained from the graph.

1. $p=8andq=5$
2. $p=8andq=13$
3. $p=-8andq=-5$
4. $p=3andq=8$

Q. A teacher earns $₹900$ weekly and get as $₹45$ extra for every extra hour (x) of teaching. The correct equation representing the total income (y) of the teacher is _____.

1. $y=900x+45$
2. $y=945x+45$
3. $y=45x+945$
4. $y=900+45x$