Biomolecules

Consider the following reactions. Total number of electrons in the π bonds and lone pair of electrons in the product (X) is : [figure]

1. 12
2. 16
3. 14
4. 18

Identify the correct statements. Choose the correct answer from the options given below :

1. A and B Only
2. B and C Only
3. A, B and D Only
4. A, B and E Only

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :

1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true

A D-aldotetrose on oxidation with concentrated HNO3 resulted in optically inactive dicarboxylic acid. The structure of the D-aldotetrose is:

1. [figure]
2. [figure]
3. [figure]
4. [figure]

From the given following (A to D) cyclic structures, those which will not react with Tollens' reagent are: [figure]

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

Which of the following is the correct structure of L-Fructose?

1. [figure]
2. [figure]
3. [figure]
4. [figure]

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below

1. Statement I is true but Statement II is false
2. Both Statement I and Statement II are true
3. Statement I is false but Statement II is true
4. Both Statement I and Statement II are false

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below

1. Statement I is true but Statement II is false
2. Statement I is false but Statement II is true
3. Both Statement I and Statement II are true
4. Both Statement I and Statement II are false

Identify the number of structure/s from the following which can be correlated to D-glyceraldehyde. [figure]

1. three
2. two
3. one
4. four

The incorrect statement about Glucose is :

1. Glucose remains in multiple isomeric form in its aqueous solution
2. Glucose is soluble in water because of having aldehyde functional group
3. Glucose is an aldohexose
4. Glucose is one of the monomer unit in sucrose

[figure] The incorrect statement regarding the given structure is

1. can be oxidized to a dicarboxylic acid with Br2 water
2. despite the presence of -CHO does not give Schiff's test
3. will coexist in equilibrium with 2 other cyclic structures
4. has 4 asymmetric carbon atoms

Which of the following is the correct structure of L-Glucose?

1. [figure]
2. [figure]
3. [figure]
4. [figure]