Biomacromolecules and Micromolecules

Q. Which of the following is a correct combination?

1. Acid soluble - Amino acids, lipids, sugars
   Acid insoluble - Proteins, nucleic acids, vitamins
2. Acid soluble - Amino acids, sugars, vitamins
   Acid insoluble - Proteins, nucleic acids, lipids
3. Acid soluble - Proteins, nucleic acids, lipids
   Acid insoluble - Amino acids, sugars, vitamins
4. Acid soluble - Proteins, nucleic acids, vitamins
   Acid insoluble - Amino acids, lipids, sugars

Q.

What are the 4 main macromolecules and their functions?

Q.

The chemical name of vitamin C is

1. Acetic acid

2. Ascorbic acid

3. Oxalic acid

4. Citric acid

Q.

What are the 4 major biomolecules and their building blocks?

Q.

How does osmosis work in the human body?

Q.

The most abundant chemical in living organisms could be

(a) protein (b) water (c) sugar (d) nucleic acid

Q.

Why are peptides important?

Q. Which of the following is true about compounds present in the acid-insoluble pool?

1. They have a molecular weight more than 1000 daltons
2. They are called macromolecules
3. Lipid molecules weigh less than 1000 Daltons but still belong to the acid-insoluble pool
4. All of the above

Q.

The acid-soluble pool represents roughly the cytoplasmic composition which of the following nutrient is most likely absent in it?

1. Lecithin

2. Calcium ions

3. Adenosin

4. Glucose

Q.

What is the molecular weight of micromolecules?

Q.

What is the structure and function of biomolecules?

Q.

When we homogenise any tissue in an acid, the acid soluble pool represents

(a) cytoplasm (b) cell membrane

(c) nucleus (d) mitochondria

Q.

D-glucose and D-galactose are C4 epimers.

1. True
2. False

Q. Read the items listed below:-
Collagen, RuBisCO, Chitin, lnulin, Cellulose, Glycogen
How many of them is/are structural homopolymer(s)?

1. One
2. Three
3. Two
4. Four

Q. Living organisms have also got inorganic elements and compounds in them. How do we know this?

Q.

Is plastoquinone a mobile carrier?

Q. Assertion: In C3 cycle, the first stable compound is 3C compound
Reason: In C4 plants, Calvin cycle is absent

1. Both assertion and reason are true and reason is the correct explanation of assertion
2. Both assertion and reason are true but reason is not the correct explanation of assertion
3. Assertion is true but reason is false
4. Both assertion and reason are false

Q.

What are macromolecules? Give examples.

Q.

Second most abundant component inside the cell is

1. Nucleic acids

2. Water

3. Proteins

4. Carbohydrates

Q. Which of the following shows coiled RNA strand and capsomers ?

1. 8% Poliovirus
2. 69% Tobacco mosaic virus
3. 8% Measles virus
4. 15% Retrovirus

Q. Which hormone is responsible for weak immune response in old person due to its decrease in production?

1. Adrenaline
2. Glucagon
3. Oxytocin
4. Thymosin

Q.

Histones are rich in

1. histidine

2. alanine and glycine

3. cysteine and tyrosine

4. lysine and arginine

Q.

Saline glucose is a solution of glucose and _________

Q. Which type of secondary metabolite is concanavalin A?

1. Pigment
2. Lectin
3. Alkaloid
4. Drug

Q.

Nitrogen forms the essential constituent of

1. Carbohydrates

2. Fats

3. Mineral Salts

4. Proteins

Q. Which one of the following is resistant to enzyme action

1. Pollen exine
2. Wood fibre
3. Cuticle
4. Cork

Q.

Name a few non-living cell inclusions.

Q. 25. Among p-methoxyaniline and p-methylaniline which one is more basic?? If we will take o-methoxyaniline and o-methylaniline then which one will be more basic

Q. What is oxidative phosphorylation?

Q. Agarose is a polymer composed of which of the following monomer(s)?

1. Mannose and lactose
2. Glucose and galactose
3. D-galactose and 3, 6-anhydro-L-galactopyranose
4. N-acetyl-D-glucosamine groups