Which of the following is not a strict macromolecules?
(1)Carbohydrates
(2)Nucleic acids
(3)Proteins
(4)Lipids
Which of the following is not strictly a biomacromoles?
1. Proteins
2. Lipids
3. Polysaccharides
4. Nucleic acid
Which of the following element is present in negligible amount in human body?
1. Magnesium
2. Suphur
3. Silicon
4. Sodium
Which of the following secondary metabolites is a polymeric substance?
1. Ricin
2. Monoterpenes
3. Curcumin
4. Rubber
Which of the following is true?
1. All the elements present in a sample of earth’s crust are also present in a sample of living tissue
2. Carbon and Hydrogen are present in more amount in any living organism than earth’s crust.
3. Carbon and Hydrogen are present in more in living organisms than in non living matter.
4. All of the above
The six most common atoms in organic molecules are:
1. | Carbon, Hydrogen, Oxygen, Helium, Calcium and Sulphur |
2. | Carbon, Hydrogen, Oxygen, Calcium, Magnesium and Sulphur |
3. | Carbon, Oxygen, Nitrogen, Sulphur, Phosphorous and Magnesium |
4. | Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorous and Sulphur |
Which of the following elements is present in very less quantity in the body?
(1) K
(2) Ca
(3) Mg
(4) Cu
There cannot be a living state without :
1. Metabolism
2. Capability of reproduction
3. Self-consciousness
4. Presence of DNA in a cell
In a 50 gm living tissue, what would be the amount of water?
(1) 15-25 gm
(2) 25-30 gm
(3) 35-45 gm
(4) 70-90 gm
In an average composition of a cell, the maximum % of total cellular mass [after water and protein] is constituted by:
1. Carbohydrates
2. Lipid
3. Nucleic acids
4. Ions