Which of the following elements is present in very less quantity in the body?

(1) K             

(2) Ca

(3) Mg           

(4) Cu

In a normal adult, ascending order of concentration of following molecules is

(1) K>Na>Fe>Cu             

(2) Na>K>Cu>Fe

(3) Fe>Na>K>Cu             

(4) Na>Fe>K>Cu

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

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 elements is present in higher proportion [% weight of the total] in Earth's crust with respect to the average composition of a human body?

1. Carbon

2. Nitrogen

3. Sulfur

4. Magnesium

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 secondary metabolites is a polymeric substance?

1. Ricin

2. Monoterpenes

3. Curcumin

4. Rubber

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

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