- 1(current)
Q. No.| A. | Cellulose and Starch can hold I2 due to formation of helical secondary structures |
| B. | Proteins transport nutrient across cell membrane and fight infectious organisms |
| C. | At high-temperature, enzymes get damaged while inorganic catalysts work efficiently |
| D. | In animal tissue, different drugs, pigments, essential oil, magnesium, O2 compounds are noticed |
| E. | DNA and RNA have three chemically distinct components - heterocyclic ring, pentose monosaccharide and phosphate |
1. D and E only
2. A and D only
3. A, B and D only
4. B, E and C only
Subtopic: The DNA | Proteins | Carbohydrates |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch column I with column II and select the correct option.
Column I Column II
a. Phosphate and hydroxyl group of (i) Peptide bond
sugar in a nucleotide
b. Polymer of amino acids (ii) Glycosidic bond
c. Polysaccharides (iii) Hydrogen bond
d. Adenine and thymine (iv) Ester bond
in a DNA
1. a(ii), b(iii), c(iv), d(i)
2. a(ii), b(iv), c(iii), d(i)
3. a(iv), b(i), c(ii), d(iii)
4. a(iv), b(i), c(iii), d(ii)
Column I Column II
a. Phosphate and hydroxyl group of (i) Peptide bond
sugar in a nucleotide
b. Polymer of amino acids (ii) Glycosidic bond
c. Polysaccharides (iii) Hydrogen bond
d. Adenine and thymine (iv) Ester bond
in a DNA
1. a(ii), b(iii), c(iv), d(i)
2. a(ii), b(iv), c(iii), d(i)
3. a(iv), b(i), c(ii), d(iii)
4. a(iv), b(i), c(iii), d(ii)
Subtopic: The DNA | Amino Acids | Zwitter ion & Peptide Bond | Carbohydrates: Glycosidic Bond & Disaccharide |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRead the following given statements with respect to nucleic acids.
How many of the above statements are incorrect?
1. One
2. Two
3. Three
4. Four
| (a) | DNA possesses ribose sugar in its structure. |
| (b) | Thymine bonds with cytosine through two hydrogen bonds. |
| (c) | The rise per base pair in B-DNA would be 3.4 Å. |
| (d) | The pitch of B-DNA would be 34 nm. |
How many of the above statements are incorrect?
1. One
2. Two
3. Three
4. Four
From NCERT
Subtopic: The DNA |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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