Biomolecules · Chemistry · KCET
MCQ (Single Correct Answer)
Match List-I with List-II for the following reaction pattern
Glucose $\xrightarrow{\text { Reagent }}$ Product $\longrightarrow$ Structural prediction
| List - I (Reagents) | List-II (Structural prediction) |
| a. Acetic anhydride | i. Glucose has an aldehyde group |
| b. Bromine water | ii. Glucose has a straight chain of six carbon atoms |
| c. Hydroiodic acid | iii. Glucose has five hydroxyl group |
| d. Hydrogen cyanide | iv. Glucose has a carbonyl group |
The correct sequence of $\alpha$-amino acids, hormone, vitamin, carbohydrates respectively is
The type of linkage present between nucleotides is
$\alpha-D-(+)$-glucose and $\beta-D-(+)$-glucose are
The female sex hormone which is responsible for the development of secondary female characteristics and participates in the control of menstrual cycle is
Sucrose is dextrorotatory but after hydrolysis the mixture show laevorotation, this is because of
The correct order of match between column X and column Y is
| X | Y | ||
|---|---|---|---|
| I. | Vitamin A | i. | Muscular weakness |
| II. | Vitamin D | ii. | Increased blood clotting time |
| III. | Vitamin E | iii. | Night-blindness |
| IV. | Vitamin K | iv. | Osteomalacia |
Thyroxine produced in the thyroid gland is an iodinated derivative of
Receptors are proteins and crucial to body communication process. These receptors are embedded in
A nucleic acid, whether DNA or RNA gives on complete hydrolysis, two purine bases, two pyrimidine bases, a pentose sugar and phosphoric acid. Nucleotides which are intermediate products in the hydrolysis contain
RNA and DNA are chiral molecules, their chirality is due to the presence of
Primary structure in a nucleic acid contain 3 bases as GATGC ... The chain which is complementary to this chain is
Which one of the following vitamins is not stored in adipose tissue?
Hypothyroidism is caused by the deficiency of
$$\mathrm{C}_1-\mathrm{C}_4$$ glycosidic bond is not found in
The vitamin that helps in clotting of blood is
In nucleic acids, the nucleotides are joined together by
Which of the following is generally water insoluble?