MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Primary storage of food in animals is through _______ |
| A. | Fats |
| B. | Glucose |
| C. | Glycogen |
| D. | Galactose |
| Answer» B. Glucose | |
| 2. |
Which among the following is incorrect about polysaccharides? |
| A. | Cellulose can’t be digested by mammals unless they contain microbes that digest cellulose in their gut |
| B. | Polysaccharides mainly act as the food storage or structural materials |
| C. | Starch comprises of two forms, namely, amylose (water insoluble) and amylopectin (water soluble) |
| D. | Amylopectin has α-1, 4-linkage and 1, 6-glycosidic linkage |
| E. | and amylopectin (water soluble)d) Amylopectin has α-1, 4-linkage and 1, 6-glycosidic linkage |
| Answer» D. Amylopectin has α-1, 4-linkage and 1, 6-glycosidic linkage | |
| 3. |
Sucrose is also called as ____ |
| A. | Invert sugar |
| B. | Dextrose |
| C. | Laevose |
| D. | Milk sugar |
| Answer» B. Dextrose | |
| 4. |
Polysaccharides are formed by _______ |
| A. | Glycosidic linkages |
| B. | Peptide linkage |
| C. | Phospho-diester linkage |
| D. | Vanderwaal forces |
| Answer» B. Peptide linkage | |
| 5. |
Which among the following is incorrect about fructose and glucose? |
| A. | Fructose is also called as pyranose and it’s a ketose sugar |
| B. | Glucose and fructose can be obtained by hydrolysis of sucrose |
| C. | Both fructose and glucose have the same molecular formula |
| D. | Both of them taste sweet |
| Answer» B. Glucose and fructose can be obtained by hydrolysis of sucrose | |
| 6. |
Which among the following is incorrect about different saccharides? |
| A. | Polysaccharides are used to store food whereas most of the monosaccharides are used for instantaneous energy |
| B. | Most of the polysaccharides are sweet in taste and therefore are also called sugars |
| C. | Starch can be digested whereas cellulose can’t be digested |
| D. | Saccharides are also classified as ketose and aldose |
| Answer» C. Starch can be digested whereas cellulose can’t be digested | |
| 7. |
Carbohydrates are classified as monosaccharides, oligosaccharides and polysaccharides based on their behavior on hydrolysis. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Which among the following is incorrect about carbohydrates? |
| A. | Carbohydrates derive its name from the hydrates of carbon |
| B. | The general formula of all carbohydrates is Cx(H20)y |
| C. | Carbohydrates are defined as optically active polyhydroxy aldehydes or ketones or the compounds that produce such units on hydrolysis |
| D. | Glyceraldehyde is the smallest carbohydrate |
| Answer» C. Carbohydrates are defined as optically active polyhydroxy aldehydes or ketones or the compounds that produce such units on hydrolysis | |
| 9. |
Those metabolites that are formed during growth phase as a result of energy metabolism are called as ________ |
| A. | Primary metabolites |
| B. | Secondary metabolites |
| C. | Tertiary metabolites |
| D. | Quaternary metabolites |
| Answer» B. Secondary metabolites | |
| 10. |
Formation of complex substances from simpler compounds is called as _______ |
| A. | Anabolic pathway |
| B. | Catabolic pathway |
| C. | Degradation pathway |
| D. | Metabolic pathway |
| Answer» B. Catabolic pathway | |
| 11. |
Cell is made of macromolecules like proteins, carbohydrates, lipids, nucleic acids and water. |
| A. | True |
| B. | False |
| Answer» B. False | |