A dehydration reaction links two glucose molecules to produce maltose. If the molecular formula for glucose is C6H12O6 then what is the formula for maltose ?
1. C12H24O11
2. C12H20O10
3. C12H24O12
4. C12H22O11
1. C12H24O11
2. C12H20O10
3. C12H24O12
4. C12H22O11
Subtopic: Carbohydrates: Glycosidic Bond & Disaccharide |
72%
Level 2: 60%+
NEET - 2022
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Regarding Meiosis, which of the statement is incorrect ?
| 1. | Four haploid cells are formed at the end of Meiosis-II. |
| 2. | There are two stages in Meiosis, Meiosis-I and II. |
| 3. | DNA replication occurs in S phase of Meiosis-II. |
| 4. | Pairing of homologous chromosomes and recombination occurs in Meiosis-I. |
Subtopic: Cell Cycle: Meiosis I | Cell Cycle: Meiosis II |
85%
Level 1: 80%+
NEET - 2022
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Natural selection where more individuals acquire specific character value other than the mean character value, leads to :
1. Random change
2. Stabilising change
3. Directional change
4. Disruptive change
1. Random change
2. Stabilising change
3. Directional change
4. Disruptive change
Subtopic: Natural Selection |
71%
Level 2: 60%+
NEET - 2022
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In gene therapy of Adenosine Deaminase (ADA) deficiency, the patient requires periodic infusion of genetically engineered lymphocytes because:
| 1. | Genetically engineered lymphocytes are not immortal cells. |
| 2. | Retroviral vector is introduced into these lymphocytes. |
| 3. | Gene isolated from marrow cells producing ADA is introduced into cells at embryonic stages |
| 4. | Lymphocytes from patient's blood are grown in culture, outside the body. |
Subtopic: Gene Therapy |
75%
Level 2: 60%+
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If '8' Drosophila in a laboratory population of '80' died during a week, the death rate in the population is ___________ individuals per Drosophila per week.
| 1. | zero | 2. | 0.1 |
| 3. | 10 | 4. | 1.0 |
Subtopic: Population Attributes |
81%
Level 1: 80%+
NEET - 2022
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In the taxonomic categories, which hierarchical arrangement in ascending order is correct in the case of animals?
| 1. | Kingdom, Order, Phylum, Class, Family, Genus, Species |
| 2. | Kingdom, Phylum, Class, Order, Family, Genus, Species |
| 3. | Kingdom, Class, Phylum, Family, Order, Genus, Species |
| 4. | Kingdom, Order, Class, Phylum, Family, Genus, Species |
Subtopic: Taxonomy 2: Classification up to Genus | Taxonomy 3: From Family to Classification of Some Organisms |
94%
Level 1: 80%+
NEET - 2022
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Give below are two statements:
In the light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
| Statement I: | Restriction endonucleases recognise specific sequence to cut DNA known as palindromic nucleotide sequence. |
| Statement II: | Restriction endonucleases cut the DNA strand a little away from the centre of the Palindromic site. |
In the light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
Subtopic: Restriction Enzymes - Main Enzymes |
86%
Level 1: 80%+
NEET - 2022
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Breeding crops, with higher levels of vitamins and minerals or higher proteins and healthier fats, is called:
1. Bio-accumulation
2. Bio-magnification
3. Bio-remediation
4. Bio-fortification
1. Bio-accumulation
2. Bio-magnification
3. Bio-remediation
4. Bio-fortification
Subtopic: Miscellaneous |
81%
Level 1: 80%+
NEET - 2022
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Identify the microorganism which is responsible for the production of an immunosuppressive molecule cyclosporin A:
1. Streptococcus cerevisiae
2. Trichoderma polysporum
3. Clostridium butylicum
4. Aspergillus niger
1. Streptococcus cerevisiae
2. Trichoderma polysporum
3. Clostridium butylicum
4. Aspergillus niger
Subtopic: Industrial Products, Beverages & Antibiotics |
92%
Level 1: 80%+
NEET - 2022
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Which of the following is a correct match for disease and its symptoms?
| 1. | Muscular dystrophy | An auto immune disorder causing progressive degeneration of skeletal muscle |
| 2. | Arthritis | Inflamed joints |
| 3. | Tetany | high Ca2+ level causing rapid spasms. |
| 4. | Myasthenia gravis | Genetic disorder resulting in weakening and paralysis of skeletal muscle |
Subtopic: Disorders of Muscular and Skeletal System |
72%
Level 2: 60%+
NEET - 2022
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