Pathogenic bacteria gain resistance to antibiotics due to changes in their:
1. Cosmids
2. Plasmids
3. Nucleus
4. Nucleoid
1. Cosmids
2. Plasmids
3. Nucleus
4. Nucleoid
Subtopic: Cloning Vector |
86%
Level 1: 80%+
NEET - 2022
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Milk of transgenic 'Cow Rosie' was nutritionally more balanced product for human babies than natural cow milk because it contained:
| 1. | Human protein \(\alpha\) –1–antitrypsin. |
| 2. | Human alpha–lactalbumin. |
| 3. | Human insulin–like growth factor. |
| 4. | Human enzyme Adenosine Deaminase (ADA). |
Subtopic: Transgenic Microbes & Animals |
84%
Level 1: 80%+
NEET - 2022
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If the pH in lysosomes is increased to alkaline, what will be the outcome?
| 1. | Hydrolytic enzymes will function more efficiently |
| 2. | Hydrolytic enzymes will become inactive |
| 3. | Lysosomal enzymes will be released into the cytoplasm |
| 4. | Lysosomal enzymes will be more active |
Subtopic: Lysosomes |
81%
Level 1: 80%+
NEET - 2022
Hints
Choose the incorrect enzymatic reaction:
1. \( Maltose \stackrel{\text { Maltase }}{\longrightarrow} Glucose + Galactose \)
2. \( Sucrose \stackrel{\text { sucrease }}{\longrightarrow} Glucose + Fructose \)
3. \( Lactose \stackrel{\text { Lactase }}{\longrightarrow} Glucose + Galactose \)
4. \(Dipeptides \stackrel{\text { Dipeptidases }}{\longrightarrow}Amino ~acids\)
1. \( Maltose \stackrel{\text { Maltase }}{\longrightarrow} Glucose + Galactose \)
2. \( Sucrose \stackrel{\text { sucrease }}{\longrightarrow} Glucose + Fructose \)
3. \( Lactose \stackrel{\text { Lactase }}{\longrightarrow} Glucose + Galactose \)
4. \(Dipeptides \stackrel{\text { Dipeptidases }}{\longrightarrow}Amino ~acids\)
Subtopic: DIGESTION OF FOOD |
70%
Level 2: 60%+
NEET - 2022
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Which of the following reasons is mainly responsible for graft rejection in transplantation of organs?
| 1. | Inability of recipient to differentiate between 'self and 'non–self' tissues/cells |
| 2. | Humoral immune response only |
| 3. | Auto–immune response |
| 4. | Cell–mediated response |
Subtopic: Details of Immunity |
86%
Level 1: 80%+
NEET - 2022
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If DNA contained sulphur instead of phosphorus and proteins contained phosphorus instead of sulfur, what would have been the outcome of Hershey and Chase experiment?
| 1. | No radioactive sulfur in bacterial cells |
| 2. | Both radioactive sulfur and phosphorus in bacterial cells |
| 3. | Radioactive sulfur in bacterial cells |
| 4. | Radioactive phosphorus in bacterial cells |
Subtopic: Search for Genetic Material |
73%
Level 2: 60%+
NEET - 2022
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Two butterfly species are competing for the same nectar of a flower in a garden. To survive and coexist together, they may avoid competition in the same garden by:
1. feeding at the same time.
2. choosing different foraging patterns.
3. increasing time spent on attacking each other.
4. predating on each other.
1. feeding at the same time.
2. choosing different foraging patterns.
3. increasing time spent on attacking each other.
4. predating on each other.
Subtopic: Population Interactions: Competition |
90%
Level 1: 80%+
NEET - 2022
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Mad cow disease in cattle and Cr Jacob disease in humans are due to infection by__________________ .
| 1. | Bacterium | 2. | Virus |
| 3. | Viroid | 4. | Prion |
Subtopic: Virus, Viroids & Prions |
81%
Level 1: 80%+
NEET - 2022
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Which of the following is not an Intra Uterine Device?
| 1. | Progestogens | 2. | Multiload 375 |
| 3. | Lippes loop | 4. | Progestasert |
Subtopic: Contraception: Barrier Methods & IUDs |
82%
Level 1: 80%+
NEET - 2022
Hints
Match List-I with List-II
Choose the correct answer from the options given below:
| List-I | List-II |
| (a) Chlamydomonas | (i) Conidia |
| (b) Penicillium | (ii) Zoospores |
| (c) Hydra | (iii) Gemmules |
| (d) Sponge | (iv) Buds |
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (iv) | (iii) | (ii) |
| 2. | (ii) | (i) | (iv) | (iii) |
| 3. | (iii) | (ii) | (i) | (iv) |
| 4. | (iv) | (iii) | (ii) | (i) |
Subtopic: Asexual Reproduction |
90%
Level 1: 80%+
NEET - 2022
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