Why CNG is considered better fuel than diesel?
Choose the most appropriate answer from the options given below
| (a) | It cannot be adulterated |
| (b) | It takes less time to fill the fuel tank |
| (c) | It burns more efficiently |
| (d) | It is cheaper |
| (e) | It is less inflammable. |
Choose the most appropriate answer from the options given below
| 1. | (a), (b), (c), (e) only | 2. | (a), (c), (d) only |
| 3. | (a), (b), (d), (e) only | 4. | (c), (d), (e) only |
Subtopic: Air Pollution |
79%
Level 2: 60%+
NEET - 2022
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Identify the region of human brain which has pneumotaxic centre that alters respiratory rate by reducing the duration of inspiration.
| 1. | Medulla | 2. | Pons |
| 3. | Thalamus | 4. | Cerebrum |
Subtopic: Respiratory System: Regulation of Respiration |
86%
Level 1: 80%+
NEET - 2022
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Which of the following animals has three chambered heart?
| 1. | Scoliodon | 2. | Hippocampus |
| 3. | Chelone | 4. | Pteropus |
Subtopic: Study of Reptilia |
85%
Level 1: 80%+
NEET - 2022
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Role of enamel is to :
1. Connect crown of tooth with its root.
2. Masticate the food.
3. Form bolus.
4. Give basic shape to the teeth
1. Connect crown of tooth with its root.
2. Masticate the food.
3. Form bolus.
4. Give basic shape to the teeth
Subtopic: Alimentary Canal: Oral Cavity & Teeth |
71%
Level 2: 60%+
NEET - 2022
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Choose the correct statements :
Choose the most appropriate answer from the options given below :
| (a) | Bones support and protect softer tissues and organs |
| (b) | Weight bearing function is served by limb bones |
| (c) | Ligament is the site of production of blood cells. |
| (d) | Adipose tissue is specialised to store fats. |
| (e) | Tendons attach one bone to another. |
Choose the most appropriate answer from the options given below :
| 1. | (a), (b) and (d) only | 2. | (b), (c) and (e) only |
| 3. | (a), (c) and (d) only | 4. | (a), (b) and (e) only |
Subtopic: Connective Tissue |
87%
Level 1: 80%+
NEET - 2022
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Which of the following are true about the taxonomical aid 'key' ?
Choose the most appropriate answer from the options given below :
| (a) | Keys are based on the similarities and dissimilarities. |
| (b) | Key is analytical in nature. |
| (c) | Keys are based on the contrasting characters in pair called couplet. |
| (d) | Same key can be used for all taxonomic categories. |
| (e) | Each statement in the key is called Lead. |
Choose the most appropriate answer from the options given below :
| 1. | (a), (b) and (c) only | 2. | (b), (c) and (d) only |
| 3. | (a), (b), (c) and (e) only | 4. | (a), (c), (d) and (e) only |
88%
Level 1: 80%+
NEET - 2022
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IUDs are small objects made up of plastic or copper that are inserted in the uterine cavity. Which of the following statements are correct about IUDs ?
Choose the most appropriate answer from the options given below :
| (a) | IUDs decrease phagocytosis of sperm within the uterus. |
| (b) | The released copper ions suppress the sperm motility. |
| (c) | IUDs do not make the cervix hostile to the sperm. |
| (d) | IUDs suppress the fertilization capacity of sperm. |
| (e) | The IUDs require surgical intervention for their insertion in the uterine cavity. |
Choose the most appropriate answer from the options given below :
| 1. | (a), (d) and (e) only | 2. | (b) and (c) only |
| 3. | (b) and (d) only | 4. | (d) only |
Subtopic: Contraception: Barrier Methods & IUDs |
78%
Level 2: 60%+
NEET - 2022
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Refer to the following statements for agarose-gel electrophoresis :
Choose the most appropriate answer from the options given below :
| (a) | Agarose is a natural polymer obtained from sea-weed. |
| (b) | The separation of DNA molecules in agarose-gel electrophoresis depends on the size of DNA. |
| (c) | The DNA migrates from negatively-charged electrode to the positively-charged electrode |
| (d) | The DNA migrates from positively-charged electrode to the negatively-charged electrode. |
Choose the most appropriate answer from the options given below :
| 1. | (a) and (b) only | 2. | (a), (b) and (c) only |
| 3. | (a), (b) and (d) only | 4. | (b), (c) and (d) only |
Subtopic: Separation and Isolation of DNA fragments |
80%
Level 1: 80%+
NEET - 2022
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Match List-I with List-II
Choose the correct answer from the options given below :
| List-I | List-II |
| (a) Multipolar neuron | (i) Somatic neural system |
| (b) Bipolar neuron | (ii) Cerebral cortex |
| (c) Myelinated nerve fibre | (iii) Retina of Eye |
| (d) Unmyelinated nerve fibre | (iv) Spinal nerves |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (i) | (iv) | (ii) |
| 2. | (ii) | (iv) | (iii) | (i) |
| 3. | (ii) | (iii) | (i) | (iv) |
| 4. | (ii) | (iii) | (iv) | (i) |
Subtopic: Nervous System |
72%
Level 2: 60%+
NEET - 2022
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Excretion in cockroach is performed by all, EXCEPT :
| 1. | Urecose glands | 2. | Malpighian tubules |
| 3. | Fat body | 4. | Hepatic caeca |
Subtopic: Cockroach: Excretory System |
76%
Level 2: 60%+
NEET - 2022
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