According to the sliding filament theory:
| 1. | Actin and myosin filaments slide over each other to increase the length of the sarcomere. |
| 2. | Length of A–band does not change. |
| 3. | I–band increases in length |
| 4. | The actin filaments slide away from A–band resulting in shortening of sarcomere |
Subtopic: Skeletal Muscle: Myofilaments | Sliding Filament Theory |
79%
Level 2: 60%+
NEET - 2022
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The amount of biomass or organic matter produced per unit area over a time period by plants during photosynthesis is called:
| 1. | Secondary production | 2. | Primary production |
| 3. | Gross primary production | 4. | Net primary production |
Subtopic: Ecosystem Productivity |
Level 3: 35%-60%
NEET - 2022
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Given below are two statements:
In the light of the above statements, choose the most appropriate answer from the options given below:
| Statement I : | Amino acids have a property of ionizable nature of –NH2 and –COOH groups, hence have different structures at different pH. |
| Statement II : | Amino acids can exist as Zwitterionic form at acidic and basic pH. |
In the light of the above statements, choose the most appropriate answer from the options given below:
| 1. | Both Statement I and Statement II are correct |
| 2. | Both Statement I and Statement II are Incorrect |
| 3. | Statement I is correct but Statement II is incorrect |
| 4. | Statement I is incorrect but Statement II is correct |
Subtopic: Amino Acids |
73%
Level 2: 60%+
NEET - 2022
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Which of the following types of epithelium is present in the bronchioles and Fallopian tubes?
| 1. | Simple squamous epithelium | 2. | Simple columnar epithelium |
| 3. | Ciliated epithelium | 4. | Stratified squamous epithelium |
Subtopic: Simple Epithelium |
88%
Level 1: 80%+
NEET - 2022
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Western Ghats have a large number of plants and animal species that are not found anywhere else. Which of the following term is used to notify such species?
| 1. | Threatened species | 2. | Keystone species |
| 3. | Endemic species | 4. | Vulnerable species |
Subtopic: In Situ Conservation of Biodiversity |
83%
Level 1: 80%+
NEET - 2022
Hints
Gout is a type of disorder which leads to:
| 1. | Inflammation of joints due to accumulation of uric acid crystals |
| 2. | Weakening of bones due to decreased bone mass |
| 3. | Inflammation of joints due to cartilage degeneration |
| 4. | Weakening of bones due to low calcium level |
Subtopic: Disorders of Muscular and Skeletal System |
91%
Level 1: 80%+
NEET - 2022
Hints
Panspermia, an idea that is still a favourite for some astronomers, means :
| 1. | Creation of life from dead and decaying matter |
| 2. | Creation of life from chemicals |
| 3. | Origin of sperm in human testes |
| 4. | Transfer of spores as unit of life from other planets of Earth |
Subtopic: Origin of Life |
87%
Level 1: 80%+
NEET - 2022
Hints
Which of the following statements are correct with respect to vital capacity?
Choose the most appropriate answer from the options given below:
| (a) | It includes ERV, TV and IRV |
| (b) | Total volume of air a person can inspire after a normal expiration |
| (c) | The maximum volume of air a person can breathe in after forced expiration |
| (d) | It includes ERV, RV and IRV. |
| (e) | The maximum volume of air a person can breathe out after a forced inspiration. |
Choose the most appropriate answer from the options given below:
| 1. | (b), (d) and (e) | 2. | (a), (c) and (d) |
| 3. | (a), (c) and (e) | 4. | (a) and (e) |
Subtopic: Respiratory System: Pulmonary Volumes & Capacities |
79%
Level 2: 60%+
NEET - 2022
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A unique vascular connection between the digestive tract and liver is called _______________.
| 1. | Hepato–pancreatic system | 2. | Hepatic portal system |
| 3. | Renal portal system | 4. | Hepato–cystic system |
Subtopic: Accessory Digestive Glands |
87%
Level 1: 80%+
NEET - 2022
Hints
Match List-I with List-II regarding the organs of cockroach:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (a) | Crop | (i) | grinding the food particles |
| (b) | Proventriculus | (ii) | secretion of digestive juice |
| (c) | Hepatic caecae | (iii) | removal of nitrogenous waste |
| (d) | Malpighian tubules | (iv) | storage of food |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (i) | (ii) | (iii) |
| 2. | (iii) | (ii) | (i) | (iv) |
| 3. | (ii) | (iv) | (i) | (iii) |
| 4. | (i) | (iv) | (iii) | (ii) |
Subtopic: Cockroach: Digestive System | Cockroach: Excretory System |
93%
Level 1: 80%+
NEET - 2022
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