Which of the following statements is correct?
| 1. | Algal Bloom decreases fish mortality. |
| 2. | Eutrophication refers to increase in domestic sewage and waste water in lakes. |
| 3. | Biomagnification refers to increase in concentration of the toxicant at successive trophic levels. |
| 4. | Presence of large amounts of nutrients in water restricts 'Algal Bloom'. |
Subtopic: Â Water Pollution |
 60%
Level 2: 60%+
NEET - 2023
Hints
Radial symmetry is not found in adults of phylum__________
| 1. | Echinodermata D | 2. | Ctenophora |
| 3. | Hemichordata | 4. | Coelenterata |
Subtopic: Â Phylum Hemichordata |
 62%
Level 2: 60%+
NEET - 2023
Hints
Which of the following statements are correct regarding skeletal muscle?
Choose the most appropriate answer from the options given below:
| A: | Muscle bundles are held together by collagenous connective tissue layer called fascicle. |
| B: | Sarcoplasmic reticulum of muscle fibre is a store house of calcium ions. |
| C: | Striated appearance of skeletal muscle fibre is due to distribution pattern of actin and myosin proteins. |
| D: | M line is considered as functional unit of contraction called sarcomere. |
| 1. | C and D only | 2. | A, B and C only |
| 3. | B and C only | 4. | A, C and D only |
Subtopic: Â Skeletal Muscle: Basic Anatomy |Â Skeletal Muscle: Myofilaments |Â Skeletal Muscle: Sarcomere |
 55%
Level 3: 35%-60%
NEET - 2023
Hints
Given below are two-statements:
In the light of the above statements, choose the most appropriate answer from the options given below:
| Statement I: | During G0 phase of cell cycle, the cell is metabolically inactive. |
| Statement II: | The centrosome undergoes duplication during S phase of interphase. |
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: Â Intro to Cell Cycle & Interphase |
 62%
Level 2: 60%+
NEET - 2023
Hints
Which one of the following is the sequence on corresponding coding strand, if the sequence on mRNA formed is as follows
5'AUCGAUCGAUCGAUCGAUCGAUCGAUCG 3'?
5'AUCGAUCGAUCGAUCGAUCGAUCGAUCG 3'?
| 1. | 3' ATCGATCGATCGATCGATCGATCGATCG 5' |
| 2. | 5' UAGCUAGCUAGCUAGCUAGCUAGCUAGC 3' |
| 3. | 3' UAGCUAGCUAGCUAGCUAGCUAGCUAGC 5' |
| 4. | 5' ATCGATCGATCGATCGATCGATCGATCG 3' |
Subtopic: Â Transcription: I |Â Transcription:II |Â Transcription: III |Â Transcription: IV |Â Transcription |
 51%
Level 3: 35%-60%
NEET - 2023
Hints
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