Which one of the following products diffuses out chloroplast during photosynthesis?
| 1. | ADP | 2. | NADPH |
| 3. | \(O_2\) | 4. | ATP |
Subtopic: WHERE ARE THE ATP AND NADPH USED |
78%
Level 2: 60%+
NEET - 2024
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Recombinant DNA molecule can be created normally by cutting the vector DNA and source DNA respectively with:
| 1. | Hind II, Hind II | 2. | Hind II, Alu I |
| 3. | Hind II, EcoR I | 4. | Hind II, Bam HI |
Subtopic: Tools: Enzymes: I | Tools: Enzymes: II |
63%
Level 2: 60%+
NEET - 2024
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Which one of the following is not a limitation of ecological pyramids?
| 1. | Saprophytes are not given any place in ecological pyramids |
| 2. | It assumes a simple food chain that, almost, never exists in nature |
| 3. | It accommodates a food web |
| 4. | It does not take into account the same species belonging to two or more trophic levels |
Subtopic: Ecological Pyramids |
70%
Level 2: 60%+
NEET - 2024
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The Bt toxin in genetically engineered Bt cotton kills the pest by:
| 1. | creating pores in the midgut |
| 2. | damaging the respiratory system |
| 3. | degenerating the nervous system |
| 4. | altering the pH of body fluids |
Subtopic: Bt Crops |
93%
Level 1: 80%+
NEET - 2024
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Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I (Organisms) |
List-II (Mode of Nutrition) |
||
| A. | Euglenoid | I. | Parasitic |
| B. | Dinoflagellate | II. | Saprophytic |
| C. | Slime mould | III. | Photosynthetic |
| D. | Plasmodium | IV. | Switching between photosynthetic and heterotrophic mode |
| 1. | A-III, B-IV, C- II, D- I | 2. | A-IV, B-II, C- I, D- III |
| 3. | A-IV, B-III, C- II, D- I | 4. | A-IV, B-II, C- III, D- I |
Subtopic: Kingdom Protista: Dinoflagellates | Kingdom Protista: Euglenoids | Kingdom Protista: Slime Moulds | Protozoa |
79%
Level 2: 60%+
NEET - 2024
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Which of the following graphs depicts the effect of substrate concentration on velocity of enzyme catalysed reaction?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Factors Affecting Enzyme Catalysis Reaction |
84%
Level 1: 80%+
NEET - 2024
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When will the population density increase, under special conditions?
When the number of:
When the number of:
| 1. | deaths exceeds number of births and also number of emigrants equals number of immigrants |
| 2. | births plus number of immigrants equal number of deaths plus number of emigrants |
| 3. | birth plus number of emigrants is more than the number of deaths plus number of immigrants |
| 4. | birth plus number of immigrants is more than the sum of number of deaths and number of emigrants |
Subtopic: Population Characters: Density | Population Characters: Natality & Mortality | Population Characters: Age Structure & Migration |
84%
Level 1: 80%+
NEET - 2024
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When a tall pea plant with round seeds was selfed, it produced the progeny of:
(a) tall plants with round seeds and
(b) tall plants with wrinkled seeds
Identify the genotype of the parent plant:
1. TtRr
2. TtRR
3. TTRR
4. TTRr
(a) tall plants with round seeds and
(b) tall plants with wrinkled seeds
Identify the genotype of the parent plant:
1. TtRr
2. TtRR
3. TTRR
4. TTRr
Subtopic: Dihybrid Cross: General Consideration |
67%
Level 2: 60%+
NEET - 2024
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Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Biodiversity hotspot | I. | Khasi and Jantia hills in Meghalaya |
| B. | Sacred groves | II. | World Summit in Sustainable Development 2002 |
| C. | Johannesburg South Africa | III. | Parthenium |
| D. | Alien species invasion | IV. | Western Ghats |
| 1. | A-IV, B-I, C- II, D- III |
| 2. | A-II, B-III, C- IV, D- I |
| 3. | A-I, B-IV, C- III, D- I |
| 4. | A-III, B-I, C- II, D- IV |
Subtopic: Miscellaneous |
92%
Level 1: 80%+
NEET - 2024
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Observe the given figure. Identify the different stages labelled with alphabets by selecting the correct option:
| 1. | A-Carboxylation, B-Regeneration, C-Reduction |
| 2. | A-Reduction, B-Decarboxylation, C-Regeneration |
| 3. | A-Carboxylation, B-Reduction, C-Regeneration |
| 4. | A-Reduction, B-Carboxylation, C-Regeneration |
Subtopic: Dark Reaction : Calvin Cycle |
90%
Level 1: 80%+
NEET - 2024
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