According to Allen’s Rule, mammals from colder climates have:

1. Shorter ears and longer limbs

2. Longer ears and shorter limbs

3. Longer ears and longer limbs

4. Shorter ears and shorter limbs

Subtopic:  Adaptations (OLD NCERT) |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Salt concentration (Salinity) of the sea measured in parts per thousand is:

1. 10-15

2. 30-70

3. 0-5

4. 30-35

Subtopic:  Response of Organisms to Abiotic Factors (OLD NCERT) |
 78%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Formation of tropical forests needs mean annual temperature and mean annual precipitation as:

1. 18 – 25 °C and 150 – 400 cm

2. 5 – 15 °C and 50 – 100 cm

3. 30 - 50°C and 100 – 150 cm

4. 5 – 15 °C and 100 – 200 cm

Subtopic:  Abiotic Factors: Light & Water (OLD NCERT) |
 78%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Which of the following forest plants controls the light conditions at the ground?

1. Lianas and climbers

2. Shrubs

3. Tall trees

4. Herbs

Subtopic:  Abiotic Factors: Light & Water (OLD NCERT) |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

What will happen to a well-growing herbaceous plant in the forest if it is transplanted outside the forest in a park?

1.  It will grow normally
2.  It will grow well because it is planted in the same locality
3.  It may not survive because of changes in its microclimate
4.  It grows very well because the plant gets more sunlight

Subtopic:  Response of Organisms to Abiotic Factors (OLD NCERT) | Adaptations (OLD NCERT) |
 67%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

If a population of 50 Paramoecium present in a pool increases to 150 after an hour, what would be the percent growth or birth rate per individual per hour?

1. 100 2. 200
3. 50 4. 150
Subtopic:  Population Characters: Density | Population: Exponential Growth Model |
 59%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

A population has more young individuals compared to older individuals. What would be the status of the population after some years?

1. It will decline

2. It will stabilize

3. It will increase

4. It will first decline and then stabilize

Subtopic:  Age Pyramid |
 83%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

What parameters are used for the tiger census in our country’s national parks and sanctuaries?

1. Pug marks only 2. Pugmarks and fecal pellets
3. Faecal pellets only 4. Actual headcounts
Subtopic:  Population Attributes |
 88%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following would necessarily decrease the density of a population in a given habitat?

1. Natality> mortality 2. Immigration >emigration
3. Mortality and emigration 4. Natality and immigration
Subtopic:  Population Characters: Density |
 89%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

A protozoan reproduces by binary fission. What will be the number of protozoans in its population after six generations?

1.1282.24
3.644.32

Subtopic:  Population: Exponential Growth Model |
 78%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch