Which of the following zones of a lake is habitat for snails, slugs and microorganisms?

1. Littoral

2. Limnetic

3. Benthic

4. Profundal

Subtopic:  Components & Types of Ecosystems |
 57%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Mr. X is eating curd/yoghurt. For this food intake in a food chain he should be considered

as occupying

1. first trophic level

2. second trophic level

3. third trophic level

4. fourth trophic level.

Subtopic:  Energy Flow |
 53%
AIIMS - 2003
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Given below is one of the types of ecological pyramids

 

This type represents

(1) pyramid of numbers in a forest

(2) pyramid of biomass in a fallow land

(3) pyramid of biomass in a lake

(4) energy pyramid in a spring.

Subtopic:  Ecological Pyramids |
 74%
AIIMS - 2005
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

In India, we find mangoes with different flavours, colours, fibre content, sugar content and even shelf-life. The large variation is on account of  

(1)  species diversity    

(2)  induced mutations    

(3)  genetic diversity    

(4)  hybridisation.

Subtopic:  Introduction & Types |
 72%
From NCERT
AIIMS - 2006
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

What is PAR range?

(1) 200 nm - 800 nm          

(2) 400 nm - 700 nm

(3) 350 nm - 550 nm         

(4) 600 nm - 100 nm

Subtopic:  Energy Flow |
 83%
AIIMS - 2007
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The bacteria which attack dead animals are 
(1) first link of the food chain and are known as primary producers.

(2) Second link of the food chain and are herbivorous

(3) third link of the food chain and are tertiary consumers

(4) the end of food chain and are decomposers.

Subtopic:  Decomposition |
 82%
AIIMS - 2008
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Which of the following has highest diversity in India?

(1) Mango

(2) Dolphin

(3) Tiger

(4) Orchids

Subtopic:  Introduction & Types |
 87%
AIIMS - 2010
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Animals take phosphorous from 
(1) water 

(2) plants

(3) rock 

(4) soil.

Subtopic:  Mineral Cycling & Ecosystem Services (OLD NCERT) |
From NCERT
AIIMS - 2010
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Most animals that live in deep oceanic waters are

(1) Tertiary consumers

(2) Detritivores

(3) Primary consumers

(4) Secondary consumers

Subtopic:  Decomposition |
 68%
AIIMS - 2016
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Keystone species deserve protection because these

(1) are capable of surviving in harsh environmental conditions

(2) indicate presence of certain minerals in the soil

(3) have become rare due to overexploitation

(4) play an important role in supporting other species.

Subtopic:  Ecological Succession (OLD NCERT) |
 74%
AIIMS - 2017
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints