Habitat and Adaptation Class 6 MCQ. We covered all the Habitat and Adaptation Class 6 MCQ in this post for free so that you can practice well for the exam.
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MCQ on Habitat and Adaptation for Class 6th Students
Which of the following changes occur in pond water during summer?
1. Decrease in oxygen content
2. Increase in oxygen content
3. Decrease in salt content
4. Increase in the number of diatoms
Option 1 – Decrease in oxygen content
Which of the following is a zooplankton?
1. Hydrilla
2. Nitella
3. Rotifers
4. Frogs
Option 3 – Rotifers
One of the following is a free floating plant.
1. Valisneria
2. Hydrilla
3. Spirogyra
4. Pistia
Option 4 – Pistia
Volvox and euglena constitute
1. Submerged vegetation
2. Free floating plants
3. Phytoplankton
4. Filamentous algae
Option 3 – Phytoplankton
Lakes and ponds constitute
1. Still water bodies
2. Flowing water bodies
3. Marine water bodies
4. None
Option 1 – Still water bodies
One of the following does not dry of freeze totally.
1. Ponds
2. Lakes
3. Streams
4. All
Option 2 – Lakes
To prevent water loss from the body fluids marine organisms store
1. Uric acid
2. Ammonia
3. Urea
4. Glucose In
Option 3 – Urea
In the deep layers of the sea, it is
1. Dark
2. Cold
3. Dark and cold
4. Dark and warm
Option 3 – Dark and cold
Weak skeleton is the characteristic feature in
1. Plankton
2. Nekton
3. Deep sea animals
4. None
Option 3 – Deep sea animals
Rapidly changing environmental conditions is the feature of
1. Oceanic region
2. Benthic region
3. Seashore
4. All
Option 3 – Seashore
Penetration of light is very weak in
1. Euphotic zone
2. Aphotic zone
3. Abyssal zone
4. None
Option 3 – Abyssal zone
This is the place where river joins the sea
1. Delta
2. Estuary
3. Bay
4. Slope
Option 2 – Estuary
Pressure in the sea increases by this for every 10 metres of depth.
1. 1 atmosphere
2. 15 atmospheres
3. 20 atmospheres
4. 25 atmospheres
Option 1 – 1 atmosphere
Which of the following represent a para biosphere?
1. Open sea
2. River
3. Forest
4. Polar ice caps
Option 4 – Polar ice caps
Which one of the following is a physical conponent in a terrestrial ecosystem?
1. Type of soil
2. Types of salts in soil
3. Total salt content in the soil
4. Total content of organic matter in the soil
Option 1 – Type of soil
Which one of the following acts as a primary as well as a secondary consumer in the forest ecosystem?
1. Rabbit
2. Deer
3. Lion
4. Man
Option 4 – Man
Trophic level in an ecosystem represents the
1. Water level
2. Energy level
3. Salt level
4. Oxygen level
Option 2 – Energy level
In a pond ecosystem, diatoms are
1. Decomposers
2. Primary producers
3. Primary consumers
4. Secondary consumers
Option 2 – Primary producers
Zooplankton comes under
1. Producers
2. Primary consumers
3. Secondary consumers
4. Tertiary consumers
Option 2 – Primary consumers
The pollutant present in coal mine exhaust is
1. Carbon monoxide
2. Carbon dioxide
3. Water vapour
4. Ash
Option 1 – Carbon monoxide
Trimethyl lead is formed by burning
1. Wood
2. Kerosene
3. Petrol
4. Coal
Option 3 – Petrol
Oceans act as sinks for
1. Carbon monoxide
2. Carbon dioxide
3. Nitrogen
4. Oxygen
Option 2 – Carbon dioxide
Catalytic converters are used in
1. Automobiles
2. Windmills
3. Poultry farms
4. Dairy farms
Option 1 – Automobiles
The gas used for killing bacteria in water is
1. Nitrogen
2. Carbon dioxide
3. Chlorine
4. Helium
Option 3 – Chlorine
We covered all the habitat and adaptation class 6 MCQ above in this post for free so that you can practice well for the exam.
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