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1
Symbiosis is defined as _________________________ .
A relationship between animals and species and their habitat.
A relationship between two species in a community.
A relationship between two organisms of different species
None of these.
2
Consumers which consume herbs and other plants are called _____________________________ .
Herbivores
Carnivores
Omnivores
3
Mode of nutrition found in fungi is ___________________________.
Symbiotic
Parasitic
Saprophytic
4
The parasitic plant is one of the partially or completely depend on plant known as the __________________ .
Host
Roots
Tissue
5
_________________ is mostly used by farmers as manure.
Cow dung
Goat dung
Cattle dung
6
In a parasitic plant the prepared food is generally absorbed from the _____________ .
Leaf
Plant
Root
7
Chemical fertilizer are rich in particular nutrients like_______________ .
Nitrogen, phosphorus and potassium.
Sodium.phosphorous and potassium
Nitrogen ,potassium and sulphur
8
The examples of Symbiotic plants are _____________________.
Fungus
Algae
Both A and B
9
All animals fall in the category of ________________________
Heterotrophs
Autotrophs
Decomposers
Primary consumers
10
Which of the following are correct ?
(a) There are two types of nutrition in plant.which are autotrophic plant and hetrotrophic plant.
(b) Plants release carbon dioxide gas during photosynthesis and they utilize oxygen gas released by animal.
Only (a) is correct
Only (b) is correct.
Both (a) and (b) is correct.
11
(a) All heterotrophs depend on the other organism for their food and they are called consumers.
(b) Consumers which consume herbs and other plants are called ‘herbivores’ and those which consume animals are called ‘carnivores’.
12
Which of the following is correct ?
(a) Farmers and gardeners add chemical fertilizer to their fields and gardens.
(b) Chemical fertilizer are rich in particular nutrients like nitrogen, phosphorus and argon.
Only (a) is correct.
Both (a) and (b) is correct .
13
Lichens are the example of which type of interaction among the organisms ?
Symbiosis
Mutualism
Competition
14
(a) Saprophytic plants is one which obtains its nutrients from dead and decaying plant and animals.
(b) Saprophytes cannot manufacture their food by photosynthesis, they derive their food from dead and decaying plant or animal matter.
(c) Mushrooms, moulds, some types of fungi and bacteria are the most common saprophytes.
Only (a) and (b) is correct .
Only (b) and (c) is correct .
Only (a) and (c) is correct .
All of these .
15
(a) Plants continuously utilize nutrients from the soil absorbed with water.
(b) Manures are decomposed matter of animal and plant wastes.
(c) Cattle dung is mostly used by farmers as manure.
Only (a) and (b) is correct.
Only (b) and (c) is correct.
Only (a) and (c) is correct.
All of these.