Soil Erosion And Conservation MCQs

Option A: Desert areas

Option B: Hilly areas

Option C: Plains

Option D: Riverine areas

Correct Answer: Hilly areas ✔

Option A: Irrigated agriculture

Option B: Overgrazing

Option C: Tourism

Option D: Developmental activities

Correct Answer: Overgrazing ✔

Option A: Rain fall

Option B: Frequent cyclones

Option C: Erosion of surface soil

Option D: Frequent landslides

Correct Answer: Rain fall ✔

Option A: Soil erosion

Option B: Pollution

Option C: No floods

Option D: None of these

Correct Answer: Soil erosion ✔

Option A: Cotton

Option B: Pigeon pea

Option C: Green gram

Option D: Maize

Correct Answer: Pigeon pea ✔

Option A: Fast running rivers

Option B: Wind

Option C: Heavy rains

Option D: Glaciers

Correct Answer: Heavy rains ✔

Option A: Prevention of spread of desert

Option B: To check soil erosion by wind and rains

Option C: To check soil erosion by afforestation

Option D: All of these

Correct Answer: All of these ✔

Option A: Wind screens

Option B: Good plant covers

Option C: Restricted human activity

Option D: Low rainfall

Correct Answer: Good plant covers ✔

Option A: Deforestation

Option B: Afforestation

Option C: Ozone layer

Option D: Goats and grazing animals

Correct Answer: Deforestation ✔

Option A: Gravel and sand

Option B: Sand and calcium

Option C: Clay and humus

Option D: Silt and earthworms

Correct Answer: Clay and humus ✔

Option A: Goat and grazing animals

Option B: Local resident

Option C: Unfertility of soil

Option D: Low rainfall

Correct Answer: Low rainfall ✔

Option A: Rich in plant nutrients

Option B: Unaltered in plant nutrients

Option C: Devoid of plant nutrients

Option D: All of these

Correct Answer: Devoid of plant nutrients ✔

Option A: World environment day

Option B: Darwin’s birthday

Option C: World health and hygiene day

Option D: World population day

Correct Answer: World environment day ✔

Option A: Moisture conservation

Option B: Weed control

Option C: Improvement of soil structure

Option D: Increasing soil fertility

Correct Answer: Moisture conservation ✔

Option A: Preventing soil erosion

Option B: Developing a vegetational cover

Option C: Preventing overgrazing

Option D: Introducing agriculture

Correct Answer: Developing a vegetational cover ✔

Option A: Agricultural growth

Option B: Epiphytes

Option C: Grasses

Option D: Nematode disease

Correct Answer: Grasses ✔

Option A: Cannibalism

Option B: Habitat destruction

Option C: Felling of trees

Option D: Paucity of drinking water

Correct Answer: Habitat destruction ✔

Option A: Increasing fertility of soil

Option B: Increasing quality of protein

Option C: Getting different kinds of crops

Option D: Increasing quality of minerals

Correct Answer: Increasing fertility of soil ✔

Option A: Reducing over grazing

Option B: Planting proper plants

Option C: Making dams

Option D: All of those

Correct Answer: All of those ✔

Option A: Deforestation

Option B: Heavy rains

Option C: Afforestation

Option D: Over grazing

Correct Answer: Afforestation ✔

Option A: Delonix

Option B: Mangifera

Option C: Eucalyptus

Option D: Prosopis

Correct Answer: Prosopis ✔

Option A: Plant conservation

Option B: Project tiger

Option C: Animal breeding

Option D: Operation flood

Correct Answer: Plant conservation ✔

Option A: The existing forests should be cleared and new ones should be planted

Option B: Some quick growing anuals should be planted if a tree must be cut for other uses

Option C: Tree must be cut whenever necessary because the underground part performs the useful purpose

Option D: A tree should be planted in place of one to be cut

Correct Answer: A tree should be planted in place of one to be cut ✔

Option A: Upper layers of soil are loosened and are eroded

Option B: Lower layers are made more compact and root respiration is interfered with

Option C: Lower compact layers make root penetration difficult

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Afforestation

Option B: Deforestation

Option C: Denudation

Option D: Overgrazing

Correct Answer: Afforestation ✔

Option A: Dense forest

Option B: Grassland

Option C: Bushy vegetation

Option D: Desert

Correct Answer: Desert ✔

Option A: Addition of their excreta to the soil

Option B: Eradication of weeds

Option C: Removal of wild plants

Option D: Removal of wild animals

Correct Answer: Addition of their excreta to the soil ✔

Option A: The roots are starved

Option B: Of the mechanical injury to roots

Option C: Most of the aerial parts are eaten away

Option D: All of the above

Correct Answer: The roots are starved ✔

Option A: Allowing herbivorous animals to graze excessively

Option B: Growing plants to form a soil cover

Option C: Making the land slopy

Option D: Increasing fertility

Correct Answer: Growing plants to form a soil cover ✔

Option A: Bringing in plant pathogens

Option B: Selective grazing

Option C: Cross pollination

Option D: Bringing the seeds of other plants

Correct Answer: Selective grazing ✔

Option A: Will have no effect on causing floods in plain

Option B: May cause flood in plains in rainy season

Option C: Will have no effect on climatic condition of that area

Option D: Will benefit the mankind for more area for cultivation

Correct Answer: May cause flood in plains in rainy season ✔

Option A: Dominant species

Option B: Rhizomatous

Option C: Constantly grazed

Option D: fast growing

Correct Answer: Constantly grazed ✔

Option A: Ley farming

Option B: Mulching

Option C: Basin listing

Option D: Strip cropping

Correct Answer: Mulching ✔

Option A: Rill erosion

Option B: Sheet erosion

Option C: Gully erosion

Option D: All of these

Correct Answer: Sheet erosion ✔

Option A: Gully erosion

Option B: Slip erosion

Option C: Wind erosion

Option D: Stream bank erosion

Correct Answer: Stream bank erosion ✔

Option A: Geological erosion

Option B: Surface creep

Option C: Both (a) & (b)

Option D: Accelerated erosion

Correct Answer: Geological erosion ✔

Option A: Saltation

Option B: Suspension

Option C: Surface creep

Option D: Shifting of dunes

Correct Answer: Saltation ✔

Option A: Lichens

Option B: Blue-green algae

Option C: Legumes

Option D: Grasses

Correct Answer: Grasses ✔

Option A: Nitrogen starvation many result

Option B: Specific mineral deficiency may arise

Option C: Soil will become prone to diseases

Option D: Water level in soil will recede

Correct Answer: Specific mineral deficiency may arise ✔

Option A: Stream bank erosion

Option B: Sheet erosion

Option C: Slip erosion

Option D: Gully erosion

Correct Answer: Gully erosion ✔

Option A: Leaching only

Option B: Utilization by plants

Option C: Both (a) & (b)

Option D: Chemical reactions

Correct Answer: Both (a) & (b) ✔

Option A: Soil pollution

Option B: Creeping death of soil

Option C: Loss of living stratum

Option D: Loss of feeding zone

Correct Answer: Soil pollution ✔

Option A: Rill erosion

Option B: Gully erosion

Option C: Sheet erosion

Option D: All of these

Correct Answer: Rill erosion ✔

Option A: 3,000 million tons

Option B: 3,000,000 million tons

Option C: 3,00,00,000 million tons

Option D: 3,00,000 billion tons

Correct Answer: 3,000,000 million tons ✔

Option A: Excessive rains

Option B: Wind storms

Option C: Overfelling and overgrazing

Option D: All of these

Correct Answer: Overfelling and overgrazing ✔

Option A: Gully – Rill – ravine

Option B: Rill – Ravine – Gully

Option C: Rill – Gully – Ravine

Option D: Ravine – Rill – Gully

Correct Answer: C. Rill – Gully – Ravine ✔

Option A: Along rivers

Option B: At the sea shore

Option C: In water falls

Option D: In all these places

Correct Answer: At the sea shore ✔

Option A: Sterile soil is converted into fertile soil

Option B: Soil is aerated

Option C: Soil erosion is allowed

Option D: Soil is protected against loss

Correct Answer: Soil is protected against loss ✔

Option A: Cajanus and Dalbergia

Option B: Cajanus and Aeschynomene

Option C: Dalbergia and trigonella

Option D: Trigonella and Trifolium

Correct Answer: Trigonella and Trifolium ✔

Option A: Agrostology

Option B: Basin listing

Option C: Growing grazing fields

Option D: Animal husbandry

Correct Answer: Animal husbandry ✔

Option A: Contour terracing

Option B: Contour strip cropping

Option C: Confour farming

Option D: All of these

Correct Answer: Contour strip cropping ✔

Option A: Aeration and hydration

Option B: Humus and mineral contents

Option C: Humus, mineral and hydration level

Option D: All of these

Correct Answer: All of these ✔

Option A: Levelling

Option B: Ridge terracing

Option C: Bench terracing

Option D: Channel terracing

Correct Answer: Bench terracing ✔

Option A: Loss of soil water

Option B: Soil particles became smaller

Option C: Soil organisms are exposed

Option D: All of these

Correct Answer: Loss of soil water ✔

Option A: Pan breaking

Option B: Levelling

Option C: Ridge terracing

Option D: All of these

Correct Answer: Levelling ✔

Option A: Ley farming

Option B: Land retirement

Option C: Basin listing

Option D: Contour farming

Correct Answer: Ley farming ✔

Option A: Zizpyhus and Calotropis

Option B: Dalbergia and Delonix

Option C: Delonix and Albizia

Option D: Morinda and Anona

Correct Answer: Zizpyhus and Calotropis ✔

Option A: Shallow ploughing

Option B: Development of textures

Option C: Animal husbandry

Option D: Crop selection

Correct Answer: Crop selection ✔

Option A: Pans

Option B: Peds

Option C: Clods

Option D: None of these

Correct Answer: Pans ✔

Option A: Mulching

Option B: Fallowing

Option C: Tilling

Option D: Contour farming

Correct Answer: Tilling ✔

Option A: Rill erosion

Option B: Gully erosion

Option C: Ravine formation

Option D: Sheeterision

Correct Answer: Sheeterision ✔

Option A: Algae

Option B: Mycorrhizae

Option C: Grasses

Option D: All of these

Correct Answer: Grasses ✔

Option A: Wind breaks

Option B: Soil binders

Option C: Shelter belts

Option D: Basin blisters

Correct Answer: Shelter belts ✔

Option A: Contour terracing

Option B: Contour trenching

Option C: Beach terracing

Option D: None of these

Correct Answer: Contour trenching ✔

Option A: Desert areas

Option B: Hilly areas

Option C: Dry areas

Option D: Plain areas

Correct Answer: Hilly areas ✔