A) Humus done clear
B) Sand done clear
C) Clay done clear
D) Small porous rocks done clear
View Solution play_arrowA) Manures done clear
B) Pesticides done clear
C) Fertilisers done clear
D) Nutrients done clear
View Solution play_arrowquestion_answer3) Which of the following layers of the soil contains more humus?
A) Top soil done clear
B) Sub soil done clear
C) Bed rock done clear
D) None of these done clear
View Solution play_arrowquestion_answer4) Worms and small organisms grow mostly in:
A) sub soil done clear
B) top soil done clear
C) bed rock done clear
D) all of these done clear
View Solution play_arrowquestion_answer5) Which of the following shows the correct arrangement of layers of the soil?
A) 
done
clear
B) 
done
clear
C) 
done
clear
D) 
done
clear
A) Sand done clear
B) Clay done clear
C) Loam done clear
D) Gravel done clear
View Solution play_arrowquestion_answer7) If you want to grow plants in your garden, what is the best soil to use?
A) Sand done clear
B) Loam done clear
C) Clay done clear
D) Gravel done clear
View Solution play_arrowquestion_answer8) Which of the following is a natural part of soil?
A) Paper done clear
B) Humus done clear
C) Plastic done clear
D) Fertilizers done clear
View Solution play_arrowquestion_answer9) Humus, silt, clay and sand are all parts of:
A) soil done clear
B) plants done clear
C) animals done clear
D) rocks done clear
View Solution play_arrowquestion_answer10) Soil is formed by:
A) breaking up of rocks done clear
B) breaking up of plants done clear
C) breaking up of animals done clear
D) breaking up of birds done clear
View Solution play_arrowquestion_answer11) Rocks are formed by the action of:
A) sun done clear
B) wind done clear
C) rain done clear
D) all the above done clear
View Solution play_arrowA) Air and water done clear
B) Sunlight and rains done clear
C) Plants and trees done clear
D) Plants and animals done clear
View Solution play_arrowquestion_answer13) Humus is made up of:
A) coarse particles of gravel done clear
B) small pieces of stones done clear
C) rotten leaves and decayed bodies of plants and animals done clear
D) coarse particles of gravel, small sand pieces, clay and small stones done clear
View Solution play_arrowA) gravel done clear
B) sand done clear
C) humus done clear
D) moisture done clear
View Solution play_arrowA) soil has water in it done clear
B) trapped air is present in the soil done clear
C) soil contains clay and water done clear
D) different types of soil have different sizes done clear
View Solution play_arrowquestion_answer16) Identify the TRUE statement from the following.
A) sandy soil is best for the growth of plants done clear
B) all types of soils have same size of grains done clear
C) soils differ in the size of grains and constituents done clear
D) plants grow mostly in the bed rock done clear
View Solution play_arrowquestion_answer17) Sandy soil:
A) does not hold any water done clear
B) holds a lot of water done clear
C) does not hold any air done clear
D) holds both water and air done clear
View Solution play_arrowquestion_answer18) Which of the following is true about gravel?
A) Gravel has very small sized grains which hold water done clear
B) Gravel contains rotten leaves and decayed bodies of plants and animals done clear
C) Gravel has very large grains which do not hold any water done clear
D) Gravel is a mixture of equal amounts of sand and clay done clear
View Solution play_arrowA) Water sinks quickly into gravel done clear
B) Water trickles down to the bottom of the Weaker done clear
C) water will be completely absorbed by the gravel done clear
D) water will not trickle down the gravel done clear
View Solution play_arrowquestion_answer20) Sandy soil is ____ in colour.
A) grey or brown done clear
B) black or brown done clear
C) white or yellow done clear
D) yellow or green done clear
View Solution play_arrowquestion_answer21) In sandy soil:
A) the particles are tightly packed done clear
B) the particles do not hold any air done clear
C) particles hold neither water nor air done clear
D) size of the particles is smaller than that of gravel done clear
View Solution play_arrowquestion_answer22) Sandy soil:
A) holds neither water nor air done clear
B) holds water but not air done clear
C) holds air but not air done clear
D) holds lot of air and some water done clear
View Solution play_arrowquestion_answer23) Which soil is best for the growth of plants?
A) Gravel done clear
B) Sand done clear
C) Loam done clear
D) Clay done clear
View Solution play_arrowquestion_answer24) Sandy soil is mostly found in:
A) plateaus and fields done clear
B) hills and mountains done clear
C) deserts and beaches done clear
D) hills and green fields done clear
View Solution play_arrowquestion_answer25) Identify the WRONG statement about sandy soil.
A) Sandy soil has grains smaller than those of gravel done clear
B) The particles in the sandy soil are loosely packed done clear
C) There is lot of air in the spaces between the particles of sandy soil done clear
D) Sandy soil does not hold water at all done clear
View Solution play_arrowquestion_answer26) In clayey soil:
A) particles have very large spaces between them done clear
B) there is lot of air between the particles done clear
C) particles hold a lot of air done clear
D) there is no space and no air between particles done clear
View Solution play_arrowquestion_answer27) Clayey soil consists of:
A) loosely packed small grains done clear
B) tightly packed medium sized grains done clear
C) very fine grains that stick together done clear
D) mixture of sandy soil and gravel done clear
View Solution play_arrowquestion_answer28) If you pour some water into a funnel containing clayey soil:
A) water trickles down quickly and easily done clear
B) water sinks down easily done clear
C) water does not trickle down easily done clear
D) water will be repelled and evaporated done clear
View Solution play_arrowquestion_answer29) Which of the following is true about clayey soil?
A) Clayey soil is powdery and dry done clear
B) There is a lot of space between the particles of clayey soil done clear
C) Clayey soil does not hold water done clear
D) Clayey soil is very sticky done clear
View Solution play_arrowquestion_answer30) Which of the following types of soil is used for making toys and pots?
A) Gravel done clear
B) Sandy soil done clear
C) Loamy soil done clear
D) Clayey soil done clear
View Solution play_arrowquestion_answer31) Loam contains:
A) very fine grains which stick together done clear
B) equal amounts of sand and clay done clear
C) large grains with lots of spaces between them done clear
D) grains which do not hold either water or air done clear
View Solution play_arrowA) loam done clear
B) gravel done clear
C) clayey soil done clear
D) sandy soil done clear
View Solution play_arrowquestion_answer33) Which of the following soils is best for the growth of plants?
A) loam done clear
B) gravel done clear
C) clayey soil done clear
D) sandy soil done clear
View Solution play_arrowquestion_answer34) Which layer of the soil contains roots of plants and grass in it?
A) top soil done clear
B) sub soil done clear
C) bed rock done clear
D) sand done clear
View Solution play_arrowquestion_answer35) Which of the following is the hardest layer of the soil?
A) top soil done clear
B) sub soil done clear
C) bed rock done clear
D) sand done clear
View Solution play_arrowquestion_answer36) Which of the following layer is loosely packed?
A) top soil done clear
B) sub soil done clear
C) bed rock done clear
D) none done clear
View Solution play_arrowquestion_answer37) Which of the following is added to loam for the better growth of the plants?
A) Bed rock done clear
B) Humus done clear
C) Sandy soil done clear
D) Gravel done clear
View Solution play_arrowquestion_answer38) Match the column A with column B.
| A | B | ||
| 1. | Clayey soil | A. | Does not hold water |
| 2. | Sandy soil | B. | Holds sufficient amount of water and air |
| 3. | Gravel | C. | Found in deserts and beaches |
| 4. | Loam | D. | Used for making toys and pots |
A) 1-C, 2-D, 3-A, 4-B done clear
B) 1-C, 2-D, 3-B, 4-A done clear
C) 1-D, 2-C, 3-A, 4-B done clear
D) 1-B, 2-C, 3-D, 4-A done clear
View Solution play_arrowA) The sapling in pot A done clear
B) The sapling in pot B done clear
C) The sapling in pot C done clear
D) None will grow done clear
View Solution play_arrowquestion_answer40) Match column A with column B.
| A | B | ||
| 1. | Loam | A. | Hardest layer of the soil |
| 2. | Top soil | B. | The layer below the top soil |
| 3. | Sub soil | C. | Best for the growth of the plants |
| 4. | Bed rock | D. | Roots of plants lie in this layer |
A) 1-C, 2-D, 3-A, 4-B done clear
B) 1-D, 2-C, 3-A, 4-B done clear
C) 1-E, 2-D, 3-B, 4-A done clear
D) 1-B, 2-A, 3-D, 4-C done clear
View Solution play_arrowquestion_answer41) Which of the following kinds of soil is used for making pots and toys?
A) Sandy soil done clear
B) Clayey soil done clear
C) Loam soil done clear
D) Gravel done clear
View Solution play_arrowquestion_answer42) Most of the fertilisers are made of:
A) carbon dioxide done clear
B) oxygen done clear
C) nitrogen done clear
D) water vapour done clear
View Solution play_arrowA) Bed rock done clear
B) Sub soil done clear
C) Top soil done clear
D) Mantle done clear
View Solution play_arrowA) humus done clear
B) clay done clear
C) gravel done clear
D) none of these done clear
View Solution play_arrowA) Soil contains moisture done clear
B) Soil contains water done clear
C) Soil contains air done clear
D) None of these done clear
View Solution play_arrowquestion_answer46) Match the following and select the correct answer.
| A | B | ||
| A. | Clay | i. | does not hold water |
| B. | Sand | ii. | Useful for making toys and pots |
| C. | Loam | iii. | Mostly found in the deserts |
| D. | Gravel | iv. | Best for the growth of plants |
A) A-i, B-ii, C-iii, D-iv done clear
B) A-iv, B-iii, C-ii, D-i done clear
C) A-ii, B-iii, C-iv, D-i done clear
D) A-iii, B-iv, C-i, D-ii done clear
View Solution play_arrowquestion_answer47) Which soil can hold both water and air in adequate amounts?
A) Sandy soil done clear
B) Gravel done clear
C) Clayey soil done clear
D) Loamy soil done clear
View Solution play_arrowquestion_answer48) Soil found in the deserts is:
A) clayey soil done clear
B) sandy soil done clear
C) loamy soil done clear
D) gravel done clear
View Solution play_arrowquestion_answer49) Clayey soil can hold a lot of water because, clay:
A) is made of large particles done clear
B) is made of tiny particles done clear
C) contains lot of air spaces done clear
D) none of the above done clear
View Solution play_arrowquestion_answer50) Which of the following is an organic part of the soil?
A) Cloth done clear
B) Stones done clear
C) Plastic done clear
D) Humus done clear
View Solution play_arrow
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