ch 15 important quesction
Improvement in Food Resources
Multiple Choice Questions
1.
Which
one is an oil yielding plant among the following?
(a)
Lentil
(b)
Sunflower
(c)
Cauliflower
(d)
Hibiscus
2.
Which
one is not a source of carbohydrate?
(a)
Rice
(b)
Millets
(c)
Sorghum
(d)
Gram
3.
Find
out the wrong statement from the following
(a)
White
revolution is meant for increase in milk production
(b)
Blue
revolution is meant for increase in fish production
(c)
Increasing
food production without compromising with environmental quality is called as
sustainable agriculture
(d)
None
of the above
4.
To
solve the food problem of the country, which among the following is necessary?
(a)
Increased
production and storage of food grains
(b)
Easy
access of people to the food grain
(c)
People
should have money to purchase the grains
(d)
All
of the above
5.
Find
out the correct sentence
(i) Hybridisation means crossing between genetically dissimilar plants
(ii) Cross between two varieties is called as inter specific hybridisation
(iii) Introducing genes of desired character into a plant gives genetically modified crop
(iv) Cross between plants of two species is called as inter varietal hybridisation
(i) Hybridisation means crossing between genetically dissimilar plants
(ii) Cross between two varieties is called as inter specific hybridisation
(iii) Introducing genes of desired character into a plant gives genetically modified crop
(iv) Cross between plants of two species is called as inter varietal hybridisation
(a)
(i)
and (iii)
(b)
(ii)
and (iv)
(c)
(ii)
and (iii)
(d)
(iii)
and (iv)
6.
Weeds
affect the crop plants by
(a)
killing
of plants in field before they grow
(b)
dominating
the plants to grow
(c)
competing
for various resources of crops (plants) causing low availability of nutrients
(d)
all
of the above.
7.
Which
one of the following species of honey bee is an Italian species?
(a)
Apis
dorsata
(b)
Apis
florae
(c)
Apis
cerana indica
(d)
Apis
mellifera
8.
Find
out the correct sentence about manure
(i) Manure contains large quantities of organic matter and small quantities of nutrients.
(ii) It increases the water holding capacity of sandy soil.
(iii) It helps in draining out of excess of water from clayey soil.
(iv) Its excessive use pollutes environment because it is made of animal excretory waste.
(i) Manure contains large quantities of organic matter and small quantities of nutrients.
(ii) It increases the water holding capacity of sandy soil.
(iii) It helps in draining out of excess of water from clayey soil.
(iv) Its excessive use pollutes environment because it is made of animal excretory waste.
(a)
(i)
and (iii)
(b)
(i)
and (ii)
(c)
(ii)
and (iii)
(d)
(iii)
and (iv)
9.
Cattle
husbandry is done for the following purposes
(i) Milk Production
(ii) Agricultural work
(iii) Meat production
(iv) Egg production
(i) Milk Production
(ii) Agricultural work
(iii) Meat production
(iv) Egg production
(a)
(i),
(ii) and (iii)
(b)
(ii),
(iii) and (iv)
(c)
(iii)
and (iv)
(d)
(i)
and (iv)
10.
Which
of the following are Indian cattle?
(i) Bos indicus
(ii) Bos domestica
(iii) Bos bubalis
(iv) Bos vulgaris
(i) Bos indicus
(ii) Bos domestica
(iii) Bos bubalis
(iv) Bos vulgaris
(a)
(i)
and (iii)
(b)
(i)
and (ii)
(c)
(ii)
and (iii)
(d)
(iii)
and (iv)
11.
Which
of the following are exotic breeds?
(i) Brawn
(ii) Jersey
(iii) Brown Swiss
(iv) Jersey Swiss
(i) Brawn
(ii) Jersey
(iii) Brown Swiss
(iv) Jersey Swiss
(a)
(i)
and (iii)
(b)
(ii)
and (iii)
(c)
(i)
and (iv)
(d)
(ii)
and (iv)
12.
Poultry
farming is undertaken to raise following
(i) Egg production
(ii) Feather production
(iii) Chicken meat
(iv) Milk production
(i) Egg production
(ii) Feather production
(iii) Chicken meat
(iv) Milk production
(a)
(i)
and (iii)
(b)
(i)
and (ii)
(c)
(ii)
and (iii)
(d)
(iii)
and (iv)
13.
Poultry
fowl are susceptible to the following pathogens
(a)
Viruses
(b)
Bacteria
(c)
Fungi
(d)
All
of the above
14.
Which
one of the following fishes is a surface feeder?
(a)
Rohus
(b)
Mrigals
(c)
Common
carps
(d)
Catlas
15.
Animal
husbandry is the scientific management of
(i) animal breeding
(ii) culture of animals
(iii) animal livestock
(iv) rearing of animals
(i) animal breeding
(ii) culture of animals
(iii) animal livestock
(iv) rearing of animals
(a)
(i),
(ii) and (iii)
(b)
(ii),
(iii) and (iv)
(c)
(i),
(ii) and (iv)
(d)
(i),
(iii) and (iv)
16.
Which
one of the following nutrients is not available in fertilizers?
(a)
Nitrogen
(b)
Phosphorus
(c)
Iron
(d)
Potassium
17.
Preventive
and control measures adopted for the storage of grains include
(a)
strict
cleaning
(b)
proper
disjoining
(c)
fumigation
(d)
all
of the above
Short Answer Type
Questions
18.
Match
the column A with the column B
19.
Fill
in the blanks
(a)
Pigeon
pea is a good source of ______ .
(b)
Berseem
is an important ______ crop.
(c)
The
crops which are grown in rainy season are called ______ crops.
(d)
______
are rich in vitamins.
(e)
______
crop grows in winter season.
20.
What
is a GM crop? Name any one such crop which is grown in India.
21.
List
out some useful traits in improved crop?
22.
Why
is organic matter important for crop production?
23.
Why
is excess use of fertilizers detrimental for environment?
24.
Give
one word for the following
(a)
Farming
without the use of chemicals as fertilizers, herbicides and pesticides is known
as ______ .
(b)
Growing
of wheat and groundnut on the same field is called as ______ .
(c)
Planting
soyabean and maize in alternate rows in the same field is called as ______ .
(d)
Growing
different crops on a piece of land in pre-planned succession is known as ______
.
(e)
Xanthium
and Parthenium are commonly known as ______ .
(f)
Causal
organism of any disease is called as ______ .
25.
Match
the following A and B
26.
If
there is low rainfall in a village throughout the year, what measures will you
suggest to the farmers for better cropping?
27.
Group
the following and tabulate them as energy yielding, protein yielding, oil
yielding and fodder crop.
Wheat, rice, berseem, maize, gram, oat, pigeon gram, sudan grass, lentil, soyabean, groundnut, castor and mustard.
Wheat, rice, berseem, maize, gram, oat, pigeon gram, sudan grass, lentil, soyabean, groundnut, castor and mustard.
28.
Define
the term hybridization and photoperiod.
29.
Fill
in the blanks
(a)
Photoperiod
affect the ______ .
(b)
Kharif
crops are cultivated from ______ to ______ .
(c)
Rabi
crops are cultivated from ______ to ______ .
(d)
Paddy,
maize, green gram and black gram are ______ crops.
(e)
Wheat,
gram, pea, mustard are ______ crops.
30.
Cultivation
practices and crop yield are related to environmental condition. Explain.
31.
Fill
in the blanks
(a)
A
total of ______ nutrients are essential to plants.
(b)
______
and ______ are supplied by air to plants.
(c)
———is
supplied by water to plants.
(d)
Soil
supply ______ nutrients to plants.
(e)
______
nutrients are required in large quantity and called as ______ .
(f)
______
nutrients are needed in small quantity for plants and are called ______ .
32.
Differentiate
between compost and vermicompost?
33.
Arrange
these statements in correct sequence of preparation of green manure.
(a)
Green
plants are decomposed in soil.
(b)
Green
plants are cultivated for preparing manure or crop plant parts are used.
(c)
Plants
are ploughed and mixed into the soil.
(d)
After
decomposition it becomes green manure.
34.
An
Italian bee variety A. mellifera has been introduced in India for honey
production. Write about its merits over other varieties.
35.
In
agricultural practices, higher input gives higher yield. Discuss how?
Long Answer Type
Questions
36.
Discuss
the role of hybridisation in crop improvement.
37.
Define
(i) Vermicompost
(ii) Green manure
(iii) Bio fertilizer
(ii) Green manure
(iii) Bio fertilizer
38.
Discuss
various methods for weed control.
39.
Differentiate
between the following
(i)
Capture fishery and
Culture fishery
(a)
(ii)
Mixed cropping and Inter cropping
(b)
(iii)
Bee keeping and Poultry farming
40.
Give
the merits and demerits of fish culture?
41.
What
do you understand by composite fish culture?
42.
Why
bee keeping should be done in good pasturage?
43.
Write
the modes by which insects affect the crop yield.
44.
Discuss
why pesticides are used in very accurate concentration and in very appropriate
manner?
45.
Name
two types of animal feed and write their functions.
46.
What
would happen if poultry birds are larger in size and have no summer adaptation
capacity? In order to get small sized poultry birds, having summer
adaptability, what method will be employed?
47.
Suggest
some preventive measures for the diseases of poultry birds.
48.
Figure
15.1 shows the two crop fields [Plots A and B] have been treated by manures and
chemical fertilizers respectively, keeping other environmental factors same.
Observe the graph and answer the following questions.
(i)
Why does plot B show
sudden increase and then gradual decrease in yield?
(a)
(ii)
Why is the highest peak in plot A graph slightly delayed?
(b)
(ii)
What is the reason for the different pattern of the two graphs?
49.
Complete
the crossword puzzle (Fig.15.2)
Across
Across
1.
Oil yielding plant (9)
2.
Crop grown in winter
season (4)
3.
5. Fixed by Rhizobium
(8)
4.
9. Common honey bee (4)
(b)
Downward
(c)
2.
Animal feed (6)
(d)
4.
A micronutrient (5)
(e)
6.
Unwanted plant in crop fields (4)
(f)
7.
An exotic breed of chicken(7)
(g)
8.
Bottom feeders in fish pond(7)
(h)
10.
A marine fish (4)
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