Cash Crops

Q.

What is Jhum cultivation?

Q.

Land conservation causes and solutions in 50 to 60 words.(5 marks)

Q.

Petro-crops are plants

1. Grown near oil fields

2. Used in refining crude oil

3. Whose fossil remains formed crude oil

4. From which petrol-like fuels can be derived

Q.

Which of the following is a cash crop?

1. Sugarcane

2. Wheat

3. Millets

4. Rice

Q.

What is the difference between agriculture and plantation? On the basis of the area they are grown and examples

Q.

Name the two essential elements used in the synthesis of proteins by plants.

Q.

Identify and write the names of plants that provide us with cereals/grains.

Q.

Classify the following as cash crops and food crops .

cotton, mustard, tea, rice, wheat, sugarcane, lentils, rubber, apple, mahogany, turmeric, cabbage.

Q. Which of the following statements is incorrect?

1. Biomes are characterized by the major vegetation type and fauna found in the region.
2. One type of biome can be present in different continents.
3. A pond or a single tree can also be examples of an ecosystem.
4. Populations in all the biomes are similar.

Q. State True or False for the statements, regarding the difference between a bean seed and a maize grain.
Bean seed is a monocot seed
Endosperm is present in maize grain
Cotyledons store food in bean seed
Seed coat and fruit wall are fused to form a maize grain

1. F T T T
2. T F T T
3. T T F T
4. T T T F

Q.

What are good sources of vitamins and minerals?

A. Fruits and vegetables.

B .Meat, milk and eggs.

C. Pulses and beans.

D. Rice and other grains.

Q. The family of beans is called as ___

Q. 'Margarine' is prepared from

1. Groundnut
2. Coconut
3. Almond
4. Cashewnut

Q.

Which of the following is not an animal product?

1. Cod liver oil

2. Terpentine oil

3. Cheese
4. Wool

Q.

What are Cash crops?

Q.

95 Which type of soil and climate are good for growing cotton as well as jute? Name any four states of India where cotton and jute are mainly grown.

Q. Which among the following is not a cash crop?

1. Cotton
2. Spices
3. Paddy
4. Coffee

Q. Who is credited with identifying 'petro-crops'?

1. Swaminathan
2. Borlaug
3. Calvin
4. Krebs

Q. ............ and ........... (Silk/Cotton/Wool/Fur/Jute) are obtained from plants.

Q.

Name four regions of mega diversity. What are the characteristics of these regions?

Q. What are pulses? Name two pulses.

Q.

Column I	Column II
(A) Tundra	(p) This area on the planet has permanently frozen soil that does not allow for the growth of large plants.
(B) Grasslands	(q) The area on the planet has few trees, very fertile soil and usually many species of grasses. The rainfall amounts are low and the rain is more abundant during the summer months.
(C) Tropical rainforest	(r) This biome is usually located near the equator. Rainfall amounts are very high, vegetation is dense and soil quality is poor.
(D) Savanna	(s) A type of grassland biome that experiences rainy seasons and long periods of drought.

Q. Which of the following is not a cash crop?

1. Cotton
2. Jute
3. Rice
4. Tobacco

Q. Which of the following crop have been brought to India
from new world

1. Coffee
2. Mango, tea
3. Tea, rubber, mango
4. Cachewnut, potato, rubber

Q. In the world, India is considered as a leading producer of

1. Maize
2. Potato
3. Groundnut
4. Rubber

Q. Which fibre crop occupies the maximum area in India?

1. Jute
2. Cotton
3. Flax
4. Sisal

Q. Richest source of protein amongst the following is

1. Wheat
2. Maize
3. Groundnut
4. Rice

Q. Wheat, paddy and other cereals which form the staple food of mankind belong to the ..........family.

1. Asteraceae
2. Palmaceae
3. Poaceae
4. Scitamineae

Q. Which plant yield several utilizable products including fibre, oil and animal food?

1. Sun hemp
2. Jute
3. Cotton
4. Sunflower

Q. Which among the following is the richest source of proteins?

1. Triticum vulgare
2. Oryza sativa
3. Cicer arietinum
4. Arachis hypogea