ExamVeda
Login
Home
91
Copper alloys with tin to give
Discuss
Answer & Solution
Answer: Option B
Solution:
Copper alloys with tin to give Bronze. Bronze is an alloy that consists primarily of copper with the addition of other ingredients. In most cases the ingredient added is typically tin, but arsenic, phosphorus, aluminum, manganese, and silicon can also be used to produce different properties in the material.
92
Which one the following condition is not favourable for the formation of delta?
Discuss
Answer & Solution
Answer: Option A
Solution:
Active vertical and lateral erosion in the lower course of the rivers is not favourable for the formation of delta. Favourable conditions are Active vertical & lateral erosion in upper course of the river to provide extensive sediments. Coast should be sheltered preferably tideless & no strong current at right angle to the mouth of the river washing away the sediments. Sea adjoining the delta should be shallow or else the load will disappear in deep waters.
93
In the Himalayas the melting or the snow is more on the
Discuss
Answer & Solution
Answer: Option A
Solution:
In the Himalayas the melting or the snow is more on the Southern slopes. In winter, the sun is always towards the South and the northern facing parts of any mountain are in perpetual shadow. However, in summer, the sun will not migrate as much to the North as it migrated to the South in winter.
94
Which of the following gives the correct decreasing order in numbers in the food chain pyramid?
1. Primary Producers
2. Herbivores
3. Carnivores
4. Man
Discuss
Answer & Solution
Answer: Option A
Solution:
The correct decreasing order in numbers in the food chain pyramid are Primary Producers, Herbivores, Carnivores and Man.
95
The trees of spruce, fir, pine, etc are found in which of the following natural regions of the Earth?
Discuss
Answer & Solution
Answer: Option C
Solution:
The trees of spruce, fir, pine, etc are found in Taiga Type natural regions of the Earth. Taigas are thick forests. Coniferous trees, such as spruce, pine, and fir, are common. Coniferous trees have needles instead of broad leaves, and their seeds grow inside protective, woody cones.
96
Danube, Dneiper, Don, Volga and Ural rivers are flowing in
Discuss
Answer & Solution
Answer: Option B
Solution:
Danube, Dneiper, Don, Volga and Ural rivers are flowing in Europe.
97
The sea that separates Greece and Italy is
Discuss
Answer & Solution
Answer: Option C
Solution:
The sea that separates Greece and Italy is The Adriatic. The Adriatic Sea is part of the Mediterranean Sea. It separates the Italian Peninsula from the Balkan peninsula and the Apennine Mountains from the Dinaric Alps and adjacent ranges.
98
The layers of the earth's crust are distinguished by their
Discuss
Answer & Solution
Answer: Option D
Solution:
The layers of the earth's crust are distinguished by their Thickness and depth, Density and temperature and Metallic content and rocks.
99
The coral reefs are most characteristic of
Discuss
Answer & Solution
Answer: Option B
Solution:
The coral reefs are most characteristic of Pacific Ocean. Coral reefs are the most diverse of all marine ecosystems. They teem with life, with perhaps one-quarter of all ocean species depending on reefs for food and shelter.
100
The regions with the highest and lowest densities are respectively ________
Discuss
Answer & Solution
Answer: Option D
Solution:
The regions with the highest and lowest densities are respectively Europe and Oceania.