Related Questions

In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous
A Uranium oxide
B Uranium hexaflouride
C Uranium carbide
D Uranium sulphate
Timothy leaves home for school, riding his bicycle at a rate of 9 miles per hour. Fifteen minutes after he leaves, his mother sees a Timothy's math homework lying on his bed and immediately leaves home to bring it to him. If his mother drives at 36 miles per hour, how far (in terms of miles) must she drive before she reaches Tmothy?
A 1/3
B 4
C 3
D 12
Ms. Rahena needs to get from Town C. The only was to get Town C is taka a bus from Town A to Town B and then take a train from Town B to C. The bus leaves Town A at 8.00 am and reaches Town b after 212 hours. The first train leaves Town B at 9.00 am and then there is a train every 50 minutes. The train reaches Town C 40 minutes after its departure . If Ms. Rehana leaves Town A at 8.00 am, When is the earliest she would arrive at Town C?
A 11:10 am
B 11.20 am
C 12.00 noon
D 10.30 am
During respiration, gaseous exchange occurs in-
A Alveoli
B Respiratory bronchiole
C Terminal bronchiole
D Alveolar duct
In plants, exchange of gases takes place through
A Stomata
B Palisade tissue
C Spongy tissue
D mid rib
Photosynthesis takes place in -----
A Roots of the plants
B Stems of the plants
C Green parts of the plants
D All parts of the plants
Photosynthesis generally takes place in which parts of the plant?
A Leaf and other chloroplast bearing parts
B steam and leaf
C Roots and chloroplast bearing parts
D Bark and leaf
Photosynthesis takes place in the presence of chlorophyll and ________
A Water
B Nutrients
C Carbon-dioxide
D Sunlight
When sunlight passes through tiny suspended rain drops it produces ---
A Rainbow
B White light
C Ultraviolet ray
D None
The exchange rate is the ruling official rate of exchange of dollars for other currencies . It determines the value of American goods in relation to foreign goods. If the the dollar is devalued in terms of other currencies , American exports ( which are
A There are certain disadvantages for the United States economy attached to devaluation
B The prospect of devaluation results in a speculative outflow of funds
C By encouraging exports and discouraging imports, devaluation can improve the American balance of payments
D The difference between the exports and imports is called the trade gap

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