Direction: Refer to the given figure of plant in which some parts are labelled and answer the question.
Which of the following plant parts take part in absorption of water and minerals, and exchange of gases respectively?
AP and R
BQ and S
CT and R
DT and P
D is the correct answer
Unscramble the given names of internal body organs and select the correct match of organ with its function.
|A||REHTA||Helps to think and remember|
|B||RBINA||Helps to feel hot or cold|
|C||NTOJIS||Help to breathe|
|D||AMOTHCS||Helps in digestion of food|
what is the answer
At a certain time of the day, the temperature over land is 21°C while the temperature over sea is 36°C. At this time ________.
AThe air pressure is lower over land than that over sea
BBreeze will flow from land towards the sea
CBreeze will flow from sea towards the land
DNone of these
Global warming leads to a rise in the sea level causing floods in the coastal areas. One of the main reasons of global warming is
A Combustion of fuels releases sulphur dioxide which increases the temperature
B Combustion of fuels releases carbon monoxide which decreases the temperature
C Combustion of fuels releases unburnt carbon particles which causes decrease in temperature
D Combustion of fuels releases carbon dioxide which causes increase in temperature.
A metre ruler is held vertically in front of a plane mirror of length 15 cm as shown in the given figure. Arun peeps through a hole at the 40 cm mark. The range of the scale of the metre ruler that can be seen is
A10 cm to 40 cm
B15 cm to 45 cm
C20 cm to 50 cm
DNone of these.
Geetika poured 20 g of salt into 200 mL of water in a beaker. She stirred the water to dissolve the salt completely. Then she heated the solution until it was reduced to half. How many grams of salt can be recovered from the remaining solution?
A 0 g
B 10 g
C 20 g
D 40 g