Characteristics that are transmitted from parents to offsprings during sexual reproduction show both similarities and variations with parents
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All the living matter in a cell is called
Pronob SarkarAll the living matter in a cell is called protoplasm
The organelles which provide energy for all the activities of a cell are
Pronob SarkarThe organelles which provide energy for all the activities of a cell are mitochondria
Which of the following activities can help in the conservation of forests
Pronob SarkarRecycling of cardboard cartons can help in the conservation of forests
The indiscriminate killing of which of the following animals can lead to loss in the production of food grains
Pronob SarkarThe indiscriminate killing of snakes can lead to loss in the production of food grains
Which of the following is an extinct species of animals
Pronob SarkarDodo is an extinct species of animals
Which of the following is the main cause of global warming
Pronob SarkarCarbon dioxide is the main cause of global warming
Which of the following is usually referred to as ‘black gold’
Pronob SarkarPetroleum is usually referred to as ‘black gold’
When a vessel is exposed to moist air for a long time, then a green coating is formed on its surface. the vessel must be made of
Pronob SarkarWhen a vessel is exposed to moist air for a long time, then a green coating is formed on its surface. the vessel must be made of copper
Which of the following elements will produce an oxide that will dissolve in water to form an acid
Pronob SarkarCarbon elements will produce an oxide that will dissolve in water to form an acid