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At present sum of age = 60 years After 6 years sum of age will be, => 5x + 4x + 3x + 2x = 60 + 6 × 4 => 14x = 60 + 24 => x = 84/14 => x = 6 C’s present age = 3x – 6 = 12 years
Which of the following statement is correct about cells?
I. Cell membrane is absent in plant cell
II. Cell wall is present in animal cell
Which enzyme is responsible for removing RNA primers during DNA replication?
What is the primary nitrogenous waste product excreted by humans?
Which of the following is a technique by which plants get rid of waste material?
I. Storing as gum and resin
II. Removed in the falling leaves
Spirogyra reproduces primarily through which process?
Our arm is joined to the shoulder with ______.
Which of the following plants bears naked seeds?
Oxygen-rich blood from the lungs comes to the ______.
Who is regarded as the founder of binomial nomenclature of plants and animals?
