Impulses from the pace–maker cause the
In _ cells the genetic material is without any nuclear membrane covering and is directly submerged in the cytoplasm.
In a cymose type of inflorescence, the growth of the main axis terminates in a
In a dihybrid cross between AABB and aabb the ratio of AABB, AABb, aaBb, aabb in F2 generation is
In a food chain, the solar energy utilized by plants is only
In a human body, the longest bone is in the
In a mammal, lymphatic vessels possess
In a normal human being, how much time does food take to reach the end of the intestine for complete absorption?
In a normal human body, the total number of red blood cells is
In a plant cell, DNA may be found in
