Questions asked by Chidatmika

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• What is the difference between homologous chromosome and homomorphic chromosome?
  
• How are genes present in a chromosome.?
  
• The electronic configuration of polonium is 2,8,18,32,18,6. It shall gain two electrons. How can it be a metal?
  
• What is the difference between metals and metalloids?
  
• Electrons get added on moving through a group as well as period. Then how can the atomic size decrease in a period but increase in a group?
  
• If the focus of a concave lens is a virtual point, how can a ray appear to come from there? In other words, how can we view the image there?
  
• How are the wave length and frequency of a light ray related to each other?
  
• How is refractive index relate to the angle of bending of light?
  
• Why do planets not twinkle?
  
• Why does the refracted ray bend away from normal on travelling from denser to rarer medium?
  
• Why does acetic acid mix with water?
  
• What are the cleansing effects of soaps?
  
• Human beings have a variety of traits. How are they transmitted through generations? Are all the traits present in a single DNA or do they have separate arrangements for the same?
  
• What is a follicle?
  
• By what is the hormone progesterone secreted? Is it the released ovum or the mature ovum in the ovary?
  
• Are the sex chromosomes present only in sex cells or in the somatic cells as well?
  
• Which type of reproduction induces more genetic variation - self pollination or cross pollination?
  
• What happens to the unfertilised ovules in plants?
  
• Soaps form foam with hard water or soft water?
  
• How many pairs of chromosomes are present in the somatic cells? Are the last pair of chromosomes present in the reproductive cells only?
  
• When the lower half of a convex lens is covered with a black paper, will we be able to see the image? Why and how?
  
• Why does the ketone start from propane, but not methane?
  
• In my socratic account, I, myself have not set my profile photo. It thame automatically. How? I don't even have that in my phone.
  
• Vegetable oil is saturated or unsaturated?
  
• Why can't we do branching from the first or last carbon atom?