Biology Questions

• Photosynthesis is a process
• Radioactivity is a phenomenon of the spontaneous emission of
• Prothrombin which helps in clotting of blood is released by
• Poison glands of snakes are homologous to
• Plants that grow under average temperature and moisture are called
• Potato is a modified form (outgrowth) of
• Oxygen in our blood is transported by a protein named
• Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes
• Most fish do not sink in water because of the presence of swim bladder air bladder air sacs air in spongy bones
• Plants developing in dry conditions are
• Plants growing on sand are called as
• Number of chromosomes in Down's syndrome is
• Photosynthesis takes place faster in
• Placenta is the structure formed
• Ramapithecus and Cro-Magnon man are considered
• Movement of cell against concentration gradient is called
• Plant have ____ while animals lack it.
• Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to
• On which of the following plants did Gregor Mendal perform his classical experiment?
• Most abundant tissues of our body are