Biology Questions

• Radish is a
• Primary phloem develops from
• Nymph is the name of young one of
• Plants receive their nutrients mainly from
• Of the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)?
• Out of 900 reported species of living gymnosperms, conifers are represented by about 500 species, About 2,50,000 species of angiosperms (flowering plants) have also been reported in the world. The vast and dominant woodlands in Europe, Asia, North America and mountains such as Himalayas are wooded with
• Plants are killed in winter by frost
• Myopia is connected with
• Movements due to light are shown by
• Mutation is
• Ptyalin is an enzyme produced in the
• One of the following is most suitable for study of mutations
• Most highly intelligent mammals are
• Prokaryotic cells lack
• Organic Substances which, in very small amounts, control growth and development called
• Phloem is a tissue found in
• Night blindness is cause by lack of which vitamin?
• Plants absorb dissolved nitrates from soil and convert them into
• Most of the red, blue and purple colours of plants are due to a pigment called
• Plant bends towards the source of light on account of the movement of curvature known as