Biology questions
20584 published questions with worked solutions.
- Which one of the following cell organelles may play a role in expelling excess water and wastes in case of unicellular organisms ?
- Which one of the following statements is correct about effects of antibiotics on viruses ?
- In prokaryotic organisms, nuclear region is not surrounded by a membrane. This undefined nuclear region is known as
- Which one of the following plant tissues has dead cells ?
- Which one of the following is NOT a component of human male reproductive system ?
- Which one of the following is NOT a reason of decrease in biodiversity ?
- In mitochondria, ATP synthesizing chemical reactions take place in the
- Transformation of meristematic cells into specific permanent tissues occurs by the process of
- The gaseous product of a process in plants is a requirement for another vital process that releases energy. Given below are four...
- In a dicot pot herb, vaseline/vegetable oil was applied on the upper surface of one leaf (Experimental leaf 1) and on the lower...
- During seed germination, the part of the embryo which grows into root is
- In a typical flower, germinating pollen grains pass through several parts of the gynoecium before they reach the ovule. A list of...
- Which one of the following statements about the process of photosynthesis is correct ?
- How are evergreen plants with woody stems having naked seed classified ?
- Which one of the following tissues is known as basic packing tissue and found in xylem and phloem ?
- Girth of stem of a plant increases due to division of cells in
- Different varieties of the same gene are called
- Which one of the following viruses used to be responsible for highly infectious disease Smallpox ?
- Which one of the following hormones is responsible for the development of female sexual characters ?
- Which of the following statements about living and non-living being is/are correct? 1. While living being can demonstrate growth...