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More Biology Questions
________ being a higher category, is the assemblage of families which exhibit a few similar characters.
Consider the following statements and choose the correct answer: 1. Sieve cells are present in all groups of plants 2. Transverse position of end walls of sieve tubes is a primitive feature whereas their oblique or inclined position is an advanced condition 3. Restriction of sieve areas on the end wall is a primitive condition whereas their presence on end wall as well as radial wall is an advanced condition 4. The sieve plates with larger sieve pores are advanced
Puccinia is a parasitic
Of the following, which one light – gathering?
Division of nucleus is termed as___________ ?