Biology questions
20584 published questions with worked solutions.
- The principal nitrogenous excretory compound in humans is synthesised
- The chief water conducting elements of xylem in gymnosperms are
- Injury to adrenal cortex is not likely to affect the secretion of which of the following
- The technical term used for the androecium in a flower of China rose (Hibiscus rosa-sinensis) is
- PGA as the first CO_2 fixation product was discovered in photosynthesis of
- The main arena of various types of activities of a cell is
- Darwin's finches are a good example of
- Which one of the following statements about all the four of Spongilla, Leech, Dolphin and Penguin is correct
- Algae have cell wall made up of
- An improved variety of transgenic basmati rice
- In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube
- Listed below are four respiratory capacities (a-d) and four jumbled respiratory volumes of a normal human adult Respiratory...
- Membrane-bound organelles are absent in
- The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons
- Coiling of garden pea tendrils around any support is an example of
- Restriction endonucleases are enzymes which
- Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called
- One of the free-living anaerobic nitrogen-fixer is
- Vasa efferentia are the ductules leading from
- Which one of the following has its own DNA