Biology questions
20584 published questions with worked solutions.
- The Leydig cells as found in the human body are the secretory source of
- Which one of the following is not a part of a transcription unit in DNA ?
- Gymnosperms are also called soft wood spermatophytes because they lack
- Cycas and Adiantum resemble each other in having
- A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers...
- Compared to those of humans, the erythrocytes in frog are
- A nitrogen-fixing microbe associated with Azolla in rice fields is
- What is correct to say about the hormone action in humans ?
- Cymose inflorescence is present in
- What is true about ribosomes ?
- A process that makes important difference between C_3 and C_4 plants is
- Placentation in tomato and lemon is
- If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complementary RNA strand sequence ?
- Select the correct statement from the following regarding cell membrane
- Signals for parturition originate from
- The cyanobacteria are also referred to as
- Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition ?
- Which one of the following is not a functional unit of an ecosystem ?
- During gamete formation, the enzyme recombinase participates during
- Removal of RNA polymerase III from nucleoplasm will affect the synthesis of