Biology questions
20584 published questions with worked solutions.
- When yeast cells are O_2 starved, fermentation serves as the source of energy. This results in the production of :
- Which one of the following is not a characteristic feature of fungi ?
- Which one of the following statements about bryophytes is not correct ?
- The green plants in a terrestrial ecosystem absorbs sunlight that falls on their leaves and convert it into food energy. The...
- The two important features of sexual reproduction in higher organisms that create genetic diversity in offspring are
- Eukaryotic cells are much more complex as compared to prokaryotes. Which one of the following structures is exclusively present...
- In angiosperms, pollen grain germinates to produce two male gametes. Which one of the following functions is carried out by these...
- Relationship between a flower and honey-bee will help the flower for/in
- Which one of the following is NOT a requirement for photosynthesis ?
- In flowering plants, DNA content of the parent plant gets halved during
- Which one of the following is the correct sequence during sexual reproduction in Angiosperms ?
- Which one of the following combinations of events represents the correct sequence during reproduction in flowering plants ?
- Which of the following statements regarding animal cell membrane is correct ?
- Consider the following cell types : 1. Monocyte 2. Chondrocyte 3. Basophil 4. Lymphocyte How many of the above belong to animal...
- In the human digestive system, which one among the following is the role of the pancreas ?
- Consider the following statements : 1. DNA replication takes place when chromatin is opened up. 2. Chromatin organises itself...
- Leaves of most plants appear green because the chlorophyll present in it :
- In most prokaryotes, the chromosome number is :
- Bacterial DNA is referred to as naked because it is not associated with :
- Which one among the following cells produces antibodies against a foreign antigen ?