Biology questions
20584 published questions with worked solutions.
- Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyme?Not in NEET syllabus
- Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature? (a)...
- The hepatic portal vein drains blood to liver from
- The final proof for DNA as the genetic material came from the experiments of
- Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as...
- Which of the following options gives the correct sequence of events during mitosis?
- During DNA replication, Okazaki fragments are used to elongate
- A dioecious flowering plant prevents both:
- A temporary endocrine gland in the human body is
- Match the following sexually transmitted diseases (Column - I) with their causative agent (Column - II) and select the correct...
- Transplantation of tissues/organs fails often due to non-acceptance by the patient's body. Which type of immune-response is...
- An example of colonial alga is
- Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?
- The process of separation and purification of expressed protein before marketing is called
- Viroids differ from viruses in having :
- Root hairs develop from the region of
- Coconut fruit is a
- Which one of the following is related to Ex-situ conservation of threatened animals and plants?
- DNA fragments are
- Capacitation occurs in