Biology questions
20584 published questions with worked solutions.
- With respect to angiosperms, identify the incorrect pair from the following [K CET 2014]
- An angiosperm male plant with 24 chromosomes in its pollen mother cells is crossed with female plant bearing 24 chromosomes in...
- Select the correct statements from the following I. Endosperm is generally triploid in angiosperms II. All angiosperms have...
- In angiosperm, which of the following part is triploid? [MH-CET 1999]
- Self-incompatibility means
- Seeds are called products of sexual reproduction because they
- Young pollen is
- Commonly in a mature fertilized ovule n, 2n and 3n condition is respectively found in
- Which is the most logical sequence with reference to the life cycles of an angiosperm?Not in NEET syllabus
- Find out the correct sequence of events taking place in pollen-pistil interaction i. Pollen tube enters one of the synergids and...
- Which of the following statements regarding asexual reproduction are correct? (i) It is uniparental (ii) The offsprings produced...Not in NEET syllabus
- Which of the following statements are correct about runner? (i) It develops from the lower axillary bud of stem (ii) It does not...
- Which of the following shows entomophilous pollination?
- Which of the following statements are incorrect about micropropagation? (i) Root apical meristem is used as an explant (ii) Many...Not in NEET syllabus
- Which of the following is not an adaptation for entomophily?
- If the haploid number in a flowering plant is 14. What shall be the chromosomes in integuments, antipodal cells, embryo,...
- Polygonum type embryosac has ______ antipodal cells
- Ubisch bodies are secreted by
- Sporopollenin, a chemical substance is found in
- Pollen tablets are available in the market for