Vidyaar

Q150.Smoking increases the risk of which blood-vessel-related disease? [RRB Group D 2025 cycle (held 25 Aug 2026, Shift 3) — 2026] (a) …

Q50. Plant disease pathogens may be carried from one plant to another by which media? [RRB Group D — 09 February 2026, …

Q50. A rare genetic disorder makes the hard matrix of bone less rigid, leading to frequent fractures. Which explanation is most likely? …

Q40. A chronic infection is caused by a eukaryote with a chitinous cell wall that produces spores. Which organism is implicated? [RRB …

Q80. Which disease–category pairing is incorrect? [UPSC CDS-I 2026, General Knowledge] Answer: (C) Dengue — non-viral Explanation: Dengue is caused by dengue …

Q80. Which pairing of a disease with its causative category is incorrect? [UPSC CDS (I) 2026] (A) Polio — viral (B) Athlete’s …

Q70. Which of the following combinations correctly describes economic botany? [UPSC CSE — Practice] Answer: (B) Study of economically useful plants and …

Q50. What do the ovary and the ovule generally develop into after fertilisation in a flowering plant? [RRB Group D, 4 February …

Q30. Which of the following plant growth regulators is used as a herbicide? [RE-NEET 2026] (A) 2,4-D (B) Kinetin (C) Abscisic acid …

Q50. Which statement accurately describes photosynthesis in green plants? [RRB NTPC (Graduate), CBT-I — 25 March 2026] (A) It occurs mainly in …