Vidyaar

50. Which process is involved in the light-independent reactions of photosynthesis? [UPSC CDS-II, General Knowledge (13 Sep 2026)] Answer: (A) Calvin cycle …

Q40. Which organ sheds its inner lining during menstruation? [RRB Technician Grade III — 9 October 2026] (A) Fallopian tube (B) Uterus …

Q80. Which element is essential for the thyroid gland to synthesise thyroxine? [RRB Group D, 18 August 2026, Shift 1 (memory-based paper)] …

50. Which statement about nervous tissue is incorrect? [RRB Group D (9 Aug 2026, Shift 1; 2025 recruitment cycle)] Answer: (D) The …

Q40. Which structures in the human kidney remove soluble nitrogenous wastes from the blood? [SSC MTS 2025 Cycle (held 11 February 2026)] …

80. Oxygen in human blood is chiefly carried by binding to which pigment? [RRB Group D — 21 August 2026, Shift 2] …

Q80. Which of the following properties of alveoli is/are helpful in gaseous exchange during respiration in human beings? I. Very thin epithelial …

Q170. Why must vitamins A and K be maintained adequately in broiler poultry feed? [RRB JE CBT-I, 20 Feb 2026, Shift 1] …

70. Carbohydrate digestion begins in the mouth. Where is it completed? [RRB Group D (18 Aug 2026, Shift 3)] Answer: (b) Small …

60. Which of the following elements of the human skeletal framework is classified as the smallest individual bone in the human body? …