January 2015

67. One of the following is most suitable for study of mutations A.     Haploids    B.     Diploids C.     Tetraploids    D.     Polyploid Answer & Explanation Answer: Option A […]

61. Most common disease of poultry in India is A.     fowl pox B.     tick fever C.     ranikhet D.     coryza Answer & Explanation Answer: Option C Explanation:

55. Radioactivity is a phenomenon of the spontaneous emission of A.     protons (alpha particles) B.     electrons (beta particles) C.     gamma rays (short wave electromagnetic waves) D.   

43. Monotremes are unique mammals because they A.     posses hair B.     give birth to live young C.     secret milk in a pouch D.     lay eggs Answer

49. Photosynthesis is a process A. reductive and exergonic B. reductive and catabolic C. reductive, endergonic and catabolic D. reductive, endergonic and anabolic Answer & Explanation Answer: Option D Explanation:

43. Monotremes are unique mammals because they A.     posses hair B.     give birth to live young C.     secret milk in a pouch D.     lay eggs Answer

37. Plants developing in dry conditions are A.     xerophytes    B.     mesophytes C.     lithophytes    D.     hydrophytes Answer & Explanation Answer: Option A Explanation: No answer description available

31. out of proteins, lipids and carbohydrates present in a cell membrane, what is true? A.     Lipids are maximum B.     Carbohydrates are minimum C.     Carbohydrates are maximum

25. O2 released in the process of photosynthesis comes from A.     CO2    B.     water C.     sugar    D.     pyruvic acid Answer & Explanation Answer: Option B Explanation:

19. Photosynthesis takes place faster in A.     yellow light B.     white light C.     red light D.     darkness Answer & Explanation Answer: Option B Explanation: No answer

13. Plants absorb most part of water needed by them through their A.     embryonic zone B.     growing point C.     root hairs D.     zone of elongation Answer

7. Photosynthesis generally takes place in which parts of the plant? A. Leaf and other chloroplast bearing parts B. steam and leaf C. Roots and chloroplast bearing parts D. Bark

1. Ordinary table salt is sodium chloride. What is baking soda? A.     Potassium chloride B.     Potassium carbonate C.     Potassium hydroxide D.     Sodium bicarbonate Answer & Explanation