Biology

1. The number of Chromosomes present in man A) 46 B) 44 C) 48 D) 23 2. How is night blindness cured ? A) By using convex lenses B) By using concave lenses C) By using contact lenses D) By eating carrots which contain carotene 3. Why are dogs used to detect criminals ? A) […]

Biology

1. Hybrid varieties of seeds are A) breed from two plants of different varieties B) always high yielding C) breed from transplantation D) vulnerable to disease 2. “One of the vitamins which is required to help in blood clotting” A) Vitamin K B) Vitamin D C) Vitamin C D) Vitamin E 3. “How does a […]

Biology

1. The most intelligent animal is A) Monkey B) Man C) Chimpanzee D) Bird 2. In living organisms the water acts as A) Diluting agent B) Physiological solvent C) Lowers body temperature D) None of the above 3. “Plants stop both respiration and photosynthesis sometimes during” A) Night B) Twilight C) Daytime D) Dawn 4. […]

Biology

1. Guard cells are present in A) phloem B) salt glands C) stomata D) xylem tissue 2. Which of the following is called “Sea lettuce”? A) Ulva B) Polysiphonia C) Sargassum D) Batrachospermum 3. Mangroves are N4 hydrophytic plants A) hydrropytic plant B) halophytic trees C) fruit bearing trees D) fresh water algae 4. In […]

Biology

1. “Which one of the following is a water soluble vitamin ?” A) Vitamin D 2 B) Vitamin D3 C) Vitamin A D) Ascorbic acid 2. “Which one of the following is not a function of liver ?” A) Production of insulin B) Breakdown of red blood cells C) Synthesis of glycogen D) Production of […]

Biology

1. “Which of the following has the shortest gestation period ?” A) Goat B) Cow C) Buffalo D) Camel 2. The bamboo flowers after attaining the age of A) 3 years B) 12 years C) 10 years D) 48 years 3. How do Carbohydrates taste ? A) Sweet B) Bitter C) Minty D) Sour 4. […]

Biology

1. “In which of the following atmospheric conditions can seeds be preserved best ?” A) Cool and dry B) Cool and wet C) Hot and dry D) Hot and wet 2. “An egg sinks in tap water, but floats in a concentrated solution of salt, because” A) “the egg absorbs salt from the solution and […]

Biology

1. father of Medicine A) Heapocratus B) Galen C) Aristole D) Theophrasitus 2. Milk is tranformed in the form of curd, due to A) Micro Bacterium B) Staphylococcus C) Yeast D) Lacto Bacillus 3. The First heard transplantation was performed by A) William Harbe B) Louis Pasteur C) F.G. Hafkin D) Christer Banard 4. What […]

Biology

1. Diagnosis of typhoid is done by A) ESR B) ELISA Test C) Widal Test D) DLC 2. What is the average weight of the lungs of a healthy man? A) 10kg B) 0.5kg C) 0.91kg D) 2.5kg 3. To which group of plants does the Banyan Tree belong? A) Angiosperms B) Gymnosperms C) Petridophytes […]