General Knowledge on Biology

(Click on suggested Options to select the answer \| Color Red means : Wrong & Green Means: Correct)
171. Which of the following will from a new species ? A. Interbreeding B. Random mating C. Connecting links D. Variations Check Answer \| Discussion 172. The word "Taxonomy" was coined by A. C Linnaeus B. Theophrastus C. De Candolle D. Lamarck Check Answer \| Discussion 173. Which of the following hormones given below regulate the calcium level in our blood ? A. Enterokinin B. Parathormone C. Secretin D. Thyroxine Check Answer \| Discussion 174. What is the cause of Addison's disease? A. Hypersecretion of Gonads B. Hypersecretion of thyroid glands C. Hypersecretion pituitary gland D. Hypersecretion of adrenal gland Check Answer \| Discussion 175. Agar-agar from the cell wall of red alga, Gracilaria sp. is composed of A. galactose B. mannose C. fructose D. sucrose Check Answer \| Discussion 176. RNA differs from DNA in having A. thymine B. adenine C. uracil D. guanine Check Answer \| Discussion 177. The acidic character of DNA and RNA are due to A. purine bases B. pyrimidine bases C. sugar fragments D. phospheric group Check Answer \| Discussion 178. Which of the following vitamins is required for the maturation of erythrocytes in human beings? A. Vitamin A B. Vitamin B12 C. Vitamin D D. Vitamin B5 Check Answer \| Discussion 179. Which of the following gland atrophies at the age of 15-17 years in man? A. Thymus gland B. Thyroid gland C. Pancreas D. Pitutiary gland Check Answer \| Discussion 180. Plants genes of endangered species are stored in A. gene library B. gene bank C. herbarium D. None of these Check Answer \| Discussion
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General Knowledge on Biology

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