Month: February 2019

BIOTECHNOLOGY
Q1. Rules to explain “The phenomenon of inheritance of biological characteristics” was formulated by: A) T.H.Morgan B) Gregor Johann Mendell C) Rudolf Virchow D) Bateson E) Lamark Q2. Genetic research was activated and a revolution in modern biology occurred in the year: A) 1951-53 B) 1961-63 C) 1971-73 D) 1975-71 E) 1981-83 Q3. Genetic engineering …
February 27, 2019
HOMEOSTASIS
Q1) The relationship between mineral and water is know as: A) Ascent of sap B) Osmoregulation C) Excretion D) All of them Q2) The cell sap having solution of: A) One types B) Two types C) Three types D) Four types Q3) The water potential not more than: A) 1 B) 100 C) 1000 D)…
February 19, 2019
VARIETY OF LIFE
Q1) Any attribute or descriptive phrase, referring to form, structure or behaviour of a specific organism for a particular purpose is: A) Expression B) Specificity C) Character D) Nature E) None of the above Q2) Which one of the following is an example of “Expression of character”? A) Petal length B) Stem thickness C) Corolla…
February 2, 2019
ENZYMES
Q1) Enzyme is a Greek word which means: A) in virus B) in bacteria C) in fungi D) in yeast E) in humans Q2) Who discovered that certain molecules of ribonucleic acid also function as enzymes? A) Friedrich Wilhem Kuhne only B) Friedrich and Thomas Cech C) Thomas Cech only D) Sidney Altman & Thomas…
February 1, 2019
UNITY OF LIFE
Q1) Chemically, protoplasm contains: A) 60-70% of H2O B) 30-40% of H2O C) 90-95% of H2O D) 70-90% of H2O E) 50-60% of H2O Q2) If water is evaporated, the remaining dry weight of the cell consists of: A) Carbon B) Hydrogen C) Nitrogen D) Oxygen E) Ammonia Q3) During photosynthesis, which one is used…
February 1, 2019