saniya3993 Asked: December 2022 Select the correct statement from among the followiga) Tendril of a pea plant and phylloclade of opuntia are homologousb) Tendril of
saniya3993 Asked: December 2022 Which of the following elements will form an acidic oxide?a) An element with atomic number 7b) An element with atomic number 3c)
saniya3993 Asked: December 2022 3 the substance that is oxidized in the following chemical reaction ismno 4hci mncl 2h2o cia
saniya3993 Asked: December 2022 an example of polyfunctional compound isa glycineb ethanaminec ethanold methanal
saniya3993 Asked: December 2022 the oxide of very reactive metals are reduced to metals bya electrolytic reductionb heating with carbonc heating with aluminiumd liquation
saniya3993 Asked: December 2022 4. Which of the following are present in a dilute aqueous solution of hydrochloric acid? + -a) H O and Cl 3
saniya3993 Asked: December 2022 the minimum number of carbon atoms that should be present in hydrocarbon for isomerisma 2b 4c6d8
saniya3993 Asked: December 2022 which among the following is the correct path of urine flow in our body a kidney ureter urethra urinary
saniya3993 Asked: December 2022 in which period of the periodic table is an element with atomic number 20placeda 4b 3c 2d 1
saniya3993 Asked: December 2022 Sodium carbonate is a basic salt because it is a salt ofa) Strong acid and strong base b) Weak acid and weak basec) Strong acid
saniya3993 Asked: December 2022 sic sic this chemical reaction is an example fora exothermic reactionb endothermic reactionc dissociation reactiond displacement reaction
saniya3993 Asked: December 2022 Observe the following equations and identify the correct statement i) CuSO +Fe = FesO +Cu 4 4 ii) 2AgNO +Cu =
saniya3993 Asked: December 2022 which of the following is an endothermic reaction 1) dilution of sulphiric acid 2) sublimation of dry ice 3)condensation
saniya3993 Asked: December 2022 A disadvantage of natural vegetative propagation is that ita) lacks dispersal mechanisms for propagationb) does not involve production of gametes &
saniya3993 Asked: December 2022 The enzyme amylase present in the salivaa) Converts glucose to starchb) Converts proteins to amino acidc) Converts starch to maltosed) Converts starch
saniya3993 Asked: December 2022 In a circuit, there are two unequal resistance in parallel arrangement. Nowa) both resistances carry the same currentb) higher current flows through
saniya3993 Asked: December 2022 during electrolytic refining of zinc pure metala gets deposited on cathodeb gets deposited on anodec is deposited on both cathode and anoded remains in the solution
saniya3993 Asked: December 2022 Which of the following limits the number of trophic levels in a food chain?a) Decrease in energy at higher trophic levelsb) Deficient food supplyc) Polluted
saniya3993 Asked: December 2022 The pH values of four solutions P, Q, R and S are 7.8. 1.0.13.0 and 1.4respectively. The solution having highest hydrogen
saniya3993 Asked: December 2022 In the food chain given, suppose the amount of energy of fourth trophiclevel is 5kJ, what will be the energy available at the producer level.Grass
saniya3993 Asked: December 2022 in reflex action the reflex arc is formed bya brain spinal cordb receptor spinal cord effectorc muscles receptor brain d effector spinal cord receptor
saniya3993 Asked: December 2022 Across a period of the modern periodic table, the atomic size of elementsdecreases due toa) decrease in nuclear force of attractionb) Increase in nuclear