Description : In a bisexual flower, inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation. -Biology
Last Answer : Answer. Removal of stamens of a bisexual flower will not affect pollination of its intact pistil and formation of fruit. Cross-pollination has occurred leading to fertilisation.
Description : Why are the countries of the Middle East not called ‘developed’ inspite of high per capita income ? -SST 10th
Last Answer : (i) These are small countries. (ii) The gap between rich and poor is very high, (iii) Though per capita income in Middle East countries is very high but there is unequal ... Development Report brought out by the World Bank has excluded these countries from the list of developed countries.
Description : Why are countries of the Middle East not called ‘developed’ inspite of high per capita income? -SST 10th
Last Answer : Although countries of Middle East are very rich countries due to oil reserves and production, money alone is not an indicator of development. Along with money there are other aspects ... social aspects like individual freedom, democracy, gender equality which are not available in those countries.
Description : Many globular proteins are stable in solution inspite they lack in (A) Disulphide bonds (B) Hydrogen bonds (C) Salt bonds (D) Non polar bonds
Last Answer : Answer : A
Description : Pick up the correct statement from the following: (A) Mistakes arise from inattention, inexperience or carelessness (B) Systematic errors persist and have regular effects in the survey performances (C) Accidental errors occur inspite of every precaution is taken (D) All the above
Last Answer : (D) All the above
Description : As a new teacher the first professional responsibility you must meet is to (a) Change the curriculum in the light of your training (b) Co-operate with your fellow teacher inspite of differences (c) Ascertain and follow the procedures of your predecessor (d) None of the above
Last Answer : (b) Co-operate with your fellow teacher inspite of differences
Description : The first professional responsibility you must meet as a new teacher is to Options: A) Change the curriculum in the light of your training B) Seek to enrich the educational philosophy of ... Co-operate with your fellow teachers inspite of differences D) Change your mind as the conditions permit
Last Answer : C) Co-operate with your fellow teachers inspite of differences
Description : Suppose a teacher has short height. It creates an obstacle in utilizing the black-board in a justifiable manner. Therefore, the students cannot follow the lessons inspite of utmost care taken by ... a complaint with the principal D) Collect donations from his student to reconstruct the black-board
Last Answer : You suggest him to make a temporary platform of bricks with the help of students
Description : How could you accommodate with your age-old parents, inspite of the fact that they always complain for their difficulties for no apparent reasons Options: A) You will feel sorry but not ... the genuine problems due to senility D) Do favourable efforts to find out remedies for their troubles
Last Answer : C) You will focus your attention on the genuine problems due to senility
Description : If your colleague deliberately neglect you inspite of your courteous invitation, the reasonable cause of it may be Options: A) Withdrawal due to inferiority complexes B) A voidance due to feelings of superiority C) Rivalries in relation to professional dignity D) Personal conflicts in family
Last Answer : D) Personal conflicts in family
Description : The animal that do not develop hypertension inspite of heavy intake of salt is: (1) Sheep (2) Buffalo (3) Tiger (4) Camel
Last Answer : Camel
Description : Give reason: Silicon is used widely even through Germanium is a better semiconductor material.
Last Answer : Silicon is the second most abundantly available material and it can be used at higher temperature. Hence it widely used than Germanium.
Description : Give reason for the following observation (L-III) (a)- The tendency for catenation decreases down the group in group 14 (b)- The decreasing stability of+3 oxidation state with increasing atomic no. in group 13. (c)- Molten aluminum bromide is a poor conductor of electricity.
Last Answer : Ans. -(a) it is due to decrease in bond dissociation energy which is due to increase in atomic size C-C > Si-Si >Ge-Ge>Sn-Sn>Pb-Pb. (b)- It is due to inert pair effect. (c)- Molten AlBr3 is poor conductor of electricity because it is covalent compound.
Description : Give reason: a) 14th group electrons are semiconductors except carbon.
Last Answer : a) 14th group electrons are semiconductors except carbon.The valence electrons have a low energy that they cannot become free by absorbingnormal energy from the surroundings. b) Silicon is ... same 4 valence electrons but silicon can be used at highertemperatures, cheaper and abundantly available.
Description : The first element of 14 th group is carbon, which is a non-metal. The metallic members of this group are
Last Answer : tin and lead
Description : How carbon differ from rest of the elements of group 14?
Last Answer : Ans. Catenation and tetra valency.
Description : Classify each of the following as being either a p-type or an n-type Semiconductor.
Last Answer : (a) Ge dopped with In----p-type. (b) B dopped with Si----n-type.
Description : In radiocarbon dating the carbon -14 levels in the object being dated are compared with?
Last Answer : In radiocarbon dating, the carbon-14 levels in the object beingdated are compared with _____.
Description : In radiocarbon dating the carbon-14 levels in the object being dated are compared with .?
Description : When a semiconductor is doped with a P-type impurity, each impurity atom will (A) acquire negative charge. (B) acquire positive charge. (C) remain electrically neutral. (D) give away one electron.
Last Answer : (A) acquire negative charge.