Q. 1 ABCDE FGHIJ KLMNO PQRST UVWXY Which will be the ...

[1]Both umbra and penumbra willgrow in size[3]Penumbra will grow, and umbrawill decrease in size.[2]Only penumbra will grow in size,and umbra will remain the same.[4]Umbra will increase, andpenumbra will grow in sizeQ. 39 When an iron rod is heated at one end, the heat reaches the other endafter a while. This form of transfer of heat is called ---[1]Convection[2]Explosion[3]Radiation[4]ConductionQ. 40 Which of the following is not a correct statement?[1] When sufficient heat is given to [2] When heat is taken away fromiron, it melts.frozen coconut oil, it melts.[3] When heat is taken away fromwater, it becomes ice.Q. 41 What is a system of life processes?[1]A group of tissues collectivelyperforming a single function[3]A group of living things creating aspecific environmentQ. 42 What is a zygote?[1]A kind of pollen[3]A fertilized cell[4] When heat is given to water, itbecomes vapour.[2]A group of cells performing asingle function[4]A group of organs jointly carryingout a certain function[2]Androecium[4]The ovaryQ. 43 Sometimes seriously ill people are put on oxygen because ---[1] they cannot breathe for[2] they need more oxygenthemselves[3] their blood contains a dangerous[4] None of theseamount of carbon dioxideQ. 44 What do bats “see” with?[1]Ear[3]Eye[2]Nose[4]Hair on the bodyQ. 45 Sound travels through a wooden partition but can not travel througha glass partition because .............[1] wooden partition is porous [2] wooden partition can vibrate[3] wooden partition is lighter[4] None of thesein weight