6-bacteria reproduce by……, Budding, Sporogony, Regeneration, Binnary fission, 7-the energy source for all stars……, Nuclear reaction, Chemical reaction , Burning gases, moving stars , 8-within minutes after big bang helium gas was formed by , 75%, 55%, 65%, 25%, 9-the sun was born after about …..million years from the Big Bang, 3000, 2000, 10000, 15000, 10-…….is used to correct the short sightedness , Convex lense, Convex mirror, Concave lense, Concave mirror, 23pairs of choromosomes containing, Chromatides, Centromere, 5-tetrad consists of ……..chromosom, 2, 4, 6, 8, 4-……are not divided at all, Skin cells, Liver cells, Nervecells, Stomach cells, 3- if the chromosomal number in male gamete of an organism is 20 so the 3- if the chromosomal number in male gamete of an organism is 20 so the chromosomal number in liver cell equals….. , 5, 10, 20, 40, 2-the number of chromosomes in pollen grains is …….the number of chromosomes in female ovum, Half, Double, Equal to, Quarter, 13-if the focal length of a concave mirror is 5cm so its diameterequals...... , 5cm, 10cm, 15cm, 20cm, 12-the parental individual disappears in case of reproduction in………, Yest, Starfish, Hydra, Amoeba, 11-the changes that occur in the ……of mitotic division are called adverse changes , Interphase, Prophase, Telophase, The real image is always , Smaller, Inverted, Upright, Magnefied, 15-crossing over phenomenon happens in………., Telophase , Anaphase , Metaphase, Prophase , 17-the focal length of spherical mirror is ………., Equal, Half, Quarter, Double, 16-chromosomes are found in the……., Vacuole , .Mitochondria, Nucleus , Green plastids .

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