1) The repeat division of cells present in walls of tubules of testes by mitosis leads to the formation of a. diploid spermatogonia b. haploid spermatogonia c. diploid primary spermatocytes d. diploid secondary spermatocytes
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2) After the completion of meiosis-I in primary oocytes, the number of haploid cells produced is a. 8 b. 6 c. 2 d. 4
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3) The kind of fission in which daughter cells from a single parent are formed at the same time is called a. octagon fission b. hexagon fission c. multiple fission d. binary fission
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4) The embryo of the angiosperm seeds consists of a. radicle b. Plumule c. cotyledons d. all of above
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5) The acidity of sperms is neutralized by a. testis b. epididymis c. vas deferens d. prostate gland
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6) The water, birds, bees, winds and other animals are all the agents of a. self pollination b. nuclei pollination c. ovule pollination d. cross pollination
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7) Fish and amphibians show fertilization that is a. internal b. external c. complete d. incomplete
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8) The main aim of Pakistan's federal minister is the reduction of a. Human Immunodeficiency Virus (HIV) b. acquired immunodeficiency syndrome (AIDS) c. Tuberculosis d. Sexually Transmitted Diseases (STDS)
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9) The color of the calyx is a. green b. brown c. yellow d. mustard
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10) Semen contains 10 percent sperms and 90 percent a. salts b. sugar c. fluid d. ions
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11) Mint is reproduced by a. bulbs b. corms c. stem tubers d. suckers
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12) The secretions that are responsible for the lubrication of ducts are produced by a. spermatogonia glands b. prostate glands c. Cowper's glands d. seminal glands
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13) The optimum temperature for seed germination is 25 °C to a. 30 °C b. 40 °C c. 27 °C d. 35 °C
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14) A mass of cells produce as a result of mitosis is a. cluster b. group c. calluses d. graft
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15) As a result of overpopulation, there is a loss of a. community b. ecosystem c. biome d. ecosystem
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16) The structure in the male reproductive system of rabbit which releases nutritious secretions for sperms is called a. Cowper's vesicles b. seminal vesicles c. spermatogonia vesicles d. prostate vesicles
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17) The part of the embryo of seed which develops into a new shoot is known as a. Plumule b. epicotyls c. hypocotyls d. radicle
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18) Considering the oogenesis, the larger cell produced by primary oocytes is called a. second polar body b. secondary oocyte c. territory oocyte d. first polar body
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19) The types of pollination include a. cross pollination only b. self pollination only c. self fertilization d. cross and self pollination
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20) The plants that are reproduced by the method of bulbs are a. onions and lilies b. garlic and onion c. potato and onion d. potato and yams
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