下册期末考试题（Next, the final exam）.doc

下册期末考试题（Next, the final exam） The final exam of the eighth grade Zhang shuo, a branch of princess ridge, jilin province Item no. a The second three four Total score Get points (2 points for each question, 50 points total) In August 2005, the international federation of chimpanzee gene sequencing and analysis announced that chimpanzees are genetically similar to humans in more than 96 percent. This case is that -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- () A. biology has the characteristics of heredity and variation b. the common ancestor of humans and chimpanzees is the forest australopithecus C. Humans and chimpanzees have a closer affinity. Humans evolved from chimps over a long period of time 2. At present, some places have taken planting mulberry raising silkworm as an important measure to adjust the structure of agricultural industry and increase the income of farmers, and have achieved good results. The following statement about the growth and development of the silkworm, the right thing to say is -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- A. sexual reproduction, complete metamorphosis b. sexual reproduction, incomplete metamorphosis C. Asexual reproduction, complete metamorphosis D. Asexual reproduction, incomplete metamorphosis 3. The development of locusts must be experienced in the three periods of egg, larva and adult, and the difference between nymph and adult is mainly manifested in -- (). A. If the worm is small, the reproductive organs are not mature b. if the worm is small, it has no wings and no exoskeleton C. Nymphs are relatively small, and reproductive organs mature D. Nymphs are small, winged and have exoskeletons 4. Insects and our human relationship is very close, on account of the following is wro