Đang tải... (xem toàn văn)
Với Đề thi học kì 2 môn Sinh học lớp 8 năm 2019-2020 có đáp án - Trường THCS Nguyễn Gia Thiều sẽ giúp các bạn học sinh ôn tập củng cố lại kiến thức và kỹ năng giải bài tập để chuẩn bị cho kỳ thi sắp tới đạt được kết quá mong muốn. Mời các bạn tham khảo.
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Điểm Cung cấp đủ lượng thịt (hoặc trứng, sữa) rau tươi Cung cấp muối (hoặc nước chấm) vừa phải Nên dùng muối Iốt Trẻ em cần tăng cường muối canxi (ăn bổ xung sữa, nước xương hầm) Chế biến hợp lý để chống vitamin nấu ăn - Mang thai tuổi có nguy tử vong cao vì: + Dễ sảy thai, đẻ non + Con đẻ thường nhẹ cân, khó ni dễ tử vong + Nếu phải nạo dễ dẫn tới vơ sinh dính tử cung, tắc vịi trứng, chửa ngồi - Có nguy phải bỏ học, ảnh hưởng tới tiền đồ nghiệp Học sinh: - Tránh quan hệ tình dục lứa tuổi học sinh, giữ tình bạn sáng lành mạnh để không ảnh hưởng tới sức khỏe sinh sản, tới học tập hạnh phúc gia đình tương lai - Hoặc phải bảo đảm tình dục an tồn (khơng mang thai khơng bị mắc bệnh lây truyền qua quan hệ tình dục) cách sử dụng bao cao su 1 - Không tiêm chích ma túy, khơng dùng chung kim tiêm, kiểm tra máu trước truyền - Sống lành mạnh, chung thủy vợ chồng - Người mẹ bị AIDS không nên sinh ... phải bỏ học, ảnh hưởng tới tiền đồ nghiệp Học sinh: - Tránh quan hệ tình dục lứa tuổi học sinh, giữ tình bạn sáng lành mạnh để khơng ảnh hưởng tới sức khỏe sinh sản, tới học tập hạnh phúc gia đình... ···················································································································································· ĐÁP ÁN SINH I Trắc nghiệm : Câu 10 Đáp B án D D A D B B D C D II Tự luận : Câu Nội dung - Điểm Cung cấp đủ lượng thịt (hoặc trứng, sữa) rau... nấu ăn - Mang thai tuổi có nguy tử vong cao vì: + Dễ sảy thai, đẻ non + Con đẻ thường nhẹ cân, khó ni dễ tử vong + Nếu phải nạo dễ dẫn tới vô sinh dính tử cung, tắc vịi trứng, chửa ngồi - Có nguy