Bài kiểm tra 45 phút môn Sinh học Lớp 8 - Năm học 2018-2019 - Trường THCS Đồng Lạc (Có đáp án)
I. TRẮC NGHIỆM( 3ĐIỂM)
Câu 1(1,5 điểm). Điền dấu x vào bảng cho phù hợp
Canxi Sắt Iốt
1. Là thành phần chính trong xương, răng
2. Là thành phần không thể thiếu trong hoocmôn tuyến giáp
3. Là thành phần cấu tạo trong hemoglobin trong hồng cầu
Câu 2 ( 1,5 điểm): Cho các cụm từ
1. Đơn vị chức năng.
2. Bài tiết tiếp
3. Hấp thụ lại. 4. Nước tiểu chính thức.
5. Nước tiểu đầu.
6. Lọc máu.
Hãy điền vào chỗ trống trong đoạn dưới đây cho phù hợp? (chỉ cần điền số tương ứng với cụm từ)
Nước tiểu được tạo thành ở các.của thận. Bao gồm quá trình.ở cầu thận để tạo thành., quá trình. các chất cần thiết, quá trình.ở ống thận để tạo thành.để thải ra ngoài.
II. TỰ LUẬN ( 7ĐIỂM)
Câu 3 (1điểm)
Hiện nay có nhiều bạn trẻ lạm dụng son phấn để trang điểm, nhuộm tóc, săm da, nhổ lông mày. Theo em việc làm của các bạn có ảnh hưởng đến da hay không? Vì sao?
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