Đề thi học kì I năm học 2010 - 2011 môn: Công nghệ 7

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ĐỀ THI HỌC KÌ I
NĂM HỌC 2010-2011
MÔN: Công nghệ 7
Thời gian: 45 phút (không kể thời gian phát đề)
Câu 1: Hãy sắp xếp các loại phân bón dưới đây vào các nhóm thích hợp theo mẫu bảng sau: (2 đ)
a. Phân lợn	b. Cây muồng muồng	c. phân trâu, bò	d. Urê	e.DAP (phân bón chứa N, P); f. Nitragin (chứa vi sinh vật chuyển hóa đạm)	g. Supe lân	h. Bèo dâu.
Nhóm phân bón
Loại phân bón
Phân hữu cơ
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Phân hóa học
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Phân vi sinh
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Câu 2: Phân hữu cơ, phân lân thường dùng để bón lót hay bón thúc ? vì sao ? (2 đ)
Câu 3: Thế nào là tạo giống cây trồng bằng phương pháp chọn lọc ? thế nào là phương pháp lai tạo giống ? (3 đ)
Câu 4: Hãy nêu những nguyên tắc trong phòng trừ sâu, bệnh hại ? Tại sạo lại lấy nguyên tắc phòng là chính để phòng trừ sâu, bệnh hại ? (1.5 đ)
Câu 5: Hãy nêu các công việc làm đất và tác dụng của từng công việc ? (1.5)
Bài làm
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