SINH HỌC

Quiz

•

Biology

•

11th Grade

•

Easy

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Used 6+ times

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40 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vai trò chủ yếu của axit abxixic (AAB) là kìm hãm sự sinh trưởng của

Cành, lóng, làm mất trạng thái ngủ của chồi, của hạt, làm khí khổng đóng

Cây, lóng, trạng thái ngủ của chồi, của hạt, làm khí khổng mở.

Cành, lóng, gây trạng thái ngủ của chồi, của hạt, làm khí khổng đóng.

Cành, lóng, làm mất trạng thái ngủ của chồi, của hạt, làm khí khổng mở.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mô phân sinh là?*

Nhóm tế bào chưa phân hóa, không có khả năng phân chia tạo tế bào mới trong suốt đời sống thực vật.

Nhóm tế bào phân hóa, có khả năng phân chia tạo tế bào mới đến khi thành cây con.

Nhóm tế bào chưa phân hóa, có khả năng phân chia tạo tế bào mới trong suốt đời sống thực vật.

Nhóm tế bào phân hóa, không có khả năng phân chia tạo tế bào mới trong suốt đời sống thực vật.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sinh trưởng và phát triển có mối quan hệ với nhau như thế nào?

Trong vòng đời của sinh vật, các giai đoạn sinh trưởng và phát triền diễn ra đan xen với nhau. Sinh trưởng gắn với sinh sản và phát triển dựa trên cơ sở của sinh trưởng. Do đó, nếu không có sinh trưởng sẽ không có phát triển và ngược lại.

Trong vòng đời của sinh vật, các giai đoạn sinh trưởng và phát triền diễn ra đan xen với nhau. Sinh trưởng gắn với phát triển và phát triển dựa trên cơ sở của giảm phân. Do đó, nếu không có sinh trưởng sẽ không có phát triển và ngược lại.

Trong vòng đời của sinh vật, các giai đoạn sinh trưởng và phát triền diễn ra cùng một lúc. Sinh trưởng gắn với phát triển và phát triển dựa trên cơ sở của sinh trưởng. Do đó, nếu không có sinh trưởng sẽ không có phát triển và ngược lại.

Trong vòng đời của sinh vật, các giai đoạn sinh trưởng và phát triền diễn ra đan xen với nhau. Sinh trưởng gắn với phát triển và phát triển dựa trên cơ sở của sinh trưởng. Do đó, nếu không có sinh trưởng sẽ không có phát triển và ngược lại.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hormone ở thực vật được chia làm mấy nhóm?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hạt lúa nảy mầm thành cây mạ, cây mạ lớn lên thành cây lúa, cây lúa trổ bông. Đây là nói về điều gì?

Sự hình thành bồn lúa.

Sự hình thành lá lúa.

Sinh trưởng và phát triển của cây lúa

Sự ra đời của cây lúa.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Phát triển là gì?

Toàn bộ những biến đổi diễn ra bên ngoài cơ thể của cá thể, gồm thay đổi về số lượng, cấu trúc của tế bào, hình thái, trạng thái sinh lý.

Toàn bộ những biến đổi diễn ra trong chu kỳ sống của cá thể, gồm thay đổi về số lượng, cấu trúc của tế bào, hình thái, trạng thái sinh lý.

Toàn bộ những biến đổi diễn ra trong chu kỳ sống của cá thể, gồm chiều cao, cân nặng.

Toàn bộ những biến đổi diễn ra bên ngoài của cá thể, gồm thay đổi chiều cao và cân nặng.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Thế nào là sinh trưởng sơ cấp

Là sự sinh trưởng của cây do hoạt động của mô phân sinh đỉnh đảm bảo cho thân và rễ dài ra cũng như hoạt động của mô phân sinh lóng giúp lóng dài ra.

Là quá trình tăng lên về số lượng tế bào.

Là sự sinh trưởng của cây do hoạt động của mô phân sinh bên đảm bảo cho thân và rễ dài ra cũng như hoạt động của mô phân sinh đỉnh giúp lóng dài ra.

Là quá trình biến đổi về chất lượng các cấu trúc và chức năng sinh hóa của tế bào làm cây ra hoa, kết quả, tạo hạt.

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