Question

INSTRUCTIONS :

8 Q.1 to Q.7 are one mark question. (Very short answer / MCQ)

8 Q.8 & Q.9 are is two marks question, to be answered in about 30 words.

8 Q.10 & Q.12 are three marks questions, to be answered in about 50 words.

8 Q.13 & Q.14 are five marks questions, to be answered in about 70 words.

1. Zygote develops into a/an

(1) embryo (2) stamens (3) pistil (4) none of these

2. Deforestation can cause

(1) soil erosion (2) landslide (3) flooding (4) all of these

3. Reproduction or propagation by stem is common in

(1) sweet potato (2) bryophyllum (3) ginger (4) dahlia

4. In plants,materials are transported through

(1) only xylem (2) xylem and phloem (3) only phloem (4)root hair

5. Which of the following organism performs anaerobic respiration?

(1) Skin cells (2) Yeast (3) Algae (4)Plants

6. What are the end products of anaerobic respiration in muscle cells?

7. Name the different components of blood.

8. How are plants benefited by seed dispersal?

9. Explain the uses of Forest.

10. Explain blood circulation in heart.

11. Explain the mechanism of breathing in humans.

12. What will happen if forests disappear?

13. Explain the excretory system with a well labeled diagram.

14. Explain human respiratory system with a well labeled diagram. OR

Explain the asexual methods of reproduction - budding, pragmentation and spore formation.



if you answer all of the questions right and according to the instructions then I will make you the brainist I promise​

Answer 1

Answer:

1. Embryo

2. All of these

3. Sweet potato

4. only xylem

5. Yeast

Hopes it will help you.

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