Class: 7th, General Science, Chapter: Plants : Structure and Function

 

Class: 7th, General Science, Chapter: Plants : Structure and Function

Question Paper

Subject: General Science

Chapter: Plants : Structure and Function

Class: 7th

Total Marks: 30

Time: 50 minutes.

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Q.1. Fill in the blanks: (5 Marks)

1. The part of the seed that grows towards the soil is called the ________.  
2. Thread-like or fibre-like roots arising from the stem are called ________ roots.  
3. The part of the stem between two nodes is called an ________.  
4. Green, leaf-like parts covering the flower in its bud condition are called ________.  
5. Seeds which get divided into two equal parts are called ________ seeds.  

Q.2. Match the following: (4 Marks)

Column 'A'.                        Column 'B'

1. Male reproductive part   a) Reticulate venation

2. Banyan tree.    b) Androecium

3. Peepal leaf    c) Fibrous roots

4. Onion        d) Prop roots

Q.3. State whether the following statements are True or False: (4 Marks)

• Monocotyledonous plants have tap roots.  
• The tip of the leaf is called the leaf apex.  
• Roots emerging from the stem above the soil in sugarcane are called adventitious roots.  
• Maize leaf-blade has reticulate venation.  

Q.4. Answer in one sentence: (4 Marks)

1. What is pollination?  
2. What are the two main types of leaves?  
3. Which structure protects the delicate root-tip from injuries?  
4. Name any two plants whose seeds do not divide into two equal parts.  

Q.5. Give examples: (5 Marks)

A. Give 2 examples of plants that have:

• Tap roots  
• Fibrous roots  
• Parallel venation in leaves  

B. Give 2 examples of plants that have:

• Modified roots  
• Compound leaves  

Q.6. Draw and label diagrams: (4 Marks)

• Draw a neat, well-labelled diagram of Parts of a leaf.  
• Draw a neat, well-labelled diagram showing Vertical section of a hibiscus flower.  

Q.7. Word Puzzle: (4 Marks)

Find the following 4 plant parts in the letter grid below by making a box/square around each:

||+---+---+---+---+---+

| R | O | O | T | X |

+---+---+---+---+---+

| B | S | T | E | M |

+---+---+---+---+---+

| L | E | A | F | P |

+---+---+---+---+---+

| Z | S | E | E | D |

+---+---+---+---+---+