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Merit Box

This document is a practice assignment based on Chapter 1 about leaves, covering various aspects such as naming, defining, differentiating, and describing modifications of leaves. It includes questions on functions of leaves, fill-in-the-blanks, one-word answers, and a word scramble related to the chapter. The assignment aims to test knowledge and understanding of leaf structure and functions.

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Mrinmoy Kar
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22 views1 page

Merit Box

This document is a practice assignment based on Chapter 1 about leaves, covering various aspects such as naming, defining, differentiating, and describing modifications of leaves. It includes questions on functions of leaves, fill-in-the-blanks, one-word answers, and a word scramble related to the chapter. The assignment aims to test knowledge and understanding of leaf structure and functions.

Uploaded by

Mrinmoy Kar
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Practice Assignment 1

(Based on Chapter 1 — The Leaf)

1. Name the following :


(a) The flat green structure arising from the node of a stem.
(b) The pigment which gives green colour to the leaves.
(c) The tiny pores on the surface of leaves.
(d) Stalk of a leaf.
2. Define the following :
(a) Leaf (b) Transpiration (c) Venation (d) Simple leaf (e) Compound leaf
(f) Reticulate venation (g) Parallel venation (h) Phyllotaxy (i) Vegetative propagation
3. Differentiate between the following :
(a) Simple leaf and compound leaf
(b) Reticulate venation and parallel venation
(c) Spines and Tendrils
4. Describe the modifications found in the following plants :
(a) Prickly pear (b) Sweet Pea (c) Pitcher plant
5. Answer the following questions :
(a) What are the main functions of a leaf? (b) Name a plant in which leaves are reduced to spines.
6. Fill in the blanks :
(a) Leaves are green as they contain ............................................
(b) In pitcher plant, ........................................... are modified for trapping insects.
(c) Some leaves have patches of white or yellow or red colour. Such leaves are called ............................. leaves.
(d) The stalk of a compound leaf is called ............................................
(e) Leaves of banana show ........................................... venation.
7. Give one-word for the following :
(a) The flat green part of a leaf. (b) The arrangement of veins in a leaf.
(c) The arrangement of leaves on the stem.
8. Here is the picture of a leaf. Study the picture and label the different parts in the blank lines drawn as 1,
2, 3 and 4.
(a) (1) ........................................... 4
2
(2) ...........................................
(3) ...........................................
(4) ........................................... 3
1
(b) Which part makes food?

9. Word Scramble :

Unscramble each of the following to form a word or term that you have read in this chapter.
(a) NATIVEON (b) FELA (c) NALAIM (d) RIMIDB

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