Question

What are weeds?

April 29, 2024

Answer

Unwanted plants that grow in a field are called weeds.

💡 Some Related Questions

Is a mango sapling a herb (it has a green stem like herbs)? Give reasons to support your answer.

Rahul tries to pull out a grass and a rose plant from the soil. Which one will he be able to pull out more easily and why?

Given below is a diagram of a flower. Study it carefully and label the parts as indicated.

Identify the wrong statements and correct them. (i) Anther is a part of the pistil. (ii) The visible parts of a bud are the petals. (iii) Lateral roots are present in a tap root. (iv) Leaves perform the function of transpiration only.

Observe the picture of an activity given below carried out with leaves of plants and polythene bag.

Now answer the following: (i) Which process is demonstrated in the activity? (ii) When will this activity show better results—on a bright sunny day or a cloudy day?(iii) What will you observe in the polythene bag after a few hours of setting up the activity? (iv) Mention any one precaution you must take while performing this activity.

Observe the figure given below and attempt the questions that follow it.

(i) Label the parts (a), (b), (c) and (d) in the diagram.
(ii) What type of venation does the leaf has?
(iii) What type of venation is seen in grass leaves?

Read the function of parts of a plant given here: (a) Fixes plant to the soil (b) Prepares starch (c) Takes part in reproduction (d) Supports branches and bears flowers In the given diagram, write the names of the parts whose functions you have just read at the appropriate space.

Draw a well labelled diagram showing different parts of pistil.

Write three functions of the leaf.

How are plants classified on the basis of their? (i) life span? (ii) form?