Ncert exemplar solutions science class 6 Solutions for Chapter 7 getting to know plants

Read the following sentences about photosynthesis.

(i) Sunlight, carbon dioxide, chlorophyll and water are necessary.

(ii) Oxygen is absorbed.

(iii) Leaves carry out photosynthesis.

(iv) Proteins are made during photosynthesis.

Choose the correct pair of sentences that are true to photosynthesis

Which of the following terms constitute the female part of the flower?

Stamen has two parts called_ and ____.

The small green leaves at the base of flowers are known as _________

The swollen basal part of the pistil is the ____ which bears the ________

The young unopened flower is termed as__.

Which of the following combination of features would you observe in grass.

Which of the following is the correct match between the characteristics of stem and the category of plant?

Which of the following is not the primary function of stem?

Which of the following is not a correct match?

Q1) Correct the following statements and rewrite them in your notebook.

(a) Stem absorbs water and minerals from the soil.

(b) Leaves hold the plant upright.

(c) Roots conduct water to the leaves.

(d) The number of sepals and petals in a flower is always equal.

(e) If the sepals of a flower are joined together, its petals are also joined together,

(f) If the petals of a flower are joined together, then the pistil is joined to the petal.

Q2) Draw (a) a leaf, (b) a tap root and (c) a flower, you have studied for Table 7.3 of the textbook.

Q3) Some changes are listed in the following table. For each change, write in the blank column, whether the change can be reversed or not.

Q3) Can you find a plant in your house or in your neighbourhood which has a long but a weak stem? Write its name. In which category would you classify it?

Q4) What is the function of a stem in a plant?

Q5) Which of the following leaves have reticulate venation? Wheat, tulsi, maize, grass, coriander (dhania), china rose.

Q6) If a plant has a fibrous root, what type of venation is its leaves likely to have?

Q7) If a plant has leaves with reticulate venation, what kind of roots will it have?

Solve the riddles given below.

I come out first from the seed when it is soaked in water. I provide anchorage to plants. Who am I?

Q8) Is it possible for you to find out whether a plant has taproot or fibrous roots by looking at the impression of its leaf on a sheet of paper?

Solve the riddles given below.

I have a green tender stem and I am much shorter than you. Who am I?” Arrange the below-given words to guess Who I am.

( B E R H )

Q9) What are the parts of a flower?

Match the parts of plant given in column I with their function in column II.

Choose the correct option.

Q10) From the following plants, which of them have flowers?

Grass, maize, wheat, chili, tomato, tulsi, pipal, shisham, banyan, mango, Jamun, guava, pomegranate, papaya, banana, lemon, sugarcane, potato, groundnut

Boojho wanted to test the presence of starch in leaves. He performed the following steps.

(1) He took a leaf and boiled it in water.

(2) He placed the leaf in a petri dish and poured some iodine over it. He did not get the expected result. Which step did he miss?

Q11) Name the part of the plant which produces its food. Name this process.

A leaf taken from a potted plant kept in a dark room for a few days turn blue black when tested for starch.

Q12) In which part of a flower you are likely to find the ovary?

The stem of a plant be compared with a street with two-way traffic.

Q13) Name two plants in which one has joined sepals and the other has separate sepals.

Which of the following plant part fixes the plant to the soil?

Which of the following plant part prepares starch?

Observe Fig. 7.3 and attempt the questions that follow it.

What type of venation does the leaf have?

Observe the picture of an activity given as Fig. 7.4 carried out with leaves of plants and polythene bag.

Now answer the following:

Which process is demonstrated in the activity?

Which of the following is INCORRECT?

Plants that are weak and spread on the ground are termed as…………

____ and filament represent the male part of the flower.