7. GETTING TO KNOW PLANTS Class 6 Science Solutions English Medium-Exercise (NCERT Text Book)

Exercise Question:

Que1: Correct the following statements and rewrite them in your notebook.

(a) Stem absorbs water and minerals from soil.

(b) Leaves hold the plant upright.

(c) Roots conduct water to the leaves.

(d) The number of petals ans sepals 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.

Ans:

(a) Roots absorbs water and minerals the soil.

(b) Stem hold the plant upright.

(c) Stem conduct water to the leaves.

(d) The number of petails and sepals in a flower is not always equal.

(e) If the sepals of a flower are joined togther, its petals are separate and not joined togther.

(f) If  the petals of a flower are joined togther, them the pistil is not necessarily joined to the petal.

Que2: Draw (a) a leaf, (b) a taproot and, (c) a flower, you have studied for table 7.3.

Ans: 

Que3: Can yot find a plants in your house or in your neighborhood, which has a long but a weak stem? Write its name, In which category would you classify it?

Ans: Money plant has a ling but a weak stem. It is a climber.

Que4: What is the function of a stem in a plant?

Ans: Functions of stem in a plant:

• It holds the branchers, leaves, flower and fruits.
• The stem trabsports water and minerals form roots to the uppor parts.
• It also transports the parpared food form leaves to other parts.

Que5: Which of the following leaves have reticulate venation?

Wheat, tulsi, maize, grass, coriander(dhaina), china rose

Ans: Tulsi, Coriander(dhaina) and china rose.

Que6:If a plant has fivbrous root, what type of venation do its leaves likely to have?

Ans: Parallel venation.

Que7: If a plant has leaves with reticulate venation, what kind of roots will it have?

Ans: Taproot.

Que8: Is it possible for you to recognize the leaves without seeing them?How?

Ans: Yes, We can identify the type od leaves by looking at its roots. Plans having leaves with reticlate venation have tap roots while plants having leaves with parallel venation have fibreus roots.

Que9: Write the name of the parts pf a flower?

Ans: The parts of flower are sepals, petals, staments and pistil.

Que10: Which of the following plants have you seen? Of those that you a have seen, which one have flowers? Grass, maize, wheat, chilli, tomato, tulsi, pipal, shisham, banyan, jamun, guava, pomegranate.

Ans: 

We have seen the following plants:

• Grass, maize, wheat, chilli, tomato, tulsi, pipal, banyan, mango, jamun, guava, papaya, banana. lemon. sugarcane, potato.

Plants having flower:

• Maize, Wheat, Chilli, tomato, tulsi, pipal, shisham, banyan, mango, jamun, guava, pomergranate, papaya, banana, lemon, potato.

Que11: Name the part of the plants which produces its food. Name this process.

Ans: Leaves produce food for plants for plant with the process of photosynthesis.

Que12: In which part of a flower, you are likely to find the ovary?

Ans: Ovary is located in the lowermost and swollen part of the pistill of flower.

Que13: Name two flowers, each with joined and separated sepals.

Ans:

Plants with joined sepals             : Datura and tomato flower.

Plants with separated sepals       : Lotus ans Rose.