Filiform system assists in entering a pollen tube into an ovule synergy. The filiform device is a finger-like projection consisting of an enclosed core of microfibrils in a sheath. The filiform apparatus resembles the transfer cells “meaning the movement of metabolites at short distances. The filiform system which extracts food from the nucleus.

a) What are we doing every day?

Answer : Every day we are wreathing a flowering band which binds us to the earth and enables us to live life despite the dejection that surrounds us.

b) Which evil things do we possess and suffer from?

Answer : We suffer from selfishness and self-centredness due to which there is dearth of noble souls on earth.

c) What are the circumstances that contribute towards making humans unhappy and disillusioned with life?

Answer : Man becomes unhappy and disillusioned because he suffers from pain and hopelessness at various junctures in life. Also the lack of nobility in human beings make him unhappy.

a. What images of beauty has the poet referred to?
Answer:
The poet appreciates the simplicity and serenity of beauty through the image of the sun, the moon, the trees, the sheep, the daffodils, the green pastures, the livid streams, and a fair bloom of musk-roses.

b. How is ‘tree’ a perfect example of a beautiful thing?
Answer:
The tree bears the heat of the sun to give shade and coolness to anyone who seeks shade and rest under its branches. Its greatness is a degree greater because it gives shade not only to the mighty ones, but also to the simplest of the animals, such as sheep.

c. What does ‘simple sheep’ symbolise?
Answer:
Sheep and lamb are envisioned as symbols of innocence and serene beauty. Jesus Christ was a shepherd and was surrounded by his flock of sheep, his followers. Keats has made special reference to the sheep as symbols of divine beauty.

d. Explain, ‘the green world they live in’.
Answer:
Beauty of nature is at its best in the lush green surroundings of meadows and pastures which provide support to all plants and animals. It is in this green world that all living creatures find true happiness and joy.

Mukesh was different from the others of his community. By daring to dream, he has already taken the first step towards a big change. He wants to become a motor mechanic and drive a car. He can realise this dream with determination and hard work. There might be many obstacles on his way but a strong willpower will help him move towards the way to success. The fact that he is willing to walk a long distance in order to learn the vocation, underlines his firm resolve. The only thing left for him to do is to make that first journey to that garage and request the owner to take him in and guide and direct him on his journey as a mechanic.

1. Mukesh's house-a half-bult shack thatched with dead grass,and a wobby iron door.
2. Firewood stove,aluminium utensils are used.
3. Mukesh, his father, his grandmother,his elder brother live in the house

Bond angles in ammonia and ammonium ion. 
The bond angles in ammonium ion, NH₄⁺ are the theoretical tetrahedral bond angles of approximately 109.5 degrees. The ammonium ion is completely symmetrical. 
The bond angles in the asymmetrical ammonia molecule are less than 109.5 degrees, they are about 107 degrees. This is due to the repulsion of the bonding pairs and the lone pair.

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