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Subject: Science, asked on 13/1/18

Why are potato and ginger swollen ?

Subject: Science, asked on 13/1/18

Mahir has an apple orchard with the best apples in the town. Suggest 3 to 4 ways by which his apple trees can be multiplied to preserve their characteristics. 
(Hint: Think of different ways of reproduction in plants to describe the answer required in detail)

{Please don't give any certified answer or any link as the answer} 

Subject: Science, asked on 7/1/18

I. Choose the correct option. 
I. Which of these shows asexual reproduction? 
(a) Yeast       (b) Hibiscus 
(c) Apple       (d) All of these

2. Which one of these does not reproduce by fragmentation? 
(a) Yeast             (c) Spirogyra
(b) Algae             (d) Fucus

3. Which one of these reproduces spores? 
(a ) Spirogyra           (c) Algae 
(b) Mosses               (d) Potato

4. What is the bud used in the grafting  method called? 
(a) Stock 
(b) Graft 
(c) Scion 
(d) None of these 

Subject: Science, asked on 7/1/18

Solve fill.in the blanks

II. Fill in the blanks With the correct words.

1.    ........................(Scions/Gametes) refer to the male and female reproductive cells in a flower.

2.   Anther and filament form the ..................... (pistil/stamen) of a flower.

3.   In ................... (sexual/asexual) reproduction, seeds are formed.

4.    ......................(Wind/Water) pollinated flowers are small and not brightly coloured.

5.    .......................(Vallisneria/Jasmine) is an insect-pollinated flower. 

Subject: Science, asked on 7/1/18

Differentiate between cross-pollination and self pollination

Subject: Science, asked on 26/12/17

mam can u plzexplain us briefly that what is sexual reoroduction,cross pollination fertilisation and zygote?

Subject: Science, asked on 25/12/17

(Wind \ Water) pollinated flowers are small and not brightly coloured. 

Subject: Science, asked on 25/12/17

diagram of different types of asexual reproduction

Subject: Science, asked on 25/12/17

Sporangium - A multicellular structure present in the stamen and blank

Subject: Science, asked on 20/12/17

Transporting ripe fruits is a problem a s many of them get spoiled unless transported at low temperature in refrigerated van which is very expensive. It is therefore common to transport unripe fruits. Chemicals are used to ripen them. Two such chemicals are ethylene and calcium carbide .One of these is harmful and the other is much safer. Find out which of these is harmful and which is safe. Which of them is more commonly used in India?

Subject: Science, asked on 15/12/17

How are horticulturists able to grow flowers of different colours on a single rose plant? Explain in detail.

Subject: Science, asked on 15/12/17

what are types of plant which only does asexual reproduction ? 10 is requried

Subject: Science, asked on 28/11/17

​name the reproductive part of  onion and ginger?

Subject: Science, asked on 13/11/17

Are seeds formed from ripened anthers?Explain why.

Subject: Science, asked on 13/11/17

What is parenchyma and clorenchyma

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