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Syeda answered 1 year(s) , 1 month(s) ago

Give more exercises on edition and omission

1. a) on - at
b) has - had c) for -  of
d) at - by     e) at- in
f) from - since
g) for - till
h) over - during
i) on - after

2. word before    ...

Sep 11

• 40 Likes
• 218161 Views

Sep 11

Syeda answered 1 year(s) , 1 month(s) ago

Name any 20 unisexual and bisexual flowers.

Sol:

There are bisexual flowering plants and unisexual flowering plants. They are separate from bisexual flowers and unisexual flowers. But is this information of names so necessary? Anyway here...

Dec 1

• 27 Likes
• 148402 Views

Dec 1

Syeda answered 1 year(s) , 1 month(s) ago

What is the difference between convex and concave mirrors and lens ?

MIRRORS
(1) The reflecting surface of the concave mirror is bulged inwards. But the reflecting surface of the convex mirror is bulged outwards.
(2) Concave mirror produces real and inverted imag...

Nov 27

• 20 Likes
• 112385 Views

Nov 27

Agam answered 11 month(s) , 20 day(s) ago

Explain the life cycle of silk moth?

Ans: Sericulture, or silk farming, is the rearing of silkworms for the production of raw silk.
Life cycle of a silk moth :

1. Egg →2.First stage of larvae→3.Second stage...

Apr 30

• 10 Likes
• 67400 Views

Apr 30

Syeda answered 1 year(s) , 1 month(s) ago

Define the following:- (a) Center of curvature (b) Radius of curvature (c) Pole (d) principal axis (e) Principal focus (f) Focal length

(a) Centre of curvature is the centre of the sphere of which the spherical mirror is a part.

(b) Radius of curvature is the linear distance between the pole and the cen

...

Sep 24

• 10 Likes
• 67243 Views

Sep 24

Sai Vijay answered 10 month(s) , 19 day(s) ago

What is the difference between clinical and labratory thermometer?

Clinical thermo meter:  This thermometer is used in Clinics to measure the temperature of human body.
A clinical thermometer has a temperature range of only 35ºC to 42°C.
...

Aug 7

• 21 Likes
• 65162 Views

Aug 7

Syeda answered 1 year(s) , 1 month(s) ago

Life cycle of silk moth

Ans: Sericulture, or silk farming, is the rearing of silkworms for the production of raw silk.
Life cycle of a silk moth:

1. Egg →2.First stage of larvae→3.Second stage...

Feb 17

• 15 Likes
• 56471 Views

Feb 17

Syeda answered 1 year(s) , 1 month(s) ago

write any three uses of concave mirror.

Write any three uses of concave mirror

1. Concave mirror are used as reflectors in automobile headlight
...

Dec 3

• 27 Likes
• 39514 Views

Dec 3

Syeda answered 1 year(s) , 1 month(s) ago

Rest and motion are relative terms. Explain

Answer:  Rest and motion are the relative terms because they depend on the observer’s frame of reference.
If an observer is at rest in his or her own frame of reference, but he may be

...

Sep 1

• 3 Likes
• 39265 Views

Sep 1

Navneet answered 8 month(s) , 8 day(s) ago

why is it not good to sleep under a tree at night?

During the day, in presence of sunlight, the plants use up the CO 2 and release O 2 in the process of photosynthesis. But during night, plants won’t perform photosynthesis so they are un...

Sep 8

• 8 Likes
• 36798 Views

Sep 8

Syeda answered 1 year(s) , 1 month(s) ago

Explain how does an electric bell work.

When an armature or iron is in contact with screw the current flows though the coil which becomes an electromagnet .As,a result it gets pulled towards the magnet .The hammer at the end of the strip of the gong...

Sep 16

• 6 Likes
• 35371 Views

Sep 16

Syeda answered 1 year(s) , 1 month(s) ago

Difference between primary and secondary cells

• A primary cell cannot be recharged whereas a secondary cell can be recharged.
• In a primary cell chemical reaction is irreversible whereas in a secondary cell chemical reaction is reversibl
...

Nov 4

• 0 Like
• 34993 Views

Nov 4

Syeda answered 1 year(s) , 1 month(s) ago

Difference between density and relative density?

The ratio between density of a substance and density of water is called relative density.

1. The ratio between density of a substance and density of water is call

...

Jun 14

• 2 Likes
• 33614 Views

Jun 14

Syeda answered 1 year(s) , 1 month(s) ago

How are nutrients replenished in the soil?

Nutrients are replenished by certain different microorganism that are found in the soil or also by the death of certain plants such as the rhizobium plant. The decaying plants tend to slowly break down into the...

Apr 13

• 5 Likes
• 29664 Views

Apr 13

Syeda answered 1 year(s) , 1 month(s) ago

What is the difference between Shadow and Image?

Shadows are black, whereas images are colourful. Shadows of objects placed in the sun change in length with the position of the sun through the day. Your shadow will be at its longest at...

Oct 29

• 2 Likes
• 28972 Views

Oct 29

Syeda answered 1 year(s) , 1 month(s) ago

WHAT IS VILLI ? WHAT IS IT'S FUNCTION AND LOCATION?

The small intestine has millions of tiny finger-like projections called villi. These villi increase the surface area for more efficient food absorption. Within these villi, are present numerous blood vessels wh...

Oct 6

• 10 Likes
• 28381 Views

Oct 6

Syeda answered 1 year(s) , 1 month(s) ago

How to write an notice on lost book

NOTICE

Iam bhaskar of class 6 i lost my english notebook in the school yesterda...

Apr 10

• 4 Likes
• 27633 Views

Apr 10

Syeda answered 1 year(s) , 1 month(s) ago

Difference between convex mirror and convex lens and difference between concave lens and concave mirror

convex lens
A convex mirror is opaque whereas a convex lens is transparent.
A convex mirror causes reflection of light whereas a convex lens cau...

Nov 7

• 0 Like
• 27092 Views

Nov 7

Syeda answered 1 year(s) , 1 month(s) ago

What are the differences between concave and convex lens

Concave Lens:
1. It tends to bend inward.
2. These are thinner in the middle and thicker at the ends.

Convex Lens:
1. It tends to bend outward.
2. These are thick...

Feb 6

• 1 Like
• 27022 Views

Feb 6

Arpita answered 4 year(s) , 2 month(s) ago

Wool production.

there are six steps by which wool is obtained form sheep. Step 1: shearing The process of removing hair from the body of a sheep is called shearing Step 2: scouring The process of washing the fleece of sheep to...

May 15

• 4 Likes
• 26381 Views

May 15

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