CBSE > Class 07 > Science | CBSE Board | Homework Help

genetic change in which a piece of one chromosome breaks off and attaches to another chromosome. Sometimes pieces from two different chromosomes will trade places with each other.

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Define pollination

Posted by Vanshika Singh Kushwah 4 years ago

CBSE > Class 07 > Science

2 answers

Harshit Shinde 4 years ago

The transfer of pollen grain from anther to stigma is known as pollination

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Vanshika Singh Kushwah 4 years ago

The tranfer of pollen grains from the another to the stigma of a flower is known as pollination. There are two types of pollination 1. self pollination 2. cross pollination Hope it is helpful.

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What is a electromagnet

Posted by Vanshika Singh Kushwah 4 years ago

CBSE > Class 07 > Science

2 answers

Harshit Shinde 4 years ago

Electromagnet are the magnet which form when the electric current is passed through any metallic or Iron object the iron start behaving like magnet but it is form due to electric current it's called electromagnet

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Mahabir Gupta 4 years ago

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Explain working of electric belt

Posted by Anni Anni 4 years, 1 month ago

CBSE > Class 07 > Science

2 answers

Aditi Kumari 7A 4 years ago

when we press the switch, the circuit gets completed and electric current flows through the electromagnet.The armature gets attracted towards the electromagnet and the hammer strikes the gong and producing a ringing sound.

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Ankita Budhwar 4 years, 1 month ago

Electric bell works by an electromagnetic.

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Show the shape of the distance time graph for the motion in the following cases

Posted by Jafar Khan 4 years, 1 month ago

CBSE > Class 07 > Science

3 answers

Jafar Khan 4 years ago

Computer hash machine

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Jafar Khan 4 years ago

Ueueu3k

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Jemima Rachel 4 years ago

This is represented as diagram. So, it can't be explained here.

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Write the food chain correctly Frog- egale- insects- grass- snake

Posted by Divija Koshti 4 years, 1 month ago

CBSE > Class 07 > Science

4 answers

Ananya . 4 years ago

GRASS < INSECT < FROG < SNAKE < EAGLE

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Patitpaban Nahak 4 years, 1 month ago

Grass - Insects - Frog - Snake - Eagle

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Vaishnavi Sachan 4 years, 1 month ago

Grass - insects - frog - snake - eagle

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Shinjini Ghosh 4 years, 1 month ago

Grass - Insects - Frog - Snake - Eagle

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Which of these statements explains the benefit of CFL over incandescent bulbs? (a) It produces electricity from heat (b) It gives heat along with the light (c) It consumes a lesser amount of electricity (d) It does not require electricity to produce light

Posted by Divija Koshti 4 years, 1 month ago

CBSE > Class 07 > Science

2 answers

Somya Gurjar 4 years ago

Zygote

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Shinjini Ghosh 4 years, 1 month ago

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Q8 Match the words of Column 1 with those given in column 2 : Answer =

Posted by Kalpana Tamang 4 years, 1 month ago

CBSE > Class 07 > Science

2 answers

Ananya . 4 years ago

Ovule gets converted into seeds . Ovary gets converted into fruit.

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Abhishek Chhetri 4 years, 1 month ago

The ovule and ovary of a flower are converted to ______ and ______ after fertilization. a.

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A student performed an experiment in which a potted plant was kept in a bell jar. After sometime, the student observed some water drops inside the jar. Which plant tissue might have released the water drops in the jar? (a) Xylem (b) Phloem (c) Root hair (d) Epidermis

Posted by Divija Koshti 4 years, 1 month ago

CBSE > Class 07 > Science

2 answers

Sukrit Kalra 4 years, 1 month ago

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Sukrit Kalra 4 years, 1 month ago

the eye of the potato plant is

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Which instrument is used to find the direction of wing

Posted by Manpreetsingh Manpreet 4 years, 1 month ago

CBSE > Class 07 > Science

2 answers

Raman Kumar 4 years ago

Wind guage

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Abhishek Kumar 4 years ago

Anemometer is used to measure the speed and direction of the wind

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what is holozic nutrion

Posted by Md Aman 4 years, 1 month ago

CBSE > Class 07 > Science

2 answers

Sukrit Kalra 4 years, 1 month ago

The eye of the potato plant is what

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𝖄𝓸𝓰𝓲𝓽𝓪♛🖤😎 𝒴𝒶𝒹𝓊𝓋𝒶𝓃𝓈𝒽𝒾🔥🔥 4 years, 1 month ago

is a type of heterotrophic nutrition that is characterized by the internalization (ingestion) and internal processing of liquids or solid food particles.

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What is Embryo ?

Posted by Farhan Moghees 4 years, 1 month ago

CBSE > Class 07 > Science

1 answers

Shinjini Ghosh 4 years, 1 month ago

When the fertilised egg called zygote develops,it forms an embryo.An embryo lies inside an ovule.

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Learner'diary..of groundwater and water table .what do you learn..what do you find interesting..what do you observe..what do you feel interesting.

Posted by Sanketh Savalsur 4 years, 1 month ago

CBSE > Class 07 > Science

0 answers

ANSWER

Define convection

Posted by Riddhi Soni 4 years, 1 month ago

CBSE > Class 07 > Science

3 answers

Lovely Sahu 4 years ago

The process in which whole water? of a container get heated is known as convection.

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𝖄𝓸𝓰𝓲𝓽𝓪♛🖤😎 𝒴𝒶𝒹𝓊𝓋𝒶𝓃𝓈𝒽𝒾🔥🔥 4 years, 1 month ago

the process in which heat moves through a gas or a liquid as the hotter part rises and the cooler, heavier part sinks

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Shaikh Khadeeza 4 years, 1 month ago

Process of transfer of heat by actual movement of particles of medium

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What is a reproduction

Posted by Patitpaban Nahak 4 years, 1 month ago

CBSE > Class 07 > Science

4 answers

Lovely Sahu 4 years ago

The production in which new individual from their parents are called reproduction.

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Saksham Shrivastava 4 years, 1 month ago

Reproduction is defined as process by which new individual organisms are produced

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Riddhi Soni 4 years, 1 month ago

The production of new individual from their parents is known as reproduction

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Vaishnavi Sharma 4 years, 1 month ago

Reproduction means to reproduce. It is a biological process by which an organism reproduces an offspring who is biologically similar to the organism. Reproduction enables and ensures the continuity of species, generation after generation. It is the main feature of life on earth.

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Dash which allow to flow towards the heart.

Posted by Sunkara Sriya 4 years, 1 month ago

CBSE > Class 07 > Science

4 answers

Nayana Sri 4 years ago

Blood

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Ankita Budhwar 4 years, 1 month ago

Valves in our veins

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Patitpaban Nahak 4 years, 1 month ago

Blood

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Manisha Manisha Kumari 4 years, 1 month ago

Jfg

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Where does dirty water from your house go

Posted by Swapnil Saha 4 years, 1 month ago

CBSE > Class 07 > Science

4 answers

Rohit Thakur 4 years, 1 month ago

Sewage

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Avdhoot Kheme 4 years, 1 month ago

To the sewage treatment plant through the sewers.

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Vanshika Pandey 4 years, 1 month ago

Dirty water released from our house, hospital, school, office is called swege. waste water ? go to (WWTP) Wastewater treatment plant

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Abhishek Sahoo 4 years, 1 month ago

To the sewage treatment plant through the sewers.

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What is protozoa ?

Posted by Prachi M. Parmar 4 years, 1 month ago

CBSE > Class 07 > Science

3 answers

Arsh Shaikh 4 years, 1 month ago

Hello i am arsh shaikh

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Prachi M. Parmar 4 years, 1 month ago

Protozoa is an informal term for a group of single-celled eukaryotes, either free-living or parasitic, that feed on organic matter such as other microorganisms or organic tissues and debris.

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Prachi M. Parmar 4 years, 1 month ago

Protozoa are single celled organisms. They come in many different shapes and sizes ranging from an Amoeba which can change its shape to Paramecium with its fixed shape and complex structure. They live in a wide variety of moist habitats including fresh water, marine environments and the soil.

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How do plants respire? draw the diagram

Posted by M Vashitha 4 years, 1 month ago

CBSE > Class 07 > Science

1 answers

Aayana Lapse 4 years, 1 month ago

Plants exchange gasses like human beings to gain energy for their growth through stems, roots and leaves.

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What is menstruation explain

Posted by Sri Vignesh Sirangi 4 years, 1 month ago

CBSE > Class 07 > Science

2 answers

Aditi Kumari 7A 4 years ago

Menstruation, or period, is normal vaginal bleeding that occurs as part of a woman's monthly cycle

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Prachi M. Parmar 4 years, 1 month ago

Menstruation, or period, is normal vaginal bleeding that occurs as part of a woman's monthly cycle. Every month, your body prepares for pregnancy. If no pregnancy occurs, the uterus, or womb, sheds its lining. The menstrual blood is partly blood and partly tissue from inside the uterus.

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what is sexual reporduction

Posted by Aditya Dubey 4 years, 1 month ago

CBSE > Class 07 > Science

1 answers

Abhishek Sahoo 4 years, 1 month ago

Yes

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Why do you want houses with ventileter

Posted by Himanshi Jain 4 years, 1 month ago

CBSE > Class 07 > Science

3 answers

Ankita Budhwar 4 years, 1 month ago

So that cold air can come in

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Prem Kumar 4 years, 1 month ago

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A. Vasundhara 4 years, 1 month ago

To avoid fertidatered heat

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Explain why holes are made in hanging banners and hoardings.

Posted by Pushpa Pushpa 4 years, 1 month ago

CBSE > Class 07 > Science

2 answers

Ankita Budhwar 4 years, 1 month ago

So that wind can pass through them and due to air pressure they won't tear

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Prachi M. Parmar 4 years, 1 month ago

Air exerts pressure in all directions. Due to this pressure, the banners and hoardings may tear or fall down. Holes will let the wind pass and they do not become loose and fall down. Hence, holes are made in hanging banners and hoardings.

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ANY FF PLAYER PLEASE GIVE UID

Posted by Op Xd 4 years, 1 month ago

CBSE > Class 07 > Science