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.

0Thank You

ANSWER

Define pollination

Posted by Vanshika Singh Kushwah 3 years, 9 months ago

CBSE > Class 07 > Science

2 answers

Harshit Shinde 3 years, 9 months ago

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

0Thank You

Vanshika Singh Kushwah 3 years, 9 months 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.

2Thank You

ANSWER

What is a electromagnet

Posted by Vanshika Singh Kushwah 3 years, 9 months ago

CBSE > Class 07 > Science

2 answers

Harshit Shinde 3 years, 9 months 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

0Thank You

Mahabir Gupta 3 years, 9 months ago

0Thank You

ANSWER

Explain working of electric belt

Posted by Anni Anni 3 years, 9 months ago

CBSE > Class 07 > Science

2 answers

Aditi Kumari 7A 3 years, 9 months 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.

1Thank You

Ankita Budhwar 3 years, 9 months ago

Electric bell works by an electromagnetic.

2Thank You

ANSWER

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

Posted by Jafar Khan 3 years, 9 months ago

CBSE > Class 07 > Science

3 answers

Jafar Khan 3 years, 9 months ago

Computer hash machine

0Thank You

Jafar Khan 3 years, 9 months ago

Ueueu3k

0Thank You

Jemima Rachel 3 years, 9 months ago

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

0Thank You

ANSWER

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

Posted by Divija Koshti 3 years, 9 months ago

CBSE > Class 07 > Science

4 answers

Ananya . 3 years, 9 months ago

GRASS < INSECT < FROG < SNAKE < EAGLE

0Thank You

Patitpaban Nahak 3 years, 9 months ago

Grass - Insects - Frog - Snake - Eagle

1Thank You

Vaishnavi Sachan 3 years, 9 months ago

Grass - insects - frog - snake - eagle

0Thank You

Shinjini Ghosh 3 years, 9 months ago

Grass - Insects - Frog - Snake - Eagle

0Thank You

ANSWER

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 3 years, 9 months ago

CBSE > Class 07 > Science

2 answers

Somya Gurjar 3 years, 9 months ago

Zygote

0Thank You

Shinjini Ghosh 3 years, 9 months ago

1Thank You

ANSWER

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

Posted by Kalpana Tamang 3 years, 9 months ago

CBSE > Class 07 > Science

2 answers

Ananya . 3 years, 9 months ago

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

1Thank You

Abhishek Chhetri 3 years, 9 months ago

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

1Thank You

ANSWER

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 3 years, 9 months ago

CBSE > Class 07 > Science

2 answers

Sukrit Kalra 3 years, 9 months ago

5Thank You

Sukrit Kalra 3 years, 9 months ago

the eye of the potato plant is

4Thank You

ANSWER

Which instrument is used to find the direction of wing

Posted by Manpreetsingh Manpreet 3 years, 9 months ago

CBSE > Class 07 > Science

2 answers

Raman Kumar 3 years, 8 months ago

Wind guage

0Thank You

Abhishek Kumar 3 years, 9 months ago

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

1Thank You

ANSWER

what is holozic nutrion

Posted by Md Aman 3 years, 9 months ago

CBSE > Class 07 > Science

2 answers

Sukrit Kalra 3 years, 9 months ago

The eye of the potato plant is what

0Thank You

𝖄𝓸𝓰𝓲𝓽𝓪♛🖤😎 𝒴𝒶𝒹𝓊𝓋𝒶𝓃𝓈𝒽𝒾🔥🔥 3 years, 9 months ago

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

0Thank You

ANSWER

What is Embryo ?

Posted by Farhan Moghees 3 years, 9 months ago

CBSE > Class 07 > Science

1 answers

Shinjini Ghosh 3 years, 9 months ago

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

1Thank You

ANSWER

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 3 years, 9 months ago

CBSE > Class 07 > Science

0 answers

ANSWER

Define convection

Posted by Riddhi Soni 3 years, 9 months ago

CBSE > Class 07 > Science

3 answers

Lovely Sahu 3 years, 9 months ago

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

0Thank You

𝖄𝓸𝓰𝓲𝓽𝓪♛🖤😎 𝒴𝒶𝒹𝓊𝓋𝒶𝓃𝓈𝒽𝒾🔥🔥 3 years, 9 months ago

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

0Thank You

Shaikh Khadeeza 3 years, 9 months ago

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

0Thank You

ANSWER

What is a reproduction

Posted by Patitpaban Nahak 3 years, 9 months ago

CBSE > Class 07 > Science

4 answers

Lovely Sahu 3 years, 9 months ago

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

0Thank You

Saksham Shrivastava 3 years, 9 months ago

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

0Thank You

Riddhi Soni 3 years, 9 months ago

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

1Thank You

Vaishnavi Sharma 3 years, 9 months 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.

0Thank You

ANSWER

Dash which allow to flow towards the heart.

Posted by Sunkara Sriya 3 years, 9 months ago

CBSE > Class 07 > Science

4 answers

Nayana Sri 3 years, 9 months ago

Blood

0Thank You

Ankita Budhwar 3 years, 9 months ago

Valves in our veins

0Thank You

Patitpaban Nahak 3 years, 9 months ago

Blood

2Thank You

Manisha Manisha Kumari 3 years, 9 months ago

Jfg

0Thank You

ANSWER

Where does dirty water from your house go

Posted by Swapnil Saha 3 years, 10 months ago

CBSE > Class 07 > Science

4 answers

Rohit Thakur 3 years, 9 months ago

Sewage

0Thank You

Avdhoot Kheme 3 years, 9 months ago

To the sewage treatment plant through the sewers.

0Thank You

Vanshika Pandey 3 years, 9 months ago

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

1Thank You

Abhishek Sahoo 3 years, 10 months ago

To the sewage treatment plant through the sewers.

0Thank You

ANSWER

What is protozoa ?

Posted by Prachi M. Parmar 3 years, 10 months ago

CBSE > Class 07 > Science

3 answers

Arsh Shaikh 3 years, 10 months ago

Hello i am arsh shaikh

0Thank You

Prachi M. Parmar 3 years, 10 months 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.

1Thank You

Prachi M. Parmar 3 years, 10 months 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.

0Thank You

ANSWER

How do plants respire? draw the diagram

Posted by M Vashitha 3 years, 10 months ago

CBSE > Class 07 > Science

1 answers

Aayana Lapse 3 years, 10 months ago

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

1Thank You

ANSWER

What is menstruation explain

Posted by Sri Vignesh Sirangi 3 years, 10 months ago

CBSE > Class 07 > Science

2 answers

Aditi Kumari 7A 3 years, 9 months ago

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

0Thank You

Prachi M. Parmar 3 years, 10 months 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.

1Thank You

ANSWER

what is sexual reporduction

Posted by Aditya Dubey 3 years, 10 months ago

CBSE > Class 07 > Science

1 answers

Abhishek Sahoo 3 years, 10 months ago

Yes

0Thank You

ANSWER

Why do you want houses with ventileter

Posted by Himanshi Jain 3 years, 10 months ago

CBSE > Class 07 > Science

3 answers

Ankita Budhwar 3 years, 9 months ago

So that cold air can come in

0Thank You

Prem Kumar 3 years, 10 months ago

0Thank You

A. Vasundhara 3 years, 10 months ago

To avoid fertidatered heat

1Thank You

ANSWER

Explain why holes are made in hanging banners and hoardings.

Posted by Pushpa Pushpa 3 years, 10 months ago

CBSE > Class 07 > Science

2 answers

Ankita Budhwar 3 years, 9 months ago

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

0Thank You

Prachi M. Parmar 3 years, 10 months 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.

0Thank You

ANSWER

ANY FF PLAYER PLEASE GIVE UID

Posted by Op Xd 3 years, 10 months ago

CBSE > Class 07 > Science