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How do fungi obtain their food? Explain.

Posted by Pritam Barman 1 year, 6 months ago

CBSE > Class 07 > Science

1 answers

Mitali Hude 1 year, 6 months ago

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ANSWER

_____________ system helps in movement of the body.

Posted by Vasundhara Yadav 1 year, 6 months ago

CBSE > Class 07 > Science

3 answers

Sefali Raj 1 year, 6 months ago

Muscular

Mitali Hude 1 year, 6 months ago

Muscles

Mohammed Ali 1 year, 6 months ago

Muscles

ANSWER

What do u mean by transpiration? How is it relatable to plants?

Posted by Vasundhara Yadav 1 year, 6 months ago

CBSE > Class 07 > Science

1 answers

Mitali Hude 1 year, 6 months ago

This process of elimination of excess water from the plant body is known as transpiration. It is generally the evaporation of water from the surface of the leaves. During the process of transpiration, water molecules in the plant tissues are removed from the aerial parts of the plants.

ANSWER

If iodine is dropped on the boiled leaf it gives black colour due to present of what?? Starch or iodine

Posted by Abeer Taiba M.S 1 year, 6 months ago

CBSE > Class 07 > Science

5 answers

Sefali Raj 1 year, 6 months ago

If iodine is dropped on the Boiling it gives black color due to the presence of Starch. I think it helpfull.

Vasundhara Yadav 1 year, 6 months ago

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Naitik Kharche 1 year, 6 months ago

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Sakshi Sakshi 1 year, 6 months ago

If iodine is dropped on the boiling it gives black colour due to the presence of starch.

Komal Tamta 1 year, 6 months ago

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ANSWER

What is the difference between speed and average speed

Posted by Sohan Geeny 1 year, 6 months ago

CBSE > Class 07 > Science

5 answers

Mitali Hude 1 year, 6 months ago

The difference between speed and average speed is that speed is a one time measurement of velocity while average speed is the median measurement of different speeds which basically is used simplify the varying speed to appear like a single speed only.

Sakshi Sakshi 1 year, 6 months ago

The difference between speed and average speed is that speed is one time measurement of velocity while average speed is the median measurement of different speeds which basically is used simplify the varying speed to appear like a single speed only

Simran 8 1 year, 6 months ago

Hello 👋🏻

Anwesha Dash 1 year, 6 months ago

Hey 👋🏻

Pallavi Kumari 1 year, 6 months ago

Hi

ANSWER

A car covers 25 km in 25 min what is speed of the car in km/ hr

Posted by Anushka Dhal 1 year, 6 months ago

CBSE > Class 07 > Science

1 answers

Sakshi Sakshi 1 year, 6 months ago

Speed is distance travelled for unit time so if we measure distance in kilometre and time in minutes then the speed is described as kilometre/ hours. Here , 20 minutes= 20/60 hours = 1/3 hours This , the speed is 25 km / ( 1/3 hours) = 25*3 km / h = 75 km / h.

ANSWER

A simple pendulum takes 40 sec toe complete 120 oscilations , find its time period and frequency

Posted by Anushka Dhal 1 year, 6 months ago

CBSE > Class 07 > Science

1 answers

Sakshi Sakshi 1 year, 6 months ago

The correct answer is 1/3 sec

ANSWER

hiw will you identity the 3 mirror convex ,concave,plane mirro without touching them

Posted by K.Haresh Kumaran 1 year, 6 months ago

CBSE > Class 07 > Science

0 answers

ANSWER

Green plants are called dash since this synthesis their own food.

Posted by Sera Santhosh 1 year, 6 months ago

CBSE > Class 07 > Science

5 answers

Sefali Raj 1 year, 6 months ago

Autotrophs

Sakshi Sakshi 1 year, 6 months ago

Green plants are called autotrophs since this synthesis their own food

Ishakshi Mishra 1 year, 6 months ago

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Aradhya S Shetty 1 year, 6 months ago

Autotrophs

Sera Santhosh 1 year, 6 months ago

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ANSWER

Plants synthesise protein and vitamins. True or false

Posted by Preetham T Preethu 1 year, 6 months ago

CBSE > Class 07 > Science

5 answers

Vasundhara Yadav 1 year, 6 months ago

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Alok Ranjan 1 year, 6 months ago

False

Bhavya Rathour 1 year, 6 months ago

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Bhavya Rathour 1 year, 6 months ago

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Hitesh Dinkar 1 year, 6 months ago

True

ANSWER

What is male reproductive part in flower

Posted by Sachi Salavi 1 year, 7 months ago

CBSE > Class 07 > Science

5 answers

Niharika Manthena 1 year, 6 months ago

Stamen

Ravi Kumar 1 year, 6 months ago

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Diya Garg 1 year, 6 months ago

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Bhumika Mamar 1 year, 6 months ago

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Srivalli Dash 1 year, 6 months ago

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ANSWER

Which is largest ventricle in human body

Posted by Mahinraj Vishwakarma 1 year, 7 months ago

CBSE > Class 07 > Science

3 answers

Shivam Mishra 1 year, 6 months ago

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Sachi Salavi 1 year, 7 months ago

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Mahinraj Vishwakarma 1 year, 7 months ago

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ANSWER

Give 5 difference between cell organelle and body organ

Posted by Prince Dixit 1 year, 7 months ago

CBSE > Class 07 > Science

1 answers

Hitesh Dinkar 1 year, 6 months ago

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ANSWER

How much electricity in world

Posted by Nisha I 1 year, 7 months ago

CBSE > Class 07 > Science

2 answers

Bhumika Mamar 1 year, 7 months ago

25,500 terawatt-hours

Sachi Salavi 1 year, 7 months ago

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ANSWER

Dorji has a few bottles of soft drinks in his restaurant but are unfortunately these are not labelled he was to serve the drinks on the demand of customers one customer wants to acidic drink and other wants basic and third one wants natural drink how will do the decide which drink is to be served

Posted by Vijay Singh 1 year, 7 months ago

CBSE > Class 07 > Science

2 answers

Mahinraj Vishwakarma 1 year, 7 months ago

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Poojitha Poojitha 1 year, 7 months ago

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ANSWER

How polar animals adapt themselves

Posted by Divya Arya 1 year, 6 months ago

CBSE > Class 07 > Science

1 answers

Vasundhara Yadav 1 year, 6 months ago

Polar animals adapt themselves in polar regions due to these following points- 1.They have thick fur on their body to protect themselves from cold. 2.They have a layer of oily waterproof feathers where fat is stored to regulate body temperature. 3. Animals like penguins have a habit to stay in groups to keep themselves warm. Please answer my question too 🙏!!!! What do u mean by transpiration? How is it relatable to plants?

ANSWER

Which acid is present in our body cell ?

Posted by Adiba Adiba 1 year, 7 months ago

CBSE > Class 07 > Science

5 answers

Vasundhara Yadav 1 year, 5 months ago

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Sefali Raj 1 year, 6 months ago

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Vasundhara Yadav 1 year, 6 months ago

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Piyush Joshi 1 year, 7 months ago

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Depanjal Wanjare 1 year, 7 months ago

Deoxyribonucleic acid (DNA)

ANSWER

What are glands Ig-akshita_doesart__

Posted by Akshita Singh 1 year, 7 months ago

CBSE > Class 07 > Science

0 answers

ANSWER

How can you removed the acidity of soil

Posted by Dudhbsbcjojbhai Ok Mdfbcjdi Ncnoxjahwbduioowhdjodhsbdb 1 year, 7 months ago

CBSE > Class 07 > Science

2 answers

Shivansh Rawat 1 year, 7 months ago

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Harsh Bhirmaan 1 year, 7 months ago

What is photosynthesis

ANSWER

what are glands explain briefy

Posted by A Vidyul 1 year, 7 months ago

CBSE > Class 07 > Science

3 answers

Nisha I 1 year, 7 months ago

Glands are special part in our body that release juice in our body and it help us to digestion of food and digestin of fat

Devang Upadhyay 1 year, 7 months ago

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Aashita Rawat 1 year, 7 months ago

Glands are special parts in our bodies that make and release juices. These juices help our body do different things, like staying wet (like spit) or telling other parts what to do. Imagine them as little helpers inside us! Btw exam se just pehle padh rahe ho na 😜😜😜

ANSWER

What is sexual reproduction in plant

Posted by Leon Biju 1 year, 7 months ago

CBSE > Class 07 > Science

0 answers

ANSWER

Why concave mirror form virtual, erect and magnified image when it is near & real, inverted image when it is at some distance

Posted by Ayush Kumar Mandal 1 year, 7 months ago

CBSE > Class 07 > Science

1 answers

Kavya Kharb 1 year, 7 months ago

Thus, a concave mirror forms a virtual, erect and magnified image when the object is placed very close to the mirror. Explanation: When the object is between the focus and the pole (Very close to the mirror) of the mirror then a virtual, erect, and magnified image is formed.

ANSWER

What is mein by environment

Posted by Gauri Ahire 1 year, 7 months ago

CBSE > Class 07 > Science

3 answers

Sefali Raj 1 year, 6 months ago

The surrounding around us that we see is know as environment.

Naitik Desale 1 year, 7 months ago

the surrounding around s that we see is environment

Shyam Ladli Vaishnavi 1 year, 7 months ago

The surrounding around us that we see is known as environment

ANSWER

Explain working of an electric bell

Posted by Shilpa Srivastava 1 year, 7 months ago

CBSE > Class 07 > Science

3 answers

Naitik Desale 1 year, 7 months ago

the electric bell is of electromagnetic. when we on the switch then electric bell will on

Aasmi Abhale 1 year, 7 months ago

The electric working because the help of electromagnetic effect

Prince Kumar 1 year, 7 months ago

An electric working because the help of electromagnetic effect

ANSWER

What is transcolation ?

Posted by Bhavika None 1 year, 7 months ago

CBSE > Class 07 > Science

2 answers

Harsh Pal 1 year, 7 months ago

It is translocation not transcolation

Harsh Pal 1 year, 7 months ago

Translocation is the movement of dissolved substances, such as sucrose and amino acids, from parts of the plant where the substances are made to other parts of the plant where they’re needed. Translocation takes place in the phloem - transport vessels made up of two types of cell, sieve tube elements and companion cells. The parts of the plant which make these substances are referred to as sources (e.g. the leaves) and the parts of the plant which store or use the substances are called sinks (examples include bulbs and roots). When sucrose reaches a sink, it is converted into starch for carbohydrate storage. This maintains a concentration gradient between the source and the sink, so that more sucrose moves into the source. Translocation is an active process, so if respiration is reduced or inhibited (e.g. using a respiratory toxin), translocation will be impaired. The Mass Flow Hypothesis The mass flow hypothesis is a theory which attempts to explain how solutes are transported from source cells into sinks through the phloem. It isn’t concrete, but it is the best-accepted theory we currently have based on the available evidence. It states that mass flow of solutes takes place in the phloem in the following stages: Sucrose moves from companion cells into sieve tube elements by active transport. This reduces the water potential of the sieve tube element. Water moves into the phloem by osmosis, which increases the hydrostatic pressure. There is a pressure gradient with high hydrostatic pressure near the source cell and lower hydrostatic pressure near the sink cells. Solutes move down the pressure gradient towards the sink end of the phloem. Solutes move into sink cells and are converted into other molecules (e.g. starch). The removal of solutes increases the water potential at the sink end, causing water to move out of the phloem by osmosis. This maintains the hydrostatic pressure gradient between the source and the sink

ANSWER

The time measuring devices used in sport can measure time intervals of A. A milli second B. A micro second C. A Nano second D. None of these

Posted by Chahat Bhardwaj 1 year, 7 months ago

CBSE > Class 07 > Science

1 answers

Harsh Pal 1 year, 7 months ago

The correct answer is B) a micro second

ANSWER

What are saprophytes????

Posted by Ishakshi Mishra 1 year, 7 months ago

CBSE > Class 07 > Science

4 answers

Harsh Pal 1 year, 7 months ago

Saprotrophic microscopic fungi are sometimes called saprobes. Saprotrophic plants or bacterial flora are called saprophytes (sapro- 'rotten material' + -phyte 'plant'), although it is now believed[citation needed] that all plants previously thought to be saprotrophic are in fact parasites of microscopic fungi or other plants. The process is most often facilitated through the active transport of such materials through endocytosis within the internal mycelium and its constituent hyphae.[3] Mycelial cord made up of a collection of hyphae; an essential part in the process of saprotrophic nutrition, it is used for the intake of organic matter through its cell wall. The network of hyphae is referred to as a mycelium, which is fundamental to fungal nutrition. Various word roots relating to decayed matter (detritus, sapro-), eating and nutrition (-vore, -phage), and plants or life forms (-phyte, -obe) produce various terms, such as detritivore, detritophage, saprotroph, saprophyte, saprophage, and saprobe; their meanings overlap, although technical distinctions (based on physiologic mechanisms) narrow the senses. For example, usage distinctions can be made based on macroscopic swallowing of detritus (as an earthworm does) versus microscopic lysis of detritus (as a mushroom does).

Grishika Shree 1 year, 7 months ago

Organism which take nutrition from dead and decaying matter is known as saprophytes

Jai Baba Ki Makahal 1 year, 7 months ago

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Master Vivek Chandra Bhatt 1 year, 7 months ago

The organism which take nutrition from dead and decaying organic matter

ANSWER

Can anyone define convex lens, Concave lens, Concave mirror, convex mirror please 🙏

Posted by Xxxxxx Xxxxxxx 1 year, 7 months ago

CBSE > Class 07 > Science

5 answers

R.Vanthana Shree 1 year, 7 months ago

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R.Vanthana Shree 1 year, 7 months ago

Concave lens : A lens which is thin in the middle and thick at the edges

Ravi Kumar 1 year, 7 months ago

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Ravi Kumar 1 year, 7 months ago

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Ravi Kumar 1 year, 7 months ago

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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ANSWER

ventilation is provided near the roof in houses because

Posted by Feiba Ann Philip 1 year, 7 months ago

CBSE > Class 07 > Science

3 answers

Devshree Tarar 1 year, 7 months ago

What is rsprition

Feiba Ann Philip 1 year, 7 months ago

The plants release oxygen through the process of photosynthesis. The plants help to provide oxygen to animals for respiration. They also maintain the balance of oxygen and carbon dioxide in the atmosphere. That is why forest are called as green lungs. (Page no:148)

Mili Sahu Mili Sahu 1 year, 7 months ago

Why forest are called geen lungs

ANSWER

Why can't we use a plain mirror as a side mirror in a scooter or a car

Posted by Dnyanada Singh 1 year, 7 months ago

CBSE > Class 07 > Science

2 answers

Harsh Pal 1 year, 7 months ago

Hint: We all use convex mirrors in the side view of our cars, to see the image of any object's broader field of view that makes us comfortable while driving. Whereas a plane mirror will show the image bigger that makes it uncomfortable while driving. Complete answer: A convex mirror is used instead of a plane mirror because it has a large view angle with always an erect image formation irrespective of the position of the object.Convex mirrors are preferred as rear-view mirrors in vehicles because they provide a broader field of view, allowing the driver to see the majority of the traffic behind him. In cars and vehicles, a convex mirror is favoured as a rear-view mirror because it provides a broader field of view, allowing the driver to see the majority of the traffic behind him. Convex mirrors always reflect the objects in front of them in an erect, imaginary, and shrunken form. Convex mirrors always reflect the items in front of them in a virtual, erect, and shrunken picture. -A virtual picture is always formed by a convex mirror and is always situated behind the mirror. -The picture is vertical and located at the focal point when the item is far away from the mirror. -As the object approaches the mirror, the image follows suit and increases until it reaches the same height as the object. -Convex mirrors produce images that are smaller than the item but become larger as they approach the mirror. Therefore, a convex mirror is used instead of a plane mirror in the side view of a car because the image formed by a convex mirror is smaller and closer to that formed by a plane mirror. Hence, the correct options are (B) and (C). Note: As long as the object is in their focus, concave mirrors in vehicles help to reduce blind spots. The reflecting surface of a concave mirror, on the other hand, bends inwards and away from the light source.

1234 Abcd 1 year, 7 months ago

Because the mirror in a scooter / car show the image very close . So, we don't use plain mirror as it doesn't help us to see the image very close

ANSWER

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