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Question & Answer Forum

Next time you have a doubt while studying, you know where to go. By simply posting your questions on Question & Answer Forum, you can have them answered by academic experts. You can also find related videos and explanations for better understanding.

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Priyanshu answered 1 year(s) , 5 month(s) ago

Explain the mechanism of opening and closing of stomata.

Sol:
Stomata are small pores present in the epidermal cells of leaves in plants. Stomata are open during the day and close during night.Stomata take in carbon dioxide required for the photosynthetic act...

Asked by Devansh

Mar 22

  • 3 Answers
  • 6 Likes
  • 91160 Views
Agam answered 1 year(s) , 8 month(s) ago

What is nutrition? Explain different types of nutrition.

Answer.

Nutrition is the process by which an organism procures its nourishment, the supply of nutrients required by its body and cells to stay alive. Nutrition is of two types namely, autotrophi...

Asked by Saimeghana

Feb 18

  • 4 Answers
  • 7 Likes
  • 82380 Views
Aruna kavitha answered 3 year(s) , 9 month(s) ago

Differentiate between breathing and respiration.

Sol:
Both breathing and respiration are inevitable for the living organisms.  Breathing Respiration Breathing is a mechanical action involving the act of inhaling and exhaling. Breathing involves t...

Asked by BAISHALI

Jun 18

  • 1 Answer
  • 6 Likes
  • 49377 Views
Syeda answered 1 year(s) , 9 month(s) ago

What is the role of the brain in reflex action?

controles the involentery action

Asked by Manikanth

May 17

  • 5 Answers
  • 4 Likes
  • 44966 Views
Syeda answered 1 year(s) , 10 month(s) ago

What is the difference between albuminous and exalbuminous seeds?

Sol:
Albuminous seeds are the seeds which have food stored in the special nourishing tissue called as endosperm that remains persistent till maturity. Cotyledons only act as food sucking organs and not...

Asked by Kiran

Feb 13

  • 2 Answers
  • 1 Like
  • 41861 Views
Thomas commented 1 month(s) , 13 day(s) ago

Differentiate between autotrophic nutrition and heterotrophic nutrition

AUTOTROPHIC NUTRITION HETEROTROPHIC NUTRITION 1) it means that the organism prepare its own food and is not dependent on any other organism. 1) it means that the organism does not prepare its own food and dep...

Asked by Bhanu

Jul 8

  • 1 Answer
  • 6 Likes
  • 40691 Views
Syeda answered 1 year(s) , 10 month(s) ago

Difference between Fragmentation and Regeneration

Fragmentation

Regeneration

1. Fragmentation occurs in multi-cellular organisms with simple body organisation.

1. Regeneration occurs in fully

...

Asked by Rohit

Mar 9

  • 3 Answers
  • 2 Likes
  • 39860 Views
Syeda answered 1 year(s) , 10 month(s) ago

under what conditions does patient need to take a drip of glucose?

Answer.

A patient should be given glucose drip when he is dehydrated. Glucose drip is also given when the patient is unable to take his food orally.
Dehydration occurs when water and ele...

Asked by Ramakrishna

Jul 20

  • 3 Answers
  • 5 Likes
  • 38150 Views
Syeda answered 1 year(s) , 9 month(s) ago

How are the areas of study evolution and classification interlinked?

Answer.

Organisms differ in their form, structure and mode of living. Hence, based on their similarities they should be grouped. The grouping of related organisms helps us in studying their evolu...

Asked by Deepshikha

Dec 13

  • 3 Answers
  • 2 Likes
  • 37708 Views
Ankit commented 1 year(s) , 1 month(s) ago

What is the difference between inherited traits and acquired traits?

Sol:

Inherited traits are the characters which are inherited by the offspring from the parents. These traits are present in the form of genetic material, DNA. Genetic material...

Asked by Josheph

Feb 12

  • 2 Answers
  • 6 Likes
  • 37066 Views
Syeda answered 1 year(s) , 9 month(s) ago

Define reflex action.

Answer.

Reflex actions are sudden, involuntary reactions of the body in response to stimuli. They occur without the involvement of the conscious areas of the brain. Therefore, all reflex actions...

Asked by Devansh

Mar 17

  • 2 Answers
  • 2 Likes
  • 34806 Views
Syeda answered 1 year(s) , 9 month(s) ago

List out various glands in human digestive system? Explain.

Answer.


a) Salivary glands secrete saliva along with enzymes.Ptyalin is the strach hydrolysing enzyme secreted by salivary glands in human beings. It is also called as...

Asked by Prateek

Jul 4

  • 2 Answers
  • 1 Like
  • 34179 Views
Syeda answered 1 year(s) , 9 month(s) ago

What is transpiration pull? How is it caused?

Answer.

Transpiration pull or the suction force is the force which aids in drawing the water upward from roots to leaves.  In leaves, some amount of water is used for photosynthesis and excess w...

Asked by Devansh

Mar 22

  • 2 Answers
  • 2 Likes
  • 32919 Views
Syeda answered 1 year(s) , 10 month(s) ago

What is 10 percent law?

Sol:

10% energy transfer law in the food chain is put forth by Lindeman. A pyramid of energy depicts the energy flow form one trophic level to another trophic level in the food chain. According to 10 percen

...

Asked by Yash

Jan 3

  • 4 Answers
  • 8 Likes
  • 30952 Views
Agam answered 1 year(s) , 5 month(s) ago

(2) what is phytohormone? Name the four plant hormones

Hormones present in the plant are called as phytohormones. Phytohormones help in coordinating growth, development and response of the plant to the environment. Hormones are the chemical compounds released by...

Asked by R murali

Jul 18

  • 3 Answers
  • 0 Like
  • 28872 Views
Syeda answered 1 year(s) , 9 month(s) ago

what is tropism explain its types ?

the plant which moves towards the stimulus is known as traphism. there are 4 types pf trophism.they are
1.hydrotrophism:the plant which moves towards water during its growth.
2.geotrophism:the p...

Asked by Balaji

Aug 6

  • 11 Answers
  • 6 Likes
  • 28119 Views
Syeda answered 1 year(s) , 9 month(s) ago

How are the lungs designed in human beings to maximise the area for exchange of gases?

Sol:
Respiration in human beings takes place through a special system called as respiratory system.This involves nostrils, nasal cavity, larynx, bronchi, bronchioles ending in alveoli inside the lungs....

Asked by Sparsh

May 14

  • 4 Answers
  • 0 Like
  • 27317 Views
Syeda answered 1 year(s) , 9 month(s) ago

What are the advantages and disadvantages of transpiration?

Answer.


Advantages of transpiration
Transpiration is helpful to plants in many ways.
It helps in the exchange of gases.
It helps in sending out excessively absorbed w...

Asked by Sudha eto

Feb 7

  • 3 Answers
  • 2 Likes
  • 27212 Views
Syeda answered 1 year(s) , 9 month(s) ago

what is emulsification?

It is the process of breaking down of large lipid droplets into small droplets. This provides a larger surface area on which enzyme pancreatic lipase can act to digest the fats into fatty acids and glycerol whi...

Asked by Prema

Jul 23

  • 2 Answers
  • 5 Likes
  • 27099 Views
Syeda answered 1 year(s) , 9 month(s) ago

What is the difference between a reflex action and walking? What happens at the synapse between two neurons?

Answer.


1)  Reflex actions are sudden, involuntary reactions of the body in response to stimuli. They occur without the involvement of the conscious areas of the brain. T...

Asked by Priya

May 21

  • 2 Answers
  • 4 Likes
  • 26615 Views
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