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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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Syeda answered 1 year(s) , 10 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...

Asked by Keerthana

Dec 1

  • 7 Answers
  • 44 Likes
  • 202270 Views
Navneet answered 1 year(s) , 4 month(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...

Asked by Naman

Sep 8

  • 15 Answers
  • 10 Likes
  • 43740 Views
Syeda answered 1 year(s) , 9 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...

Asked by Dev

Oct 6

  • 3 Answers
  • 10 Likes
  • 43625 Views
Syeda answered 1 year(s) , 10 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...

Asked by Anshul

Apr 13

  • 3 Answers
  • 6 Likes
  • 35357 Views
Agam answered 1 year(s) , 7 month(s) ago

Explain the causes of depletion of the water table.

1. Due to rise in population.
2. Increase in agriculture.
3. Increase in industrialization.
4. Deforestation.

Asked by Prathna

Jan 29

  • 10 Answers
  • 8 Likes
  • 34052 Views
Syeda answered 1 year(s) , 10 month(s) ago

Draw a labelled diagram of human excretory system.

Sol:

Excretory system in humans
The excretory system in human beings includes a pair of kidneys, a pair of ureters, a urinary bladder, and a urethra. This is also known...

Asked by Dwaarakesh

Nov 21

  • 5 Answers
  • 0 Like
  • 30035 Views
Rishil answered 3 year(s) , 6 month(s) ago

Why do veins have thinner walls than arterirs?

Answer:-
See,in arteries the oxygenated blood is carried , heart needs to give this blood to all parts of the body except pulmonary artery which carries deoxygenated blood.So , to supply this red blood i...

Asked by Sradha

Feb 2

  • 13 Answers
  • 2 Likes
  • 21104 Views
Syeda answered 1 year(s) , 10 month(s) ago

How do unicellular organisms respire

Unicellular organisms do not breathe in the typical sense, but they respirate by allowing oxygen to enter the cell membrane through the process of diffusion. Because they are so small, they do...

Asked by Alia

Jul 21

  • 14 Answers
  • 2 Likes
  • 18798 Views
Syeda answered 1 year(s) , 9 month(s) ago

mention 5 steps in the process of animal nutrition

Answer.

    1) Ingestion 2) Digestion 3) Assimilation 4) Absorbtion 5) Egestion       

Asked by Gauri

May 23

  • 5 Answers
  • 0 Like
  • 18507 Views
Dr k kesava answered 4 year(s) , 10 month(s) ago

Extended Learning - Activities and Project

Vitamins are organic compounds which are needed in small quantities to sustain life. We get vitamins from food, because the human body either does not produce enough of them, or none at all.
Thirteen vi...

Asked by Kinsuk

May 15

  • 1 Answer
  • 7 Likes
  • 18028 Views
Syeda answered 1 year(s) , 9 month(s) ago

What happens to a raisin when put into a sugar solution?

Sol:
Osmosis is the movement of water molecules from a region of lower concentration of solute ( inside raisin)  to a region of higher concentration of solute (sugar solution )  through a semipermeable...

Asked by Mehak

Feb 28

  • 3 Answers
  • 0 Like
  • 17502 Views
Syeda answered 1 year(s) , 9 month(s) ago

Name the glands associated with the alimentary canal in man.Mention their secretions.

Answer.

    1. Salivary glands: These produce saliva 2. Gastric glands: These secrete gastric juice 3. Intestinal glands: These secrete intestinal juice 4. Liver: It secretes bile 5. Pancreas: I...

Asked by Gauri

May 23

  • 3 Answers
  • 0 Like
  • 17383 Views
Soumashree answered 5 year(s) , 1 month(s) ago

Symbiotic relationship?

Symbiotic relationship is a relationship in which two organism live together benifiting each other. For explanation in simplest way we can say the use the policy give and take.

ex- nitrifying ba...

Asked by Navneet

Mar 14

  • 4 Answers
  • 4 Likes
  • 17162 Views
Syeda answered 1 year(s) , 9 month(s) ago

Green lungs

Plants release oxygen by taking the carbondioxide through the process of photosynthesis. This oxygen help animal survival. Plants also maintain the balance of carbondioxide in the atmosphere .That is why forest...

Asked by Rinku

Mar 6

  • 4 Answers
  • 4 Likes
  • 17042 Views
Aruna kavitha answered 4 year(s) , 4 month(s) ago

What is symbiosis? Explain with an example.

Sol:

Symbiosis is the phenomenon by which two organisms maintain relationship with each other to be mutually benefitted. In symbiotic mode, organisms develop a special relation...

Asked by Nikhilsingh

Nov 28

  • 1 Answer
  • 2 Likes
  • 15759 Views
Aruna kavitha answered 4 year(s) , 1 month(s) ago

What are the different types of excretory organs in different animals?

Sol:
Excretion is the process by which an organism eliminates the waste products produced as a result of the metabolic processes of the body. Various organisms have various excretory organs to excrete t...

Asked by Sangamesh

Mar 5

  • 1 Answer
  • 1 Like
  • 15704 Views
Agam answered 1 year(s) , 8 month(s) ago

why do organisms need to take food?

organisms need to intake food to get enery , to repair their damaged parts and to carry to life processes

Asked by Syed

Jul 13

  • 7 Answers
  • 2 Likes
  • 15352 Views
Syeda answered 1 year(s) , 9 month(s) ago

What is a food chain? Explain with an example.

Food Chain is a series of organisms each dependent on the next as a source of food. Example:
Grass - Rabbit - Cat - Dog - Tiger

Asked by Marliya

Mar 10

  • 3 Answers
  • 1 Like
  • 13850 Views
Aruna kavitha answered 4 year(s) , 4 month(s) ago

What is spore formation?

Sol:

Spore formation is one form of asexual reproduction. Spore formation is the method of developing new individuals by forming reproductive structures called spores. *A spore is a small sph...

Asked by Keerthana

Dec 10

  • 1 Answer
  • 4 Likes
  • 12964 Views
Seema varghese answered 5 year(s) , 4 month(s) ago

Explain the mechanism of breathing in humans

When we inhale air,it passes through our nostrils into the nasal cavity. from the nasal cavity,the air reaches our lungs through the wind pipe.lungs are present in the chest cavity.this cavity is sorrounded by...

Asked by Neha

Dec 4

  • 1 Answer
  • 2 Likes
  • 12884 Views
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