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Question & Answer Forum

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Syeda answered 1 year(s) , 4 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
  • 29 Likes
  • 163100 Views
Navneet answered 10 month(s) , 14 day(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
  • 39253 Views
Syeda answered 1 year(s) , 3 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
  • 34636 Views
Syeda answered 1 year(s) , 4 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
  • 5 Likes
  • 32127 Views
Agam answered 1 year(s) , 1 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
  • 7 Likes
  • 27253 Views
Rishil answered 2 year(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
  • 17350 Views
Syeda answered 1 year(s) , 3 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
  • 16951 Views
Syeda answered 1 year(s) , 4 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
  • 15728 Views
Syeda answered 1 year(s) , 3 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
  • 15519 Views
Dr k kesava answered 4 year(s) , 4 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
  • 5 Likes
  • 15218 Views
Syeda answered 1 year(s) , 3 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
  • 15179 Views
Aruna kavitha answered 3 year(s) , 10 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
  • 13516 Views
Soumashree answered 4 year(s) , 7 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
  • 13486 Views
Aruna kavitha answered 3 year(s) , 7 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
  • 12670 Views
Agam answered 1 year(s) , 1 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
  • 12061 Views
Syeda answered 1 year(s) , 4 month(s) ago

How roughage is important

Roughage is simply referred as dietary fiber. It is the indigestible portion of food obtained from plants. They do not provide any nutrient to our body but play an essential part of a healthy diet plan. Functio...

Asked by Rinku

Feb 22

  • 15 Answers
  • 2 Likes
  • 11962 Views
Syeda answered 1 year(s) , 3 month(s) ago

Why do we get instant energy from glucose?

Sol:
Glucose is the simple form of carbohydrate which is readily used up by our body cells to provide energy. Glucose (dextrose) is the sole source of energy to the brain. Glucose undergoes oxidation in...

Asked by Sneha

Jun 10

  • 3 Answers
  • 1 Like
  • 11903 Views
Syeda answered 1 year(s) , 3 month(s) ago

We make our own food in the kitchen. This means that humans are also autotrophs. Do you agree? Give reasons.

Answer.

No humans are not autotrophs , they are heterotrophs because we humans depend on animals and plants for our nourishment . Humans cannot make their own things
for food. Plants are...

Asked by Pheba

Jun 6

  • 2 Answers
  • 5 Likes
  • 11727 Views
Syeda answered 1 year(s) , 3 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
  • 0 Like
  • 11355 Views
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