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Syeda answered 1 year(s) , 1 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
  • 27 Likes
  • 148613 Views
Navneet answered 8 month(s) , 9 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
  • 8 Likes
  • 36868 Views
Syeda answered 1 year(s) , 1 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
  • 29732 Views
Syeda answered 1 year(s) , 1 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
  • 28558 Views
Agam answered 11 month(s) , 21 day(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
  • 25332 Views
Rishil answered 2 year(s) , 10 month(s) ago

Why do veins have thinner walls than arterirs?

In veins carbon dioxide rich blood flows which has less pressure, where as in artries oxygen rich blood flows which has high pressure. So arteries have thick elastic walls.

Asked by Sradha

Feb 2

  • 13 Answers
  • 2 Likes
  • 15893 Views
Syeda answered 1 year(s) , 1 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
  • 15400 Views
Syeda answered 1 year(s) , 1 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
  • 14663 Views
Syeda answered 1 year(s) , 1 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
  • 14259 Views
Syeda answered 1 year(s) , 1 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
  • 14220 Views
Dr k kesava answered 4 year(s) , 2 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
  • 13724 Views
Aruna kavitha answered 3 year(s) , 8 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
  • 12400 Views
Syeda answered 1 year(s) , 1 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
  • 11597 Views
Soumashree answered 4 year(s) , 4 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
  • 11216 Views
Aruna kavitha answered 3 year(s) , 5 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
  • 11206 Views
Syeda answered 1 year(s) , 1 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
  • 11050 Views
Syeda answered 1 year(s) , 1 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
  • 4 Likes
  • 10782 Views
Syeda answered 1 year(s) , 1 month(s) ago

Green lungs

Answer.

    The plants release oxygen through the process of photosynthesis. The plants provide oxygen for animal respiration and also absorb carbon dioxide from the atmosphere. In this way plan...

Asked by Rinku

Mar 6

  • 4 Answers
  • 2 Likes
  • 10639 Views
Agam answered 11 month(s) , 24 day(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
  • 10306 Views
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