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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) ago

What is placentation? What are the different types of placenta seen in plants?

Sol:

Placentation refers to the arrangement of ovules within the ovary. Ovules are attached to ovarian walls through special structures called as placenta. Placentation can be marginal, axile, parietal, bas

...

Asked by Sagar

Dec 8

  • 2 Answers
  • 6 Likes
  • 48440 Views
Aruna kavitha answered 4 year(s) , 6 month(s) ago

Explain the structure of monocotyledonous seed.

Sol:

Based on the number of cotyledons present in the seed, all flowering plants are classified into monocots and dicots. Monocots have single cotyledon in their seeds. Grains, banana, palm, onions, and gra

...

Asked by Sagar

Dec 8

  • 1 Answer
  • 2 Likes
  • 16303 Views
Aruna kavitha answered 4 year(s) , 6 month(s) ago

What is Axile Placentation ? Explain with the help of a diagram.

Sol:

Placentation refers to the arrangement of ovules within the ovary. Ovules are attached to ovarian walls through special structures called as placenta.  Axile placentation is the type of pla...

Asked by Sagar

Nov 18

  • 1 Answer
  • 0 Like
  • 10197 Views
Aruna kavitha answered 4 year(s) , 10 month(s) ago

1)write differences between root cap and root pocket with examples. differntiate between Bracteate and Ebracteate with diagram.

Sol:
*Root cap otherwise called as calyptra is a loose mass of epidermal cells covering the apex of the root. It protects the smooth tip of the growing root giving it mechanical strength to penetrate th...

Asked by Venkatesh

Jul 28

  • 1 Answer
  • 0 Like
  • 9797 Views
Aruna kavitha answered 4 year(s) , 10 month(s) ago

Parietal placentation:In this type of placentation, the ovules develop on the inner wall of the ovary. Ovary has a single chamber but appea..

Sol:
False septum in Mustard is also called a replum which grows during the process of dehiscence in fruits. It separates two valves of the fruit. The ovary is monolocular in the beginning but later it...

Asked by Venkatesh

Jul 29

  • 1 Answer
  • 1 Like
  • 9280 Views
Agam answered 1 year(s) , 7 month(s) ago

what is the difference between imbricate aestivation and twisted aestivation.explain with examples and diagram.

The arrangement of accessory whorls (calyx, corolla) in relation to one another in the floral bud is called as aestivation.

The different types of aestivation are:

Type

Descript

...

Asked by Venkatesh

Jul 29

  • 2 Answers
  • 0 Like
  • 7055 Views
Syeda answered 1 year(s) , 2 month(s) ago

Give reason Onion bulb is a modified stem.

Answer.

Onion bulb stems are modified plant structures that derive from stem tissue but exist under the soil surface. Stems have nodes with buds where leaves and flowers arise at specific locati...

Asked by Kasi

Apr 2

  • 2 Answers
  • 0 Like
  • 6794 Views
Surya rao answered 5 year(s) , 2 month(s) ago

Why are the leaves of cactus plants modified into spines?

Leaves of cactus plants are modified into spines to reduce loss of water through transpiration.

Asked by Kasi

Apr 2

  • 1 Answer
  • 0 Like
  • 6129 Views
Aruna kavitha answered 3 year(s) , 10 month(s) ago

What is ETS? Explain with the help of a diagram.

Sol:
The metabolic pathway of electron transport is called as electron transport system or ETS.
Glycolysis and Krebs cycle result in the formation of reduced coenzymes such as 10 molecules of NA...

Asked by Adithyan

May 5

  • 2 Answers
  • 1 Like
  • 5004 Views
Syeda answered 2 year(s) , 1 month(s) ago

WHAT IS EPIPETALOUS

Answer.

Epipetalous are those flowers in which the androecium anther is attached with the petals of the flower bt since in some plants like lily sepals and petals are the same which are called p...

Asked by Robin r

Jul 28

  • 2 Answers
  • 1 Like
  • 4189 Views
Aruna kavitha answered 3 year(s) , 10 month(s) ago

What happens when a plant cell is placed in a solution with higher water potential?

Sol:
Turgor pressure is the pressure exerted by the cytoplasm on the cell wall.
During osmosis, when the cell is placed in a hypotonic solution (solution with less solutes and higher water poten...

Asked by Adithyan

May 5

  • 2 Answers
  • 0 Like
  • 3729 Views
Surya rao answered 5 year(s) , 2 month(s) ago

Why are the leaves of cactus plants modified into spines?

Leaves of cactus plants are modified into spines to reduce the loss of water through transpiration.

Asked by Kasi

Apr 2

  • 1 Answer
  • 1 Like
  • 3368 Views
Aruna kavitha answered 4 year(s) , 6 month(s) ago

What is aleurone layer? Write a short note on it.

Sol:

Generally monocotyledenous seed has an endosperm, a nutritive tissue in the seed. Its main function is to nourish the embryo enclosed in the seed. Aleurone layer is protein rich coat formed by

...

Asked by Sagar

Dec 8

  • 1 Answer
  • 0 Like
  • 3058 Views
Aruna kavitha answered 4 year(s) , 10 month(s) ago

Marginal placentation:The placenta forms a ridge along the ventral suture of the ovary and the ovules are borne on the ridge. from the abov..

Sol:
The ovary in which the placenta forms a ridge along the ventral suture of the ovary and the ovules develop on two separate rows is known to have marginal placentation.
The suture that is fo...

Asked by Venkatesh

Jul 29

  • 1 Answer
  • 0 Like
  • 2870 Views
Aruna kavitha answered 4 year(s) , 10 month(s) ago

why epicalyx is not considered the outermost whorl? define epicalyx . what is the difference between function of calyx and epicalyx.

Sol:
Calyx is the outermost floral whorl consisting of green leaf-like structures, the sepals, which protect the delicate inner parts of the flower while it is developing and prevent it from desiccating...

Asked by Venkatesh

Jul 29

  • 1 Answer
  • 0 Like
  • 2701 Views
Surya rao answered 5 year(s) , 2 month(s) ago

What is perianth?

In some flowers calyx and corolla are undifferentiated and cannot be distinguished. They are termed perianth, e.g. Lily.

Asked by Kasi

Apr 2

  • 2 Answers
  • 1 Like
  • 2680 Views
Aruna kavitha answered 3 year(s) , 10 month(s) ago

What are the two crucial steps of aerobic respiration? Where do they take place?

Sol:
Two crucial steps in aerobic respiration are Glycolysis and Krebs cycle.
Respiration is the process by which chemical energy stored in the food is released in the form of...

Asked by Adithyan

May 5

  • 1 Answer
  • 0 Like
  • 2478 Views
Surya rao answered 5 year(s) , 2 month(s) ago

Complete and incomplete flower?

A flower having all the four types of floral organs is known as complete. The absence of any one or more of the floral organs makes the flower incomplete.

Asked by Kasi

Apr 2

  • 2 Answers
  • 0 Like
  • 2012 Views
Aruna kavitha answered 4 year(s) , 10 month(s) ago

why are corolla and calyx called the accesory whorls?

Sol:
Calyx is the outermost floral whorl consisting of green leaf-like structures, the sepals, which protect the delicate inner parts of the flower while it is developing and prevent it from desiccating...

Asked by Venkatesh

Jul 28

  • 1 Answer
  • 0 Like
  • 1759 Views
Surya rao answered 5 year(s) , 2 month(s) ago

Why is the leaf of Bombax categorised as palmately compound multifoliate leaf?

In Bombax, the petiole bears five or more leaflets at the tip like the fingers of the palm. Therefore, it is categorized as palmately compound multifoliate leaf.

Asked by Kasi

Apr 2

  • 1 Answer
  • 0 Like
  • 1698 Views
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