Structure of a Dicot Seed

Q.

Differentiate between hypocotyl and epicotyl

Q. What is the function of micropyle?

Q.

What is the epicotyl of a seed?

Q.

The region of the axis between the point of attachment of cotyledons and the plumule is called __.

Q.

The tip of epicotyl is called as plumule. True or false?

1. False

2. True

Q.

Seeds absorb water through___which also helps in the diffusion of respiratory gases.

Q.

Name the following
The fleshy part of the seed or seed leaves.

Q.

In the seeds of dicots, the portion of embryonal axis, which lies above the level of cotyledons, is known as

1. Epicotyl

2. Scutellum

3. Coleorrhiza

4. Hypocotyl

Q.

In which of these parts of the seed of a castor is food stored?

1. radicle

2. plumule

3. cotyledons

4. endosperm

Q.

I am a distinct whitish oval scar on the concave side of the seed. Who am I?

1. Hilum

2. Tegmen

3. Testa

4. Micropyle

Q.

Give two examples of dicotyledonous non-endospermic seeds showing hypogeal germination.

Q.

In the diagram of a bean seed shown alongside, some parts are indicated by alphabets; Choose the answer in which these alphabets correctly match with the parts they indicate.

1. A = plumule, B = endosperm, C = radicle, D = hypocotyl

2. A = radicle, B = endosperm, C = plumule, D = coleoplite

3. A = plumule, B = cotyledon, C = hypocotyl, D = radicle

4. A = cotyledons, B = endosperm, C = hypocotyl, D = radical

Q. The region of the axis between the point of attachment of cotyledons and the plumule is called _.

1. hypocotyl
2. hypogeal
3. epicotyl
4. epigeal

Q. In ______________ seed germination epicotyl elongates and cotyledons lie below soil surface.

1. Viviparous
2. Hypogeal
3. Epigeal
4. None of these

Q.

Cotyledon, endosperm, embryo, hilum- odd one out and why

Q. What type of vennation is found in Leaf of Dicotyledonous plants

Q. Find out the incorrect statement.
A) Meristematic tissue cells have thin cellulosic walls​
B) More the cuticle, lesser will be the transpiration rate​
C) Apical and intercalary meristem increases the length of a plant​
D) Permanent tissue aids in plant's growth​

Q. Assertion :Stern develops from hypocotyl of embryo Reason: Internodes bear axillary buds

1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
3. If the assertion is true but the reason is false
4. If both the assertion and reason are false

Q. Respiratory exchanges in seeds occur through

1. Testa
2. Stomata
3. Micropyle
4. Hilum

Q.

The region of the axis between the point of attachment of cotyledons and the plumule is called ___

1. Epicotyl

2. Hypocotyl

3. Viviparous

4. Hypogeal

Q.

The region of the axis between the point of attachment of cotyledons and the plumule is called __.