Seeds - structure and germination - class-IX
Description: seeds - structure and germination | |
Number of Questions: 59 | |
Created by: Prabha Kade | |
Tags: botany seeds - structure and germination the life cycle of plants biology plants: structure and function reproductive morphology |
In pea, castor and maize ,the number of cotyledons are:
Coleorhiza and coleoptile are the protective sheaths covering _________ and _________ respectively.
A plant bears fruit, has column of vascular tissue and a tap root system, This plant is a/an.
Coleoptile and coleorhiza are absent in?
Perisperm differs from endosperm in
Which of the following is not a composite fruit?
Coir of coconut is obtained from
The fruit of family umbelliferae is
Which one among the following is the true nut?
Seed coat not thin, membranous in
The fruit of coconut is
Wheat grain is
Cotyledonary node of embryo lies between
A characteristic of castor seed is the presence of caruncle which develops from
In which plant the fruit is a drupe, seed coat is thin embryo, is inconspicuous, and endosperm is edible?
The legume fruit develops from
Which of the following is a dicot plant?
Coconut is which type of fruit?
The part of a seed which grows and develops into shoot on germination is
Caryopsis fruit is found in
Orchid seeds are
A berry fruit is
An example of monocot plant
Arrange the following in the order of their location from periphery to centre in the entire dicotyledonous plant body ______________.
Non-essential for seed germination is
The plant part which consists of two generations one within the other, is ____________.
In which of the following plants, cotyledons form the first pair of leaves?
Maize grain is
In which of the following, the seed germinates and still attached with the main plant?
After preparing a transverse section out of a cut piece of a
plant axis, it was seen that it has a C shaped open arch of
end arch collateral vascular bundles with secondary growth.
This indicates that it is a transverse section of _______________.
The scutellum observed in a gram of wheat or maize is comparable to which part of the seed in other monocotyledons?
A dicot plant lacking cotyledons is
In pea, castor and maize, the number of cotyledons are respectively
Dormancy caused by seed coat impermeability to water and gases can be broken by ______________.
Consider the following statements.
a. Orchids are monocotyledonous plants
b. Orchids have only ornamental value
c. All orchids are autotrophs
d. Some orchids are epiphytes
Which of these statements are correct?
Development of seed from an unfertilized egg is?
Mohologically, the spice-yielding part of turmeric is?
In view of the suicides committed by the poor farmers towards raising the commercial $F1$ hybrid seeds, a plant breeder wishes to supply them the hybrid seeds at a chapter cost. Which One of the following type of genetic stocks can be choose?
Polyembryony commonly occurs in.
Synthetic seeds are produced by.
________ is not an endospermic seed.
Stratification refers to a process in which seeds are subjected to a.
Which one of the following pairs is not correctly matched?
An example of a seed with endosperm, perisperm and car uncle is -
In which of the following fruits, a multicarpellary ovary is not found?
Which among the following is not a true tree?
Assertion: Maize is an albuminous seed.
Reason: Endosperm is completely absorbed by its growing embryo.
Choose the correct match out of the following.
List I | List II | ||
---|---|---|---|
A | Exalbuminous seed | 1 | Hypocotyl grows faster |
B | Epigeal germination | 2 | Endospermic seed |
C | Albuminous seed | 3 | Non-endospermic seed |
D | Hypogeal germination | 4 | Epicotyl grows faster |
Which of the following plant's seeds are used as 'Jeweller's weight'?
Cotyledons and testa respectively are edible parts in
In cereals, one or few outermost layers of the endosperm become highly specialised morphologically and physiological and constitute the aleurone tissue. Which of the following statements regarding aleurone tissue(or aleurone cells) is incorrect?
Which of the following is a simple one seeded fruit which has pappus?
Cotton of commerce is obtained from
Cotyledons and testa respectively are edible parts in
Coir of commerce is obtained from
The largest fruit is that of
Cotyledons and testa respectively are edible parts in
The botanical names of Jawar and Rice respectively are
Coir of commerce is obtained from which part of the Coconut?