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प्रश्न
The example of dicot endospermic seed is ______.
विकल्प
castor
pea
mango
bean
उत्तर
The example of dicot endospermic seed is castor.
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संबंधित प्रश्न
Where is DNA found in a cell ?
Name two animals which reproduce asexually.
What is the basic difference between asexual reproduction and sexual reproduction?
Which of the following organisms reproduce by sexual method and which by asexual method?
Amoeba, Cats, Humans, Hydra, Birds
What is meant by reproduction?
The offsprings formed by asexual reproduction method have greater similarity among themselves because :
(i) asexual reproduction involves only one parent
(ii) asexual reproduction involves two parents
(iii) asexual reproduction involves gametes
(iv) asexual reproduction does not involve gametes
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iv)
(d) (i) and (iv)The offsprings formed by asexual reproduction method have greater similarity among themselves because :
(i) asexual reproduction involves only one parent
(ii) asexual reproduction involves two parents
(iii) asexual reproduction involves gametes
(iv) asexual reproduction does not involve gametes
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iv)
(d) (i) and (iv)
What type of fertilisation takes place in fish?
State whether the following statement is true (T) or false (F):
Most organisms have the capacity of regeneration in some or the other way.
Differentiate between the following:
Asexual reproduction and sexual reproduction.
Match the following:
| Column ‘I’ | Column ‘II’ |
|
(1) Inhibits plant growth
|
(a) Breaks large fat globules into smaller ones
|
|
(2) Cytokinins
|
(b) Auxins
|
|
(3) Cellular respiration
|
(c) Mitochondria
|
|
(4) Bile
|
(d) Promote cell division
|
|
(e) Abscisic acid
|
By which process do green plants synthesize their food?
Answer the following question.
The growing size of the human population is a cause of concern for all people. The rate of birth and death in a given population will determine its size. Reproduction is the process by which organisms increase their population. The process of sexual maturation for reproduction is gradual and takes place while general body growth is still going on. Some degree of sexual maturation does not necessarily mean that the mind or body is ready for sexual acts or for having and bringing up children. Various contraceptive devices are being used by human beings to control the size of the population.
(a) List two common signs of sexual maturation in boys and girls.
(b) What is the result of reckless female foeticide?
(c) Which contraceptive method changes the hormonal balance of the body?
(d) Write two factors that determine the size of a population.
Multiple choice question.
Insect pollinated flowers usually posses ______
Multiple choice question.
Which of these is the male reproductive organ in humans?
______ is an example of helobial endosperm.
Which is the most common type of endosperm in angiospermic families?
What is the function of inner cell mass?
What are the causes for the extinction of animals?
Match the following.
| Column I | Column II |
| Fission | Spirogyra |
| Budding | Amoeba |
| Fragmentation | Yeast |
Assertion and Reason types of Question.
Assertion: In potatoes, shoot arises from eyes.
Reason: Eyes represent the buds.
