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प्रश्न
Multiple choice question.
Presence of beard in boys is a _______.
पर्याय
primary sex organ
secondary sexual character
secondary sex organ
primary sexual character
उत्तर
Presence of beard in boys is a secondary sexual character.
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संबंधित प्रश्न
Find the odd one out:
Amoeba, Euglena, Planaria, Paramoecium
Which life process ensures that a plant or animal species will not disappear from this earth?
What is the name of the reproductive process :
which involves only one parent?
What is a clone? Why do offsprings formed by asexual reproduction exhibit remarkable similarity?
State whether the following statement is true (T) or false (F):
Dogs and cats reproduce from two parents.
Define the following:
Regeneration
Name the part of the cell where DNA is located?
Give reason for the following:
Vegetative propagation is practised for growing only some type of plants.
The example of dicot endospermic seed is ______.
What is hilum with respect to ovule?
Which is the most common type of endosperm in angiospermic families?
Nebenkern is ______.
Nervous system develops from ______ of embryonic layer.
What is morula?
The plant which propagates with the help of its leaves is ______.
Match the following.
| Column I | Column II |
| Fission | Spirogyra |
| Budding | Amoeba |
| Fragmentation | Yeast |
Identify the chromosome number of the endosperm in the following case. In an angiosperm a female plant having 2n = 24 is crossed with a male plant having 2n = 12.
Identify the homologous pair.
Which of the following nucleus is unlike other nuclei in the female gametophyte of angiosperms?
Give reason for the following:
All multicellular organisms cannot give rise to new individuals through fragmentation or regeneration.
