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प्रश्न
Name the factors which take part in this process.
उत्तर
There are various factors which are responsible for photosynthesis. The common factors are carbon dioxide, chlorophyll, water, light, and temperature.
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संबंधित प्रश्न
Define reproduction.
Where is DNA found in a cell ?
How does the amount of DNA remain constant though each new generation is a combination of DNA copies of two individuals?
Why is variation beneficial to the species but not necessarily for the individual?
Egg laid after fertilisation is made up of a single cell.
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 two parents?
Why are budding, fragmentation and regeneration, all considered to be asexual type of reproduction?
Fill in the following blank with suitable word :
the process of...........ensures continuity of life on earth.
What is a clone? Why do offsprings formed by asexual reproduction exhibit remarkable similarity?
Why is variation during reproduction beneficial to the species but not necessarily for the individual?
The protozoan having a flagellum at its one end is :
(a) Amoeba
(b) Paramecium
(c) Hydra
(d) Leishmania
In the list of organisms given below, those which reproduce by the asexual method are :
(i) banana
(ii) yak
(iii) yeast
(iv) Amoeba
(a) (ii) and (iv)
(b) (i), (iii) and (iv)
(c) (i) and (iv)
(d) (ii), (iii) and (iv)
Name two animals which undergo external fertilisation.
State whether the following statement is true (T) or false (F):
Dogs and cats reproduce from two parents.
Multiple choice question.
Insect pollinated flowers usually posses ______
Multiple choice question.
In ovule, meiosis occurs in ______
Multiple choice question.
In angiosperms, endosperm is formed by/ due to ______
Multiple choice question.
Which of these is the male reproductive organ in humans?
Sporoderm is made up of ______.
Self-incompatibility is found in flowers of plants _______.
______ is an example of helobial endosperm.
The single shield-shaped cotyledon in monocot seed is known as ______.
The example of dicot endospermic seed is ______.
What is hilum with respect to ovule?
Seminal fluid is ______ in nature.
Which of the following is not a part of the uterus?
What is morula?
Write two types of reproduction in plants.
Explain the term reproduction.
Assertion and Reason types of Question.
Assertion: In Banyan prop roots grow horizontally from the tree.
Reason: They give additional support to the tree.
Assertion and Reason types of Question.
Assertion: Corm is a condensed form of Bulb.
Reason: It has dry and fleshy scale leaves.
The term metamorphosis is not used while describing human development. Why?
Which of the following nucleus is unlike other nuclei in the female gametophyte of angiosperms?
The statement ‘nothing lives forever, yet life continues’ illustrates the role of ______.
Give reason for the following:
All multicellular organisms cannot give rise to new individuals through fragmentation or regeneration.
Choose the correct meaning of reproduction.
