Questions and Answers on Reproduction Biology Class X
What is the importance of DNA copying in reproduction?
What is the importance of DNA copying in reproduction?
When a new plant is developed or caused to develop through stem, root or leaf the method is called as vegetative reproduction. In other words, vegetative reproduction means- reproduction through anyone of the vegetative parts of the plant.
Two organisms- male and female are essential for sexual reproduction. Now let us study some basic methods of reproduction in single organisms.
Living beings develop their population through reproduction. But reproduction is the process through which different traits appear in living beings. Variation is essential for evolution
Such bio-chemical and physiological management of body through which body activities remain in control while keeping up adjustments with different body organs
ASSESSMENT: NCERT QUESTIONS WITH ANSWERS
The reflex action is an involuntary action which goes on automatically. We don’t have any control on this type of action. Walking, on the other hand is a voluntary action which can be controlled and modified by us.
New Technologies are developed for improving and increasing industrial production. Similarly, new projects are formulated for providing energy to those industries.
The ductless gland found on kidney is called as adrenal gland. Each kidney has an adrenal gland on it. This gland is also called as “Supra Renal Gland”. It has two parts- the upper- cortex and the lower- medulla.
This is a pea sized major endocrine gland. It is protected by a boney cavity called Sella turcica of the sphenoid bone. It is a protrusion of bottom of Hypothalamus at the base of the brain. This gland is also called as Hypothesis.
Control and Coordination in animals are performed by the activities of different types of chemical substances. These chemical substances are known as Animal Hormones.
Auxins move to darker side of the part of a plant and cause cells of that side to grow larger. These may induce cell division as well. In both of these cases the part of the plant bends.
The biosphere has been composed of a number of highly complex ecosystems such as forests, grasslands, oceans, estuaries, deserts etc. These ecosystems have gone under threat over the years due to intensive human pressure of serious pollutions, habitats destructions, land, water bodies, wetlands and coastal zones reclamations and so on.











