Constiutuent of air
Specify the constitution of the air before the life of originon the earth?
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The constituent of earth’s atmosphere was basically include:
a) Methane, b) Ammonia c) Hydrogen, and d) Water vapor.
In arthropods why gas is not exchange completed via cutaneous diffusion?
What is the main function of plant cell wall?
Specify the four main groups in which the study of plants is sub-divided?
According to Ruche, it should contain: I. External appearance and behavior or social stimulus vague; II. Inner awareness of self as a permanent organizing force; and III. The particular pattern or organization of measurable traits, both inner and outer. Schiff man
name the scientists and their discoveries / inventions in the field of genetics
Is there larval stage in the echinoderms?
Decision-making is an act of choice wherein an individual or a group selects a particular course of action from the available alternatives in a given situation. The basic characteristics of the decision-making process are as follows: I.
Explain the formation of gametes in the pteridophyte life cycle, through the mitosis or meiosis? State the type of meiosis which takes place in pteridophytes?
Give a brief description of the term pineal gland?
State the function of vitamin E? In which foods it is found?
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