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Population was defined by Clarke in 1954.
The term population refers to the total number of individuals of a sp. occupying a particular geographic aera at a given time.
A sp. may have a single population or many population inhabiting diff. regions.
Population education is necessory for students to know about -
1. Uncontrolled population leads to environmental pollution, depletion of natural resources extinction of species.
2. Benefits to biosphere.
3. Advantages of a small family names to human.
4. Relation of population to the standards of life.
5. Methods of slowing down the growth of human population.
Which of the below refers to science concerned with the application of genetic principles to improvement of the human species? a) Eugenics b) Assortive mating c) Holandri
Nature of Metabolites in Sieve Tubes The phloem sap contains three major classes of organic compounds - organic acids, amino acids and sucrose besides some cations, anions and
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Mechanism of Phloem Transport The efficiency and magnitude of translocation of food material are evident from the annual yields of various crops and fruits. Now, the question
Which of the following are bound to hemoglobin when hemoglobin is in the R-state? Choose all that apply. 1. Fe2+ 2. CO2 3. 2,3-bisphosphoglycerate 4. Fe3+ 5. Oxygen
State one benefit of including vegetable fibre (roughage) in the diet Vegetable fibre retains water (keeping the faeces soft and bulky), stops constipation, decreases the
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Phagocytosis is the ingestion of huge particles like as bacteria and cell debris by large endocytic vesicles called as phagosomes. In order to be ingested the particle must first
Q. What is Normalisation of Inverted T-Waves? In patients with flat or inverted T-waves at rest, the evolution to an upright T-wave has been considered by some to be a sign of
Q. Show Coding for stimulus intensity? Coding for stimulus intensity: If AP's are all-or-none responses that do not vary in amplitude, how does the NS distinguish between stim
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