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प्रश्न
Give biological explanations for All the food chains begin with green plants.
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उत्तर
Green plants are the only organisms that are able to synthesize food from CO2 and H2O in presence of chlorophyll and sunlight. However, animals depend upon plants for food. Therefore, all food chains begin with green plants
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संबंधित प्रश्न
Give technical terms for Thin walled sac of skin which covers the testes
Mention two functions of human testes.
Mention two functions of human ovaries.
What is the scientific name of womb?
The male gametes in a flower and in a human are produced respectively in :
(a) stigma and ovary
(b) anther and style
(c) ovary and testes
(d) anther and testes
The vagina is a muscular tube.
Choose the correct answer:
First menstrual cycle is known as ___________
Give Reasons
At the time of birth, the testes descend into the scrotal sacs.
The below diagram is of a developing embryo is a mother’s womb:
(i) Write the functions of the placenta, amnion, and umbilical cord.
(ii) How are the waste products of a fetus removed?
(iii) What is the gestation period?
Choose the Odd One Out:
