Practise drawing various animals and pla | Class 12 Biology Chapter Evolution, Evolution NCERT Solutions

Given below is a list of autotrophs and heterotrophs. With your knowledge about food chain, establish various linkages between the organisms on the principle of ‘eating and being eaten’. What is this inter-linkage established known as?
Algae, hydrilla, grasshopper, rat, squirrel, crow, maize plant, deer, rabbit, lizard, wolf, snake, peacock, phytoplankton, crustaceans, whale, tiger,
lion, sparrow, duck, crane, cockroach, spider, toad, fish, leopard, elephant, goat, Nymphaea, Spirogyra.

Q: If a marine fish is placed in a fresh water aquarium, will the fish be able to survive? Why or why not?

Q: State True/False with explanation
(a) Abortions could happen spontaneously too. (True/False)
(b) Infertility is defined as the inability to produce a viable offspring and is always due to abnormalities/defects in the female partner. (True/False)
(c) Complete lactation could help as a natural method of contraception. (True/False)
(d) Creating awareness about sex related aspects is an effective method to improve reproductive health of the people. (True/False)

Q: Why is apple called a false fruit? Which part(s) of the flower forms the fruit?

Though the conflict between humans and wildlife started with the evolution of man, the intensity of conflict has increased due to the activities of modern man. Justify your answer with suitable examples.

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Reference examples and data from the chapter when answering questions about Evolution.
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Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 1 , Question 7: Practise drawing various animals and plants.....

Practise drawing various animals and pla | Class 12 Biology Chapter Evolution, Evolution NCERT Solutions

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