Question 13 MarksWhat are ecological pyramids and how are they formed. Explain there different typesAnswerselfView full question & answer→
Question 23 MarksWhat is a food chain. How many tpes are there. Explain each type of food chain with examples.AnswerselfView full question & answer→
Question 33 MarksWrite the causes and symptoms of pheny ketonuria and sickle cell anemia.AnswerselfView full question & answer→
Question 43 MarksWhat is linkage, write the chromosomal theory of genetics. How many types of linkage are there.AnswerselfView full question & answer→
Question 53 MarksWhat is xenogamy. Explain in detail the various adaptations found in plants for xenogamy.AnswerselfView full question & answer→
Question 63 MarksExplain apogamy and polyembryony. State the reasons for the occurrence of polyembryony.AnswerselfView full question & answer→