Q1.Assertion: Organic evolution explains that new species originated from pre-existing life forms and there is gradual variation in trait to adjust in particular habitats. Reason: existing living forms share similarities to various degrees among themselves and also with life forms that existed millions of years ago.
Answer : Option CExplaination / Solution:
Organic evolution are the events involved in the evolutionary development of a species. It means that all life descended from other life, although features may have changed dramatically along the way.
Charles Robert Darwin collected the observations on animal distribution and the relationship between living and extinct animals. He found that existing living forms share similarities to varying degrees not only among themselves but also with the life forms that existed millions of years ago, some of which have become extinct.
Answer : Option DExplaination / Solution:
Lucinate collenchyma is very much alike to angular collenchyma but the cells are regularly arranged. Thickening occurs at theinner and outer tangential wall. It is found in cucurbita stem.
Answer : Option DExplaination / Solution:
Houseflies are insects of the order Diptera, the name being derived from the Greek di = two, and ptera = wings
Q8.Plant growth regulator that is used in delay in leaf senescence is
Answer : Option BExplaination / Solution:
Cytokinins help overcome the apical dominance. They promote nutrient mobilisation which helps in the delay of leaf senescence.
Answer : Option AExplaination / Solution:
Industrial Policy Resolution of 1956 (IPR 1956) is a resolution adopted by the Indian Parliament in April 1956. It was the first comprehensive statement on industrial development of India. The 1956 policy continued to constitute the basic economic policy for a long time.
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Scored Mark :
Mark for Correct Answer : 1
Mark for Wrong Answer : -0.5
Mark for Left Answer : 0