Question 11 MarkIn Dinosaurs, the feathers provided insulation in cold weather.AnswerTrueView full question & answer→
Question 21 MarkBoth the types of pea plants, used as parent generation by Mendel in his experiments, were pure breeds in the expression of their characters.AnswerTrueView full question & answer→
Question 31 MarkAsexual reproduction generates generates a large proportion of variations.AnswerFalseView full question & answer→
Question 41 MarkTwo different species originated from a common ancestor can mutually reproduce amongst themselves.AnswerFalseView full question & answer→
Question 51 MarkSince the life originated on the earth, the evolution is a continuous, non-stop process.AnswerTrueView full question & answer→
Question 71 MarkIn the experiment performed by Mendel on dihybrid inheritance, there are four types of plants formed in the $F_1$ generation.AnswerTrueView full question & answer→
Question 81 MarkThe wings of birds and those of insects are homologous organ.AnswerFalseView full question & answer→
Question 91 MarkThe internal structure and arrangement of bones of the forelimbs of frog, lizard, bird, bat and man are different.AnswerFalseView full question & answer→
Question 101 MarkThe sex determination in human being occurs right at the time when the fertilisation occurs therein.AnswerTrueView full question & answer→
Question 111 MarkIn human being, the son obtains one X-chromosome from each of the two parents, the mother and the father.AnswerFalseView full question & answer→
Question 121 MarkGene is a definite segment of $DNA$, which possesses information for the synthesis of a specific type of protein.AnswerTrueView full question & answer→
Question 131 MarkIn Mendel's experiments, characters of both the parents were observed in $F_1$ generation.AnswerFalseView full question & answer→
Question 141 MarkThe garden pea plants of Pisum sativum selected by Mendel were having long life cycle and could be reared with lots of difficulties.AnswerFalseView full question & answer→
Question 151 MarkIn asexual reproduction, variations arise due to the changes occurring during $DNA$ copying.AnswerTrueView full question & answer→