Question
An examinee is required to answer the eight questions
out of 16 questions which are divided into two groups each containing eight questions each and he is not permitted to answer more than six questions from any group. In how many ways can he answer the eight questions?Solution
Required number of ways = (⁸C6 × ⁸C₂ + ⁸C5 × ⁸C₃ + ⁸C4 × ⁸C4 + ⁸C₃ × ⁸C5 + ⁸C₂ × ⁸C6) = (28 × 28 + 56 × 56 + 70 × 70 + 56 × 56 + 28 × 28) = 12,740
Which one of the following is not the law as per genetics?
Mendel chose ………….. pairs of contrasting characters for his study. In all the above crosses he obtained a definite phenotypic ratio of ………...
Jaya, a high yielding variety developed in India which outyield both its parent was a cross between
Which of the following forms of nitrogen is most prone to leaching?
Which of the following characters is not typical to class Mammalia?
The term used in genetics in which an offspring to resemble its parent is known as
Hybrid can be better defined as?
The type of inheritance in which a sex linked gene is inherited from grandfather to grandson through daughter is called as
Pleiotropy is a phenomenon in which ____
Sex-influenced traits are autosomal qualities that are impacted by sex. An example of sex influenced traits is