CHAPTER-5 MOLECULAR BASIS OF INHERITANCE Q. 4 If the sequence of the coding strand in a transcription unit is writtenas follows: 5′-ATGCATGCATGCATGCATGCATGCATGC-3′ Writedown the sequence of mRNA. Answer: The sequence of mRNA will be 5′-AUGCAUGCAUGCAUGCAUGCAUGCAUGC-3′.Explanation: In a RNA strand thymine is replaced with uracil.The coding strand of mRNA is the […]
CLASS-12 BIOLOGY QUESTION-3
CHAPTER-4 PRINCIPLES OF INHERITANCE AND VARIATION Q. 3 A diploid organism is heterozygous for 4 loci; how many types ofgametes can be produced? Answer: If a diploid organism is heterozygous for 4 loci the different types ofgametes that can be produced can be calculated by the formula 2n,where “n” is […]
CLASS-12 BIOLOGY QUESTION-11
CHAPTER-2 HUMAN REPRODUCTION Q. 11 What are the major functions of male accessory ducts and glands? Answer:
CLASS-12 BIOLOGY QUESTION-12
CHAPTER-1 SEXUAL REPRODUCATION IN FLOWERING PLANTS. Q. 12 Why do you think the zygote is dormant for some time in a fertilized ovule? Answer: • The fusion of male gamete and nucleus of the egg cell leads to formation of zygote. • The zygote remains dormant for some time until […]
CLASS-12 BIOLOGY QUESTION-6
CHAPTER-1 SEXUAL REPRODUCATION IN FLOWERING PLANTS. Q. 6 With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte. Answer: i) The megaspore mother cell in flowering plants undergoes reduction division to form 4 haploid megaspores. ii) Out of these 4 megaspores, 3 degenerate and the remaining one […]
CHAPTER-13 QUESTION-20
CLASS-11 MATHS CHAPTER-13 STATISTICS
CHAPTER 3 EXERCISE 6.3 Q-4
CLASS 12 MATHS CHAPTER 6 APPLICATIONS OF DERIVATIVES EXERCISE 6.3
CHAPTER-3 Q-1
CLASS 12 ENGLISH (FLAMINGO) PROSE CHAPTER-3 DEEP WATER UNDERSTANDING THE TEXT Question- 1 How does Douglas make clear to the reader the sense of panic that gripped him as he almost drowned? Describe the details that have made the description vivid? Answer: Douglas takes us through every detail of his […]