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Jaiyush19
Jaiyush19
@jaiyush19
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Joined: Sep 10, 2021
Last seen: Jul 13, 2023
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Topics: 2159 / Replies: 16
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Topic
There are three genes a, b, c. Percentage of crossing over between a and b is 20%, b and c is 28% a and c is 8%. What is the sequence of genes on chromosomes?
4 years ago
Forum
Biology
Replies: 0
Views: 72
Topic
In Drosophila, the sex is determined by (1) X and Y chromosomes (2) whether the egg is fertilized or develops parthenogenetically
4 years ago
Forum
Biology
Replies: 0
Views: 79
Topic
Genes for cytoplasmic male sterility in plants are generally located in
4 years ago
Forum
Biology
Replies: 0
Views: 67
Topic
No. of barr body present in each somatic cell of a female is
4 years ago
Forum
Biology
Replies: 0
Views: 74
Topic
Which of the following is correct match? (1) Hemophilia — Y-chromosome (2) Down's syndrome — 21st chromosome
4 years ago
Forum
Biology
Replies: 0
Views: 83
Topic
Which of the following is an example of sex linked disease?
4 years ago
Forum
Biology
Replies: 0
Views: 48
Topic
Which of the following is an example of pleiotropic effect?
4 years ago
Forum
Biology
Replies: 0
Views: 62
Topic
A gene is said to be dominant if (1) it expresses its effect both in homozygous and heterozygous condition (2) it expresses its effect only in homozygous state
4 years ago
Forum
Biology
Replies: 0
Views: 65
Topic
Match the organisms given in column I with the processes given in column II : Column I - Column II (i) Leech - (a) Holozoic nutrition (ii) Amoeba - (b) Autotrophic nutrition
4 years ago
Forum
Life Processes
Replies: 0
Views: 72
Topic
What are the functions of liver and pancreas in the human digestive system?
4 years ago
Forum
Life Processes
Replies: 0
Views: 89
Topic
Which part of the body secretes bile? Where is bile stored? What is the function of bile? (b) What is trypsin? What is its function?
4 years ago
Forum
Life Processes
Replies: 0
Views: 100
Topic
What is the role of hydrochloric acid in our stomach? (b) What is the function of enzymes in the human digestive system?
4 years ago
Forum
Life Processes
Replies: 0
Views: 79
Topic
What substances are contained in pancreatic juice? What are their functions?
4 years ago
Forum
Life Processes
Replies: 0
Views: 89
Topic
What substances are contained in gastric juice? What are their functions?
4 years ago
Forum
Life Processes
Replies: 0
Views: 72
Topic
How does carbon dioxide from the air enter the leaves of a plant to be used in photosynthesis? (b) How does water from the soil reach the leaves of a plant to be used in photosynthesis?
4 years ago
Forum
Life Processes
Replies: 0
Views: 74
Topic
Define (i) saprophyte and (ii) parasite. Name two saprophytes and two parasites.
4 years ago
Forum
Life Processes
Replies: 0
Views: 65
Topic
Define (i) saprophytic nutrition (ii) parasitic nutrition, and (iii) holozoic nutrition. Give one example of each type.
4 years ago
Forum
Life Processes
Replies: 0
Views: 76
Topic
(a) How do plants obtain food? (b) Why do plants need nitrogen? How do plants obtain nitrogen?
4 years ago
Forum
Life Processes
Replies: 0
Views: 124
Topic
(a) Photosynthesis converts energy X into energy Y. What are X and Y? (b) State the various steps involved in the process of photosynthesis.
4 years ago
Forum
Life Processes
Replies: 0
Views: 67
Topic
(a) Define a nutrient. Name four important nutrients present in our food. (b) What are the various types of heterotrophic nutrition?
4 years ago
Forum
Life Processes
Replies: 0
Views: 98
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