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Name the following:
Aquatic plants which are anemophilous.
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Name the following:
One plant each of Hypohydrophily and epihydrophily.
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Complete the following table:
| Sr. | Type of pollination | Agent | Kind of flower | Examples |
| (i) | ______ | Wind | ______ | Maize |
| (ii) | Chiropterophily | ______ | Dull colour, with strong fragrance, abundant nectar | Adansonia |
| (iii) | Entamophily | Insects | ______ | Rose/Jasmine |
| (iv) | Ornithophily | ______ | Brightly coloured, large and showy. They secrete profuse, dilute n ectar | ______ |
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Struggle between cow and cow to get grass is called ______.
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Explain sex determination in human beings.
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Answer the following questions related to sex determination in human beings:
i. What is sex chromosome?
ii. How many pairs of chromosomes are present in human beings?
iii. How is the sex of the human offspring determined?
iv. Draw a diagram depicting sex determination in man.
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Explain the mechanism of sex determination in birds.
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Name the species used in sericulture. Name the stages in the life cycle of a silk moth in cyclic form.
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Which of the following is an example of ZW – ZZ type of mechanism of sex determination?
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Explain the mechanism of 'sex determination' in birds. How does it differ from that of human beings?
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Write names of two hormones produced by pancreases.
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________ shows haplo-diploid type of sex-determination.
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With the help of a chart, explain the method of sex determination in honeybees.
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Drone of the honeybees shows haploid number of chromosomes. Illustrate.
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In which livings, female decides the sex? Give two examples.
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Very very short answer question.
Name the hormone which is an anti-abortion hormone.
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Describe the endocrine role of islets of Langerhans.
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Very short answer question.
Mention the function of testosterone?
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Short answer question
State the site of production and function of Secretin, Gastrin, and Cholecystokinin.
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Short answer question
Name the secretion of alpha, beta, and delta cells of islets of langerhans. Explain their role.
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