Please select a subject first
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State the exact location of the Proximal convoluted tubule.
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State the main function of the Leydig cells
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State the main function of the Corpus luteum
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Differentiate between Sperm duct and fallopian rube (function)
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the Biological/technical term for The canal through which the testes descend into the scrotum just before the birth of a male baby
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Give scientific reasons: When an ovum gets fertilized, menstrual cycle stops temporarily in a woman.
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Give scientific reasons: Mature erythrocytes in humans lack nucleus and mitochondria
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The diagram given below is that of a developing human foetus. Study the diagram and then answer the questions that follow:
(i) Label the parts numbered 1 to 3 in the diagram.
(ii) Mention any two functions of the part labelled 2 in the diagram.
(iii) Explain the significance of the part numbered 3 in the diagram.
(iv) Define the term ‘Gestation’. What is the normal gestational period of the developing human embryo?
(v) Mention the sex chromosomes in a male and female embryo.
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The structure formed by the villi of the embryo and the uterus of the mother.
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A single highly coiled tube where sperms are stored gets concentrated, and mature is known as ______
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fill in the blanks with suitable functions: Seminiferous Tubule and _____
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Match the Column:
| no | Column A | Column B |
| 1 | Allele | Control of automobile exhaust |
| 2 | Leydig cells | Tourniquet |
| 3 | Utriculus | Alternate forms of genes |
| 4 | Snake bite | Dynamic equilibrium |
| 5 | Euro IV norms | Testosterone |
| Sudden change in genes | ||
| Static equilibrium |
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State the main function of the Sperm duct.
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The site of maturation of human sperms is the
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Explain Biomedical waste
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Give technical terms for Thin walled sac of skin which covers the testes
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Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong :
Prostate gland, Cowper’s gland, seminal vesicle, seminiferous tubules
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Given below are diagrams showing the different stages in the process of fertilisation of an egg. in the human female reproductive tract.
Study the diagrams and answer the questions:
1) Arrange the letters given below each diagram in a logical sequence to show the correct order in the process of fertilisation.
2) Where does fertilisation normally take place? and What is ‘Implantation’ that follows fertilisation?
3) Mention the chromosome number of the egg and zygote in humans.
4) Explain the term ‘Gestation’. How long does Gestation last in humans?
5) Draw a neat, labelled diagram of a mature human sperm.
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Give biological explanations for The placenta is an important structure for the development of a foetus
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Give biological explanations for All the food chains begin with green plants.
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