Please select a subject first
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Following are the diagrams of entry of pollen tube into ovule. Identify the type A and B.
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Match the columns :
| Column 'A' | Column 'B' | ||
| 1 | Mechanical means | a | Saheli |
| 2 | Physiological device | b | Jellies |
| 3 | Chemical device | c | Vasectomy |
| 4 | Permanent method | d | Diaphragm |
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Name any two birth control measures which have high chances of failure.
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The diagram represents a surgical sterilization method in males. Study the same and answer the questions that follow :
- Give the name of the surgical method represented in the diagram.
- Which part is ligated or cut?
- Name the corresponding surgical method conducted in females.
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The technique used to block the passage of sperm in male is______.
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Endosperm of angiosperm is __________.
(A) haploid
(B) diploid
(C) triploid
(D) tetraploid
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Describe the formation of helobial endosperm
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Sketch and Label the 'Structure of HIV'.
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‘HAART’ is suggested for the treatment of __________
(A) malaria
(B) cancer
(C) AIDS
(D) high chloesterol level
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Write a note on HIV.
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Short answer question.
Give the name of causal organism of syphilis and write on its symptoms.
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A confirmatory test used for detecting HIV infection is _________.
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What does the abbreviation AIDS stand for?
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Match the following
| Column I | Column II |
| a. AIDS | i. Antibody production |
| b. Lysozyme | ii. Activation of B-cells |
| c. B-cells | iii. Immunoglobulin |
| d. T-helper cells | iv. Tears |
| e. Antibody | v. Immunodeficiency |
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Write a short note on AIDS.
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The organism which causes Gonorrhoea is ______.
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What is glans penis?
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Name the hydrolytic enzyme secreted by the acrosome.
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AIDS is caused by ______.
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When the ELISA test was conducted on an immune-suppressed person, he tested positive for a pathogen.
- Identify the disease the patient is suffering from.
- Name the causative entity.
- Mention the cells of the body that are attacked by the pathogen.
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