Please select a subject first
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What is the function of macrophages in immune defense?
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From the following which option correctly represents the normal genetic constitution of a ovum?
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Amniocentesis can be used to determine ______.
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How is contraception achieved by a contraceptive pill?
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There are five daughters and no son in a family. It is because
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How is contraception achieved with intra uterine devices such as copper T and loop?
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Richmond-Lang effect is a consequence of which plant hormone?
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In plants, cytokinin does not perform the function of ______
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Which type of sex determination is observed in honey bee?
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Match the items of Column I with Column II:
| Column I | Column II | ||
| i. | XX-XO method of Sex Determination | a. | Turner syndrome |
| ii. | XX-XY method of Sex Determination | b. | Female heterog ametic |
| iii. | karyotype-45 | c. | Grasshopper |
| iv. | ZW-ZZ method of Sex Determination | d. | Female homogametic |
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______ refers to the DNA strand which is oriented in a 5' → 3' direction and is not involved in RNA synthesis.
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Diploid larvae which get royal jelly as food develops into ____________ and other develops into workers (sterile females).
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What is the number of spinal nerves in humans?
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Identify the organism in which ZZ-ZW type of sex determination is observed.
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What is the term used for the gonorrhoea infection caused to girls before puberty?
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Which of the following are chemical barriers used as contraceptives?
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Select the INCORRECT statement.
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The receptors present in the carotid bodies which detect the decrease in CO2 concentration in blood are ____________.
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Which of the following organisms has haploid number of chromosomes?
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Which phytohormone is useful for formation of interfascicular cambium during secondary growth of plants?
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