Please select a subject first
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Complete the following by choosing the proper option.
Stomata : Transpiration :: Hydathode : ____________.
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Which of the following develops through parthenogene is?
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Chromosomal constitution of normal human females can be written as ______.
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When ovulation does not occur during the period of intense lactation following parturition, it is termed as ______.
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Which plant hormone reverses the effect of apical dominance?
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Why is transpiration less in the still wind?
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Identify the incorrect statement regarding ‘Saheli’.
- Statement I: It's an oral steroid contraceptive developed by ORI.
- Statement II: It has a low contraceptive value and a high chance of side effects.
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Which of the following statement is incorrect?
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The attributes of population but not of the individual are ______.
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A male rabbit of genotype 'AABBDDEE' is crossed with a female rabbit of genotype 'aabbddee' to produce F1 hybrid offspring. How many genetically different gametes can be produced by this F1 hybrid?
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Read the following statements and select the correct option.
i. Genetic disorders are broadly categorised as, Mendelian disorders and chromosomal disorders.
ii. Mendelian disorders are caused due to absence or excess of one or more chromosomes or their abnormal arrangement.
iii. Chromosomal disorders are mainly caused due to alteration or mutation in the gene.
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Match the Column I and Column II and select the correct option.
| List-I | List-II | ||
| i. | Holandric genes | a. | Pleiotropy |
| ii. | Multiple effects of a single gene | b. | Hypertrichosis |
| iii. | Skin colour in man | c. | Multiple Alleles |
| iv. | ABO Blood types | d. | Polygenic inheritance |
The correct answer is
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Feminised males have ______ chromosomes.
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Which of the following characteristics are observed in a person suffering from Turner syndrome?
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The 'eye muscles' are controlled by which cranial nerves?
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Compound which is most widely used as a source of ethylene is ____________.
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Identify the INCORRECT statement.
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Which of the following type of pollination occurs in Vallisneria?
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Identify the characteristics that are observed in an individual suffering from Klinefelter syndrome.
i. Gynaecomastia, under developed testis and no spermatogenesis.
ii. Voice pitch is harsh.
iii. They are tall with long arms.
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In which of the following heterozygosity is most favoured?
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