Biology - Reproduction

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21. Study the relationship of the given pairs and choose the correct option to fill in the blank. Oestrogen: Oogenesis
                      Oxytocin :    __________ (NTSE Tamil Nadu, Stage-I, 2016-17)

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22. Asexual reproduction takes place through budding in (NTSE Chandigarh, Stage-I, 2016-17)

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23. Which one of the following is correct matched set?

Column-I                             Column-II
a. Flower                              (i) Female reproductive part
b. Calyx and Corolla        (ii) Reproductive whirl
c. Androecium and          (iii) Male reproductive part
Gynoecium
d. Ovules a plant                 (iv) Reproductive part of

e. Pollen grains                    (v) Accessory whirls (NTSE Karnataka, Stage-I, 2014-15)

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24. Double fertilization is a unique feature of (NTSE Delhi, Stage-I, 2014-15)

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25. Grafting is not possible in monocot plant because they (NTSE West Bengal, Stage-I, 2014-15)

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