Unit 5 - Practice Quiz

1 In fruit trees, the arrangement of flower buds on the branches is known as:

2 Which of the following fruit crops bears flowers terminally on current season's growth?

3 Apple and Pear are classic examples of which type of bearing habit?

4 In Guava, the bearing habit is classified as:

5 The phenomenon where flowers and fruits are produced directly on the main trunk or older branches is called:

6 Which of the following grapes bears fruit on the basal buds of the cane?

7 The physiological phase of a plant characterized by rapid vegetative growth and the inability to flower is known as:

8 According to the Kraus and Kraybill hypothesis, a high ratio (Carbohydrate/Nitrogen) in fruit trees promotes:

9 In Mango, flower bud differentiation usually takes place during:

10 Which plant hormone is generally associated with the inhibition of flower bud differentiation in fruit trees like Apple and Mango?

11 The practice of 'ringing' or 'girdling' is used to induce flowering by:

12 Unfruitfulness in fruit crops caused by the production of only one sex of flower on a plant (e.g., male only) is related to:

13 The condition where stamens and pistils mature at different times, preventing self-pollination, is called:

14 Walnut and Pecan nut often exhibit unfruitfulness due to Protandry. This means:

15 Which of the following crops is a classic example of Protogyny?

16 The condition known as Heterostyly (styles and filaments of different lengths) is commonly observed in:

17 Incompatibility where fertile pollen fails to fertilize the same flower due to physiological hindrance is called:

18 Which of the following is a genetic cause of unfruitfulness?

19 The 'June Drop' in apples is a natural phenomenon primarily related to:

20 To overcome self-incompatibility in commercial orchards (e.g., Apple, Cherry), one must plant:

21 What is the primary difference between a Pollinizer and a Pollinator?

22 The commercially recommended proportion of pollinizer trees in an apple orchard is usually:

23 Pollination in Mango is primarily brought about by:

24 The specific pollinating agent for Fig is:

25 Oil Palm pollination is significantly enhanced by the introduction of:

26 Which fruit crop is dioecious and requires male plants in the orchard for fruit set?

27 The fusion of one male gamete with the egg cell and the other with the secondary nucleus is known as:

28 The direct effect of pollen on the fruit tissue (outside the embryo/endosperm), affecting time of ripening or shape, is called:

29 The effect of pollen on the endosperm and embryo characteristics is termed:

30 Development of fruit without fertilization is called:

31 Which type of parthenocarpy requires the stimulus of pollination (even if fertilization does not occur) to set fruit?

32 Banana exhibits which type of parthenocarpy?

33 Stenospermocarpy refers to:

34 Which hormone is most commonly applied exogenously to induce parthenocarpy in crops like Grapes and Tomatoes?

35 The Sindhu variety of Mango is seedless due to:

36 The phenomenon of 'Dicliny' promotes:

37 An example of a fruit crop where hand pollination is commercially practiced to ensure fruit set is:

38 Unfruitfulness due to nutrient imbalance is often caused by excess:

39 The entry of the pollen tube into the ovule through the micropyle is called:

40 Which of the following is a remedy for unfruitfulness caused by self-incompatibility in an existing orchard?

41 In Papaya, gynodioecious varieties produce:

42 The bearing habit of Peach is generally:

43 What is the term for the failure of pollen to germinate on the stigma of the same flower?

44 A fruit tree that blooms effectively but fails to set fruit due to aborted ovaries is suffering from:

45 Which climatic factor is most detrimental to pollination activity of bees?

46 In the context of fruit set, 'Bouquet planting' refers to:

47 Triploidy in crops like Banana results in unfruitfulness (seedlessness) due to:

48 The 'Stub' in pollen tube growth inhibition (incompatibility response) is typically formed in the:

49 Generally, temperate fruits like Apple initiate flower buds during:

50 A 'Mixed bud' produces: