Practice Test


Q1) A typical example of cross pollination is: Show Answer


Q2) Continued self-pollination generation after generation, result in: Show Answer


Q3) Stigma is always sticky and rough in: Show Answer


Q4) The chief pollinators of our agri-horticultural crops are: Show Answer


Q5) Phenomenon of opening of flower buds is called: Show Answer


Q6) In wheat and sugarcane the pollination takes place by: Show Answer


Q7) If water causes pollination, it is called: Show Answer


Q8) Insect pollinated flowers possess: Show Answer


Q9) Protandry is a condition in which: Show Answer


Q10) Cleistogamous flowers are: Show Answer


Q11) In Ficus the pollination is affected by: Show Answer


Q12) Palynology deals with the study of: Show Answer


Q13) When an anther dehisces towards the centre of the flower, it is called: Show Answer


Q14) Lever mechanism found in the pollination of: Show Answer


Q15) When male and female parts of a flower mature at different times, it is termed: Show Answer


Q16) Pollination by bats is known as: Show Answer


Q17) Cross-pollination is advantageous because it results in formation of: Show Answer


Q18) To avoid self-pollination, the pollen grains of some flowers have no fertilizing effect on the stigma of the same flower. This condition is: Show Answer


Q19) If a pollen of a flower falls on the stigma of another flower belonging to same plant, it is: Show Answer


Q20) Malacophily is pollination by: Show Answer


Q21) Which one of the following part of pistil receives the pollen during pollination? Show Answer


Q22) The following plant has pollination above ground but its fruit develops underground? Show Answer


Q23) Pollinia are sac-like structures in which: Show Answer


Q24) Allogamy through biotic agency is called: Show Answer


Q25) Chiropterophilous flowers possess: Show Answer


Q26) Pollination of Pinus is: Show Answer


Q27) In Salvia pollination takes place by: Show Answer


Q28) The Yucca flower is pollinated by: Show Answer


Q29) Colour of night blooming flowers is usually: Show Answer


Q30) In ornithophilous plants: Show Answer


Q31) What it pre-requisite for self-pollination: Show Answer


Q32) Hypohydrophily occurs in: Show Answer


Q33) In moth pollinated flowers: Show Answer


Q34) The wasp Blastophaga is associated with the pollination of: Show Answer


Q35) Bristle mechanism for pollination is seen in: Show Answer


Q36) The moth Pronuba is associated with the pollination of: Show Answer


Q37) The moth Dianthoecia is associated with the pollination of: Show Answer


Q38) The condition best suited for autogamy is: Show Answer


Q39) When snails pollinate a flower, it is termed as: Show Answer


Q40) Translator mechanism for pollination is seen in: Show Answer


Q41) The pedicel of the female flower coils after fertilization in: Show Answer


Q42) The act of pollination was used to be performed by Aryan kings as a religious ceremony in: Show Answer


Q43) Mulberry is pollinated by: Show Answer


Q44) The phenomenon of pollen grains being transferred to stigma by air is called: Show Answer


Q45) Bees are important to agriculture as they: Show Answer


Q46) Feathery stigma occurs in: Show Answer


Q47) Pollination characteristically occurs in: Show Answer


Q48) Ornithophily refers to: Show Answer


Q49) Chief pollinators of agricultural crops are: Show Answer


Q50) Transfer of pollen to the stigma of another flower of the same plant is: Show Answer


Q51) Fragrant flowers with well developed nectaries are an adaptation for: Show Answer


Q52) Pollination occuring in closed flowers is: Show Answer


Q53) Coloured constructions in flowers of Euphorbia and Poinsettia are: Show Answer


Q54) In Kigelia pinnata / Sausage tree, pollination is performed by: Show Answer


Q55) Apple growers usually keep bees in the orchard even though apples are usually wind-pollinated because: Show Answer


Q56) Self-pollination means: Show Answer


Q57) Stigma is always rough and sticky in: Show Answer


Q58) Progeny resulting from cross-pollination: Show Answer


Q59) Maturation of stamens and pistils at different times in the same flower is called: Show Answer


Q60) In bisexual flowers when the gynoceium matures earlier than the androecium, it is called: Show Answer


Q61) Myrmecophily is a beneficial association between some flowering plants and: Show Answer


Q62) Pollination by ants is: Show Answer


Q63) Some flowers possess pleasant odour and attractive colours for: Show Answer


Q64) Anemophily type of pollination is found in: Show Answer


Q65) Anemophily means: Show Answer


Q66) Wind pollination is common in: Show Answer


Q67) In which one of the following pollination is autogamous? Show Answer


Q68) Crows help pollination of: Show Answer


Q69) Jasmine shows: Show Answer


Q70) A flower with over one thousand stamens is: Show Answer


Q71) The allogamy is best favoured by: Show Answer


Q72) Cross pollination in true genetic sense within a species is called as: Show Answer


Q73) Cleistogamous flowers are not seen in: Show Answer


Q74) When some plants produce more than one type of flowers, the phenomenon is called as: Show Answer


Q75) The flowers of Primula are dimorphic due to: Show Answer


Q76) Cantharophilous flowers are pollinated by: Show Answer


Q77) The smell in the flowers of Crataegus is due to: Show Answer


Q78) In Kalmia: Show Answer


Q79) Above ground cleistogamous flowers are formed late in the season in: Show Answer


Q80) The smell in the flowers of Hyacinthus is due to: Show Answer


Q81) Piston mechanism for pollination is seen in: Show Answer


Q82) Lever mechanism for pollination is seen in: Show Answer


Q83) Maize is: Show Answer


Q84) When pollen of one flower pollinates stigma of a different flower but on the same plant, this is called as: Show Answer


Q85) In grasses the anemophily is most favoured by: Show Answer


Q86) Butterflies pollinate: Show Answer


Q87) Moth Pronuba / Tegaticula is dependent for its survival on plant: Show Answer


Q88) Which of the following is not a water pollinated plant? Show Answer


Q89) Spiny or sticky pollen grains and large attractively coloured flowers are associated with Show Answer


Q90) Refer the given statements:
(i) Both wind and water pollinated flowers are not very colourful and do not produce nectar.
(ii) Entomophilous flowers are large, colourful,fragrant and rich in nectar.
(iii) Kigelia pinnata is an insect pollinated flower
Which of the above statements is/are incorrect? Show Answer


Q91) Flowering plants have developed certain outbreeding devices to discourage self-pollination and to encourage cross-pollination. One of these is not an example of such outbreeding device. Show Answer


Q92) Male and female flowers are present on different plants (dioecious) to ensure xenogamy, in Show Answer


Q93) _______ cell of the pollen grain divides to form two male gametes.
Show Answer


Q94) Growth of pollen tube towards embryo sac is Show Answer


Q95) What is the function of filiform apparatus in an angiospermic embryo sac? Show Answer


Q96) The part of gynoecium that determines the compatible nature of pollen is Show Answer


Q97) The three cells found in a pollen grain when it is shed at 3-celled stage are Show Answer


Q98) Give below are the events that are observed in an artificial hybridization programme. Arrange them in the correct sequential order and select the correct option.
1. Re-bagging;
2. Selection of parents;
3. Bagging;
4. Dusting the pollen on stigma;
5. Emasculation;
6. Collection of pollen from male parent Show Answer


Q99) How many pollen mother cells should undergo meiotic division to produce 64 pollen grains? Show Answer


Q100) In a fully developed male gametophyte the number of nuclei is Show Answer


Q101) Read the given statements and select the correct option.
Statement 1: Insects visit flowers to gather pollen.
Statement 2: Attraction to flowers prevents the insects from damaging other parts of the plant. Show Answer


Q102) Polygonum type of embryo sac is Show Answer


Q103) Select the incorrect pair of type of pollination and the corresponding pollination agency. Show Answer


Q104) One of the most resistant biological material present in the exine of pollen grain is Show Answer


Q105) Part of the gynoecium which receives the pollen is called Show Answer


Q106) How many meiotic divisions are required for the formation of 100 pollen grains? Show Answer


Q107) Plant with ovaries having only one or a few ovules, are generally pollinated by Show Answer


Q108) Even in absence of pollinating agents seed-setting is assured in Show Answer


Q109) During the process of fertilization the pollen tube of the pollen grain usually enters the embryo sac through Show Answer


Q110) Which of the following statements about sporopollenin is incorrect? Show Answer


Q111) Callase enzyme which dissolves callose of pollen terads to separate four pollens is provided by Show Answer


Q112) Study of pollen grains is called Show Answer


Q113) Pollen grains is a Show Answer


Q114) Pollen kitt is generally found in Show Answer


Q115) Heterostyly as a contrivance for cross-pollination is found in Show Answer


Q116) Several pollen grains from a unit designated as pollinium in family Show Answer