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