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

Q5) In wheat and sugarcane the pollination takes place by: Show Answer

Q6) If water causes pollination, it is called: Show Answer

Q7) Insect pollinated flowers possess: Show Answer

Q8) Cleistogamous flowers are: Show Answer

Q9) In Ficus the pollination is affected by: Show Answer

Q10) When male and female parts of a flower mature at different times, it is termed: Show Answer

Q11) Pollination by bats is known as: Show Answer

Q12) Cross-pollination is advantageous because it results in formation of: Show Answer

Q13) 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

Q14) If a pollen of a flower falls on the stigma of another flower belonging to same plant, it is: Show Answer

Q15) Which one of the following part of pistil receives the pollen during pollination? Show Answer

Q16) Pollinia are sac-like structures in which: Show Answer

Q17) Allogamy through biotic agency is called: Show Answer

Q18) Chiropterophilous flowers possess: Show Answer

Q19) Pollination of Pinus is: Show Answer

Q20) The Yucca flower is pollinated by: Show Answer

Q21) In ornithophilous plants: Show Answer

Q22) Hypohydrophily occurs in: Show Answer

Q23) In moth pollinated flowers: Show Answer

Q24) The moth Pronuba is associated with the pollination of: Show Answer

Q25) The moth Dianthoecia is associated with the pollination of: Show Answer

Q26) The condition best suited for autogamy is: Show Answer

Q27) When snails pollinate a flower, it is termed as: Show Answer

Q28) Translator mechanism for pollination is seen in: Show Answer

Q29) The pedicel of the female flower coils after fertilization in: Show Answer

Q30) The act of pollination was used to be performed by Aryan kings as a religious ceremony in: Show Answer

Q31) The phenomenon of pollen grains being transferred to stigma by air is called: Show Answer

Q32) Bees are important to agriculture as they: Show Answer

Q33) Feathery stigma occurs in: Show Answer

Q34) Pollination characteristically occurs in: Show Answer

Q35) Ornithophily refers to: Show Answer

Q36) Chief pollinators of agricultural crops are: Show Answer

Q37) Transfer of pollen to the stigma of another flower of the same plant is: Show Answer

Q38) Fragrant flowers with well developed nectaries are an adaptation for: Show Answer

Q39) Pollination occuring in closed flowers is: Show Answer

Q40) Self-pollination means: Show Answer

Q41) Stigma is always rough and sticky in: Show Answer

Q42) Progeny resulting from cross-pollination: Show Answer

Q43) Maturation of stamens and pistils at different times in the same flower is called: Show Answer

Q44) In bisexual flowers when the gynoceium matures earlier than the androecium, it is called: Show Answer

Q45) Myrmecophily is a beneficial association between some flowering plants and: Show Answer

Q46) Pollination by ants is: Show Answer

Q47) Some flowers possess pleasant odour and attractive colours for: Show Answer

Q48) Anemophily type of pollination is found in: Show Answer

Q49) Anemophily means: Show Answer

Q50) Wind pollination is common in: Show Answer

Q51) In which one of the following pollination is autogamous? Show Answer

Q52) A flower with over one thousand stamens is: Show Answer

Q53) The allogamy is best favoured by: Show Answer

Q54) Cross pollination in true genetic sense within a species is called as: Show Answer

Q55) Cleistogamous flowers are not seen in: Show Answer

Q56) When some plants produce more than one type of flowers, the phenomenon is called as: Show Answer

Q57) Above ground cleistogamous flowers are formed late in the season in: Show Answer

Q58) The smell in the flowers of Hyacinthus is due to: Show Answer

Q59) Piston mechanism for pollination is seen in: Show Answer

Q60) Lever mechanism for pollination is seen in: Show Answer

Q61) Maize is: Show Answer

Q62) When pollen of one flower pollinates stigma of a different flower but on the same plant, this is called as: Show Answer

Q63) Butterflies pollinate: Show Answer

Q64) Moth Pronuba / Tegaticula is dependent for its survival on plant: Show Answer

Q65) Which of the following is not a water pollinated plant? Show Answer

Q66) Spiny or sticky pollen grains and large attractively coloured flowers are associated with Show Answer

Q67) 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

Q68) 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

Q69) Male and female flowers are present on different plants (dioecious) to ensure xenogamy, in Show Answer

Q70) _______ cell of the pollen grain divides to form two male gametes.
Show Answer

Q71) Growth of pollen tube towards embryo sac is Show Answer

Q72) What is the function of filiform apparatus in an angiospermic embryo sac? Show Answer

Q73) The part of gynoecium that determines the compatible nature of pollen is Show Answer

Q74) The three cells found in a pollen grain when it is shed at 3-celled stage are Show Answer

Q75) In a fully developed male gametophyte the number of nuclei is Show Answer

Q76) 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

Q77) Polygonum type of embryo sac is Show Answer

Q78) Select the incorrect pair of type of pollination and the corresponding pollination agency. Show Answer

Q79) One of the most resistant biological material present in the exine of pollen grain is Show Answer

Q80) Part of the gynoecium which receives the pollen is called Show Answer

Q81) How many meiotic divisions are required for the formation of 100 pollen grains? Show Answer

Q82) Plant with ovaries having only one or a few ovules, are generally pollinated by Show Answer

Q83) Even in absence of pollinating agents seed-setting is assured in Show Answer

Q84) During the process of fertilization the pollen tube of the pollen grain usually enters the embryo sac through Show Answer

Q85) Which of the following statements about sporopollenin is incorrect? Show Answer

Q86) Study of pollen grains is called Show Answer

Q87) Pollen grains is a Show Answer

Q88) Pollen kitt is generally found in Show Answer

Q89) Heterostyly as a contrivance for cross-pollination is found in Show Answer

Q90) Several pollen grains from a unit designated as pollinium in family Show Answer