Questions on Reproduction in Flowering Plants: MCQs on Sexual Reproduction in Flowering Plants (Angiosperms) in quiz format with answers, Test No. 04
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Reproduction in Flowering Plants (Angiosperms) : Quiz 05
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Question 1 |
The arrangement of the nuclei in a normal embryo sac in the dicot plants is
2 + 3 + 3 | |
3 + 2 + 3 | |
2 + 4 + 2 | |
3 + 3 + 2 |
Question 2 |
Apomictic embryos in citrus arise from
Maternal sporophytic tissue in ovule | |
Synergids | |
Diploid egg | |
Antipodal cells |
Question 3 |
Fibrous thickenings of hygroscopic nature are found in this part of the anther wall:
Middle layers | |
Endothecium | |
Epidermis | |
Tapetum |
Question 4 |
In a type of apomixis known as adventive embryony, embryos develop directly from the
Zygote | |
Nucellus or integuments | |
Synergids or antipodals in an embryo sac | |
Accessory embryo sacs in the ovule |
Question 5 |
In nature, cleistogamous flowers are
wind pollinated | |
insect pollinated | |
self pollinated | |
bird pollinated |
Question 6 |
Which one of the following is surrounded by a callose wall?
Male gamete | |
Microspore mother cell | |
Pollen grain | |
Egg |
Question 7 |
Study the following table and select the most correct option given below the table.
| List –I | List –II |
| (Structure before seed formation) | (Structure after seed formation) |
| A. Funiculus | I. Hilum |
| B. Scar of Ovule | II. Tegmen |
| C. Zygote | III. Testa |
| D. Inner integument | IV. Stalk of seed |
| V. Embryo |
A - V, B - I, C - II, D - IV | |
A - III, B - IV, C - I, D - V | |
A - IV, B - I, C - V, D - II | |
A - IV, B - V, C - III, D - II |
Question 8 |
The diagram given by the side represents the sectional view of
Amphitropous ovule | |
Orthotropous ovule | |
Anatropous ovule | |
Campylotropous ovule |
Question 9 |
What is the function of germ pore?
Initiation of pollen tube | |
Absorption of water for seed germination | |
Emergence of radicle | |
Release of male gametes |
Question 10 |
Which of the following pairs in angiosperms are diploid and triploid, respectively?
Polar nucleus and secondary nucleus | |
Microspore mother cell and egg cell | |
Secondary nucleus and endosperm | |
Endosperm and antipodal cells |
Question 11 |
Which of the following statements about sporopollenin is false?
Exine has apertures called germ pores where sporopollenin is present | |
Sporopollenin is one of the resistant organic materials | |
Exine is made up of sporopollenin | |
Sporopollenin can withstand high temperatures and strong acids |
Question 12 |
Which one of the following is not a correct explanation of cross pollination?
The pollen grains of male flowers are transferred to the stigma of the female flowers | |
The pollen grains are transferred from one flower to another flower, of another plant of the same species | |
The pollen grains are transferred from one flower to another flower situated on the same plant | |
The pollen grains of one flower are transferred to the stigma of the same flower |
Question 13 |
Which one of the following pairs of plant structures has haploid number of chromosomes?
Egg cell and antipodal cells | |
Megaspore mother cell and antipodal cells | |
Egg nucleus and secondary nucleus | |
Nucellus and antipodal cells |
Question 14 |
Which one of the following statements is wrong?
Intine is made up of cellulose and pectin | |
Vegetative cell is larger than generative cell | |
Pollen grains in some plants remain viable for months | |
When pollen is shed at two-celled stage, double fertilization does not take place |
Question 15 |
Assertion: 7-celled, 8 nucleate and monosporic embryo sac is called Polygonum type of embryo sac.
Reason: It was discovered by Hofmeister for the first time in Polygonum.
Both Assertion and Reason are true and Reason is the correct explanation of the Assertion. | |
Both Assertion and Reason are true but the Reason is not the correct explanations of Assertion. | |
Assertion is true, but Reason is false. | |
Both Assertion and Reason are false. |
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sir,in Q.No. 12 there two option because in option ‘c” means GEITONOGAMY which is a part of self pollination . Hence option no.”c” &”d” both are right
Gud paper
QUESTION ARE GOOD,PLESE PROVIDE TRICKY QUESTION,LIKE QN NO 1………….
its really a good revision.