10 MCQ on Plant Science for various Agriculture Exams✅ Part -64

12. The flowers of hypanthodium are pollinated by
    (a) Birds
    (b) Insects
    (c) Wind
    (d) Bat

13. The essential parts of a flower are
    (a) Calyx and corolla
    (b) Calyx and androecium
    (c) Corolla and gynoecium
    (d) Androecium and gynoecium

14. The branch of botany which deals with the study and various aspects of spores and pollen grains is called
    (a) Palaeobotany
    (b) Phylogeny
    (c) Palynology
    (d) Pedology

15. The part of carpel which serves as a receptive structure for the pollen is called
    (a) Stigma
    (b) Style
    (c) Ovary
    (d) Ovules

16. The seeds in a mature ovary (fruit) are developed from
    (a) Embryo
    (b) Embryosac
    (c) Ovules
    (d) Endosperm

17. The two major wall layers of pollen grains (i.e., exine and intine) are collectively termed as
    (a) Sporoderm
    (b) Sexine
    (c) Nexine
    (d) Tectum

18. Formation of megaspores from megaspore mother cell is called
    (a) Megagametogenesis
    (b) Microgametogenesis
    (c) Megasporogenesis
    (d) Microsporogenesis

19. The most significant value of vegetative propagation is that
    (a) It enables rapid production of genetic variation.
    (b) It is a means of producing a large population of individuals genetically identical to the parent.
    (c) It ensures that the progeny are safe from attack of diseases and pests.
    (d) It is an ancient practice.

20. Among the following, which one is not a method of vegetative propagation?
    (a) Budding
    (b) Layering
    (c) Sowing
    (d) Tissue culture

21. Banana plant develops from
    (a) Rhizome
    (b) Seed
    (c) Sucker
    (d) Stolon

22. In Agave, vegetative propagation is carried out through
    (a) Bulbils
    (b) Rhizome
    (c) Stolon
    (d) Sucker

23. In monocots, male gametophyte is
    (a) Microspore
    (b) Megaspore
    (c) Tetrad
    (d) Nucellus

24. Commonly in a mature fertilized ovule, 2n and 3n condition is respectively found in
    (a) Antipodals, synergids and integuments
    (b) Egg, nucellus and endosperm
    (c) Antipodals, zygote and endosperm
    (d) Endosperm, nucellus and egg

25. When pollen tube enters through micropyle, then the process is called
    (a) Porogamy
    (b) Chalazogamy
    (c) Pseudogamy
    (d) Mesogamy

26. Milky water of green coconut is
    (a) Liquid nucellus
    (b) Liquid endosperm
    (c) Liquid of female gametophyte
    (d) Liquid chalaza