MCQs on Chlorofluorocarbons 1. Which of the following statements is true about chlorofluorocarbons? Chlorofluorocarbons are…
MCQs on Reproduction in Flowering Plants
- Flowers with both androecium and gynoecium are called
- Bisexual flowers
- Anther
- Stamens
- Unisexual flowers
- The transfer of pollen from the anther to stigma is called
- Pollination
- Fertilization
- Adoption
- Diffusion
- The fusion of female reproductive nucleus with the male reproductive nucleus is known as
- Adoption
- Excretion
- Fertilization
- Regeneration
- The two nuclei at the end of the pollen tube are called
- Tube nucleus and a generative nucleus
- Sperm and ovum
- Generative nucleus and stigma
- Tube nucleus and sperm
- Generative nucleus divides forming
- 2 male nuclei
- 3 male nuclei
- 2 female nuclei
- 3 female nuclei
- Embryo sac is located inside the
- Stigma
- Ovule
- Micropyle
- Style
- One nucleus of the pollen tube and secondary nucleus of the ovum grow into
- Stigma
- Endosperm
- Anther
- Stamen
- The stalk of Datura flower at its base is known as
- Pedicel
- Corolla
- Sepals
- Thalamus
- The male reproductive parts of a flower, the stamens, are collectively known as
- Androecium
- Filament
- Anther
- Gynoecium
- The other name for gynoecium is
- Pistil
- Stigma
- Androecium
- Style
- Functional megaspore in a flowering plant develops into
- Endosperm
- Ovule
- Embryo-sac
- Embryo
- Which of the following is similar to autogamy, but requires pollinators?
- Geitonogamy
- Cleistogamy
- Apogamy
- Xenogamy
- What is the function of the filiform apparatus?
- Guide the entry of pollen tube
- Recognize the suitable pollen at the stigma
- Produce nectar
- Stimulate division of the generative cell
- A mass of nutritive material outside the embryo sac is called _____
- Protoplasm
- Pericarp
- Ectoderm
- Perisperm
- Which of the following statements is correct?
- Sporogenous tissue is haploid
- The hard outer layer of pollen is called intine
- Tapetum nourishes the developing pollen
- Microspores are produced by endothecium
- Which of the following fruit is produced by parthenocarpy?
- Brinjal
- Apple
- Banana
- Jackfruit
- The process of formation of seeds without fertilization in flowering plants is known as
- Budding
- Apomixis
- Sporulation
- Somatic hybridization
- Functional megaspore in an angiosperm develops into
- Endosperm
- Embryo
- Embryo-sac
- Ovule
- Rewards and attractants are required for
- Entomophily
- Cleistogamy
- Anemophily
- Hydrophily
- A dioecious flowering plant prevents
- Geitonogamy and xenogamy
- Autogamy and xenogamy
- Autogamy and geitonogamy
- Cleistogamy and xenogamy
Answer Key
1- 1 | 2- 1 | 3- 3 | 4- 1 | 5- 1 |
6- 2 | 7- 2 | 8- 1 | 9- 1 | 10- 1 |
11- 3 | 12- 1 | 13- 1 | 14- 4 | 15- 3 |
16- 3 | 17- 2 | 18- 3 | 19- 1 | 20- 3 |