TNTET Paper 1 - Pollination and plant life cycles Online Test (MCQ Quiz)

1. What is the process by which pollen is transferred from the anther to the stigma called?

A) Fertilization B) Germination C) Pollination D) Transpiration

2. Which part of the flower contains the pollen?

A) Stigma B) Anther C) Ovary D) Petal

3. The receptive tip of a carpel, or of several fused carpels, in the gynoecium of a flower is known as the:

A) Style B) Stigma C) Ovary D) Filament

4. What is the primary function of a flower's petals?

A) To produce pollen B) To attract pollinators C) To protect the developing seeds D) To absorb sunlight

5. Which of the following is NOT a method of pollination?

A) Wind pollination (Anemophily) B) Insect pollination (Entomophily) C) Water pollination (Hydrophily) D) Fungal pollination (Mycophily)

6. Flowers pollinated by wind typically have:

A) Brightly colored petals and strong scent B) Large, sticky pollen grains C) Small, lightweight pollen and lack of scent D) Nectar guides

7. Birds are common pollinators for flowers that are often:

A) White or pale colored and odorless B) Red or orange and produce abundant nectar C) Small and inconspicuous D) Green and have a musty smell

8. Self-pollination occurs when pollen is transferred from the anther to the stigma of the same flower or another flower on the same plant. This is also known as:

A) Cross-pollination B) Xenogamy C) Geitonogamy D) Cleistogamy

9. Cross-pollination, where pollen is transferred between flowers of different plants of the same species, is also called:

A) Autogamy B) Geitonogamy C) Xenogamy D) Dichogamy

10. What is the term for the process where a pollen grain germinates on the stigma and grows a pollen tube down to the ovary?

A) Fertilization B) Pollination C) Syngamy D) Gametogenesis

11. The fusion of the male gamete (from the pollen) with the female gamete (egg cell) inside the ovule is called:

A) Pollination B) Fertilization C) Germination D) Budding

12. After fertilization, the ovule develops into a:

A) Flower B) Fruit C) Seed D) Stem

13. The ovary of the flower typically develops into the:

A) Seed B) Petal C) Fruit D) Stamen

14. What is the part of the plant that contains the embryo and stored food, enclosed within a protective coat?

A) Flower B) Fruit C) Seed D) Root

15. The process by which a seed sprouts and begins to grow into a new plant is called:

A) Pollination B) Fertilization C) Germination D) Reproduction

16. What environmental conditions are typically required for seed germination?

A) Darkness and high humidity B) Warmth, water, and oxygen C) Cold temperatures and dryness D) High salinity and low oxygen

17. The first leaf or leaves that emerge from a germinating seed are called:

A) Cotyledons B) Radicle C) Plumule D) Embryo

18. In many dicotyledonous plants, the cotyledons (seed leaves) often emerge above ground and turn green, performing photosynthesis. This is called:

A) Epigeal germination B) Hypogeal germination C) Vivipary D) Apomixis

19. In some plants, like peas and oaks, the cotyledons remain below the ground during germination and do not photosynthesize. This is known as:

A) Epigeal germination B) Hypogeal germination C) Vivipary D) Parthenocarpy

20. What is the primary function of the radicle during germination?

A) To develop into the shoot and leaves B) To anchor the seedling and absorb water C) To store food for the embryo D) To attract pollinators

21. The plumule is the part of the embryo that develops into the:

A) Root system B) Shoot system (stem and leaves) C) Seed coat D) Fruit wall

22. Which part of the flower is responsible for producing nectar to attract insects?

A) Anther B) Stigma C) Nectary D) Sepal

23. Bats are known to pollinate certain plants, especially those that bloom at night and have:

A) Small, inconspicuous flowers B) Brightly colored, unscented flowers C) Large, pale or white flowers with strong, fruity or musky odors D) Flowers producing very little nectar

24. What is the process called when a flower is pollinated by pollen from the same flower?

A) Cross-pollination B) Geitonogamy C) Autogamy D) Xenogamy

25. A plant that has separate male and female flowers on the same individual plant is called:

A) Dioecious B) Monoecious C) Hermaphrodite D) Dioecious and hermaphrodite

26. What term describes a plant species that has male and female reproductive organs on separate individuals?

A) Monoecious B) Dioecious C) Hermaphrodite D) Polygamous

27. The phenomenon where flowers mature at different times to prevent self-pollination is known as:

A) Protandry (anthers mature before stigma) B) Protogyny (stigma matures before anthers) C) Dichogamy D) All of the above

28. If a flower's anthers mature and release pollen before its stigma becomes receptive, this condition is called:

A) Protogyny B) Protandry C) Cleistogamy D) Homogamy

29. When the stigma of a flower is receptive before the anthers mature and release pollen, the condition is known as:

A) Protandry B) Protogyny C) Dichogamy D) Cleistogamy

30. What is the term for flowers that remain closed and self-pollinate before they open?

A) Chasmogamy B) Cleistogamy C) Dichogamy D) Xenogamy

31. The process where pollen grains are transferred from the anther to the stigma by water is called:

A) Anemophily B) Entomophily C) Hydrophily D) Ornithophily

32. Which of the following is a characteristic of insect-pollinated flowers?

A) Lightweight, smooth pollen B) Abundant, powdery pollen C) Sticky or spiny pollen D) Inconspicuous appearance

33. What is the term for the stalk that supports the anther?

A) Style B) Filament C) Pedicel D) Receptacle

34. The collective term for all the sepals of a flower is:

A) Corolla B) Androecium C) Gynoecium D) Calyx

35. The collective term for all the petals of a flower is:

A) Calyx B) Corolla C) Androecium D) Gynoecium

36. The male reproductive part of a flower, consisting of the anther and filament, is called the:

A) Gynoecium B) Androecium C) Corolla D) Calyx

37. The female reproductive part of a flower, consisting of stigma, style, and ovary, is called the:

A) Androecium B) Corolla C) Gynoecium D) Calyx

38. What is the structure within the ovary that contains the female gamete?

A) Pollen grain B) Ovule C) Embryo sac D) Both B and C

39. The part of the stamen that produces pollen is the:

A) Filament B) Anther C) Style D) Stigma

40. The stalk that connects the stigma to the ovary is the:

A) Filament B) Style C) Anther D) Receptacle

41. Which part of the flower typically protects the bud before it opens?

A) Petals B) Stamens C) Sepals D) Pistil

42. What is the process by which a plant produces a new individual from a seed?

A) Vegetative propagation B) Sexual reproduction C) Asexual reproduction D) Pollination

43. A seed that has only one cotyledon is characteristic of:

A) Dicotyledonous plants B) Monocotyledonous plants C) Gymnosperms D) Ferns

44. A seed with two cotyledons is characteristic of:

A) Monocotyledonous plants B) Dicotyledonous plants C) Conifers D) Mosses

45. The dispersal of seeds by animals is known as:

A) Anemochory B) Hydrochory C) Zoochory D) Autochory

46. Which part of the flower develops into a fruit?

A) Ovary B) Ovule C) Petal D) Stamen

47. The process of seed dispersal by wind is called:

A) Zooidiophily B) Anemochory C) Hydrochory D) Myrmecochory

48. The dispersal of seeds by water is termed:

A) Anemochory B) Hydrochory C) Zooidiophily D) Autochory

49. What is the term for the development of a fruit without fertilization?

A) Parthenocarpy B) Apomixis C) Vivipary D) Gynogenesis

Pollination and plant life cycles - Online Test

Test Results