1. Which of the following is not required to perform autogamy?

2. The aquatic plants which are pollinated by wind or insect are

3. In corns, tassels facilitate

4. Refer to the given characteristics of some flowers.

(i) Light and non-sticky pollen grains                      (ii) Exserted stigmas and anthers

(iii) Large, often feathery stigmas                              (iv) Colourless, odourless and nectarless

(v) Common in grasses

Above features are the characteristics of

5. Pollination by water is common in __________ but rare in ________________

6. Which of the following statements are correct regarding flowers pollinated by insects?

A. Insect pollinated flowers produce nectar which attracts the pollinators for feeding.

B. The flowers pollinated by insects are fragrant and produce scent and odour.

C. The flowers usually have colourful petals.

D. The petals of flowers are dull coloured.

E. The flowers have single ovule in each ovary.

Choose the correct option from the following.

7. Refer to the given statements.

(i) Both wind and water pollinated flowers are not very colourful and do not produce nectar.

(ii) Insect pollinated flowers are large, colourful, fragrant and rich in nectar.

(iii) Zostera is an insect pollinated flower.

Which of the above statements is/are incorrect?

8. Male and female flowers are present on different plants (dioecious) to ensure xenogamy in

9. Select the incorrectly matched pair.

(a) Dioecious plant - Prevents both autogamy and geitonogamy

(b) Monoecious plant - Prevents autogamy but not geitonogamy

(c) Self-incompatibility - Allows pollen germination but inhibit pollen tube growth in self pistil.

(d) Inbreeding depression - Continued self-pollination

10. Fusion of one of the male gametes with an egg nucleus is referred to as

11. Which of the following structures is diploid and triploid, respectively?

12. Which of the following word equation is correct?

13. Select the correct sequence of embryogenesis in dicot.

14. Select the incorrect statement.

15. Which of the given statements are true?

(i) During the development of a dicot embryo, heart- shaped embryo is followed by globular embryo.

(ii) The part of embryonal axis above the level of cotyledons is epicotyl, while the part below the level of cotyledons is hypocotyl.

(iii) Monocot seeds possess a single cotyledon represented by scutellum.

16. In albuminous seeds, food is stored in_____________ and in  non-albuminous seeds, it is stored in ____________

17. Endospermic seeds are found in

18. Read the following statements carefully.

A. Seed is the final product of sexual reproduction.

B. A seed typically consists of plumule, cotyledons, hypocotyl, radicle and root cap.

C. Mature seeds may be non-albuminous or albuminous.

D. Nucellus of ovules harden as tough protective seed coats.

Choose the correct option from the following.

19. Persistent nucellus is called _________ and is found in ___________-

20. Select the correctly matched pair.

(a) Coleoptile - Radial part of embryonal axis

(b) Epicotyl  -  Portion of embryonal axis terminates in stem tip

(c) Scutellum - Undifferentiated sheath enclosing root tip

(d) Hypocotyl - Portion of embryonal axis above cotyledon

21. In which of the following plants, thalamus contributes to the fruit formation?

22. Select the correct statement regarding parthenocarpy.

23. This is an example of a very old viable seed excavated from Arctic Tundra. The seed germinated and flowered after an estimated record of 10,000 years of dormancy. It is

24. Polyembryony commonly occurs in

25. In angiosperms, normally after fertilization