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Sexual reproduction in flowering plants Mcqs Neet 2020 to 2021

 Sexual reproduction in flowering plants

* Post Fertilization: Structures and Events

1. Perisperm is

(A) remnant of endosperm
(B) persistent nucellus
(C) the peripheral part of the endosperm
(D) disintegrated secondary nucleus

2. Development of an organism from female gamete/egg without involving fertilization is

(A) adventive embryonic
(B) polyembryony
(C) parthenocarpy
(D) parthenogenesis

3. Number of meiotic divisions required to produce 200/400 seeds of a pea would be

(A) 200/400
(B) 400/800
(C) 300/600
(D) 250/500

4. In a cereal grain the single cotyledon of the embryo is represented by

(A) coleoptile
(B) coleorhiza
(C) scutellum
(D) prophyll

5. Perisperm differs from endosperm in

(A) being a haploid tissue
(B) having no reserve food
(C) being a diploid tissue
(D) its formation by fusion of secondary
nucleus with several sperms

6. Non-albuminous seed is produced in

(A) maize
(B) castor
(C) wheat
(D) pea

7. Which one of the following fruits is parthenocarpic?

(A) Banana
(B) Brinjal
(C) Apple
(D) Jackfruit

8. Coconut water from a tender coconut is

(A) degenerated nucellus
(B) immature embryo
(C) free nuclear endosperm
(D) innermost layers of the seed coat

9. The coconut water from tender coconut represents

(A) free nuclear proembryo
(B) free nuclear endosperm
(C) endocarp
(D) fleshy mesocarp

10. Persistent nucellus in the seed is known as:

(A) Hilum
(B) Tegmen
(C) Chalaza
(D) Perisperm

11. Which one of the following statements regarding post-fertilization development in flowering plants is INCORRECT?

(A) Central cell develops into endosperm
(B) Ovules develop into the embryo sac
(C) Ovary develops into fruit
(D) Zygote develops into the embryo