Title 02. SEXUAL REPRODUCTION IN FLOWERING.pdf ✅

BUY COURSE FROM STORE TO GET INSTANT ANSWER AND EXPLANATION OF EACH QUESTION SPARK PCMB | DOWNLOAD APP NOW| +91-920-630-6398 02. SEXUAL REPRODUCTION IN FLOWERING #QID# 21603 (1.) Parthenocarpic fruit (a.) Develops from fertilization (b.) Developed from fertilized ovary (c.) Develops from unfertilized ovary (d.) Develops from ovules ANSWER: c EXPLANATION: (c) Fruit developed from unfertilized ovary. In most of the species fruits are results of fertilization. There are few species in which fruits develop without fertilization. Such fruit are called parthenocarpic fruits. Banana is one such example. Parthenocarpy can be induced through application of growth hormones and such fruit are seed less #QID# 21604 (2.) Seed is (a.) Ripened ovule (b.) Plant part having two generation (c.) Both (a) and (b) (d.) Miniture plant ANSWER: d EXPLANATION: (d)
BUY COURSE FROM STORE TO GET INSTANT ANSWER AND EXPLANATION OF EACH QUESTION SPARK PCMB | DOWNLOAD APP NOW| +91-920-630-6398 Seeds carry two generations first their parent genes and second its upcoming plant gene. That’s why it is called plant part having two generation. Seed is the ripened ovule #QID# 21605 (3.) Find out the correct statement (a.) Parthenocarpic fruits are seedless (b.) Parthenocarpy is developed by hormones (c.) Both (a) and (b) (d.) Parthenocarpic seeds are developed by fertilized ovary ANSWER: c EXPLANATION: (c) In most of the species fruits are results of fertilization. There are few species in which fruits develop without fertilization. Such fruit are called parthenocarpic fruits. Banana is one such example. Parthenocarpy can be induced through application of growth hormones and such fruit are seed less #QID# 21606 (4.) Vegetative fertilization leading to the formation of endosperm refers to (a.) Fusion of male gamete with diploid secondary nucleus (b.) Fusion of female gamete with diploid secondary nucleus (c.) Fusion of two diploid vegetative cells (d.) Fusion of two male gametes ANSWER: c

BUY COURSE FROM STORE TO GET INSTANT ANSWER AND EXPLANATION OF EACH QUESTION SPARK PCMB | DOWNLOAD APP NOW| +91-920-630-6398 EXPLANATION: (a) Sometimes the nucellus does not completely consumed so it persist. It is found in many plant like black pepper and beet. This nucellus is called perisperm #QID# 21609 (7.) The ‘eyes’ of the potato tuber are (a.) Flower buds (b.) Shoot buds (c.) Axillary buds (d.) Root buds ANSWER: c EXPLANATION: (c) Tuber is oval or spherical swollen underground modified stems lacking adventitious roots. It possesses a number of spirally arranged depressions called eyes. Each eye represents node and consists of 1-3 axillary buds in the axils of small scally leaves. #QID# 21610 (8.) True fruit is directly derived from (a.) Stem (b.) Root (c.) Ovule (d.) None of the above ANSWER: a