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Functional megaspore in an angiosperm develops into:
In some plants, the female gamete develops into an embryo without fertilization. This phenomenon is known as:
Winged pollen grains are present in:
Anemophilly type of pollination is found in:
What type of pollination takes place in Vallisneria?
Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by:
Which of the following has proved helpful in preserving pollens as fossils?
Which of the following statements is not correct?
A dioecious flowering plant prevents both:
To ensure that only the desired pollens fall on the stigma in artificial hybridization process: a: the female flower buds of plant producing unisexual flower need not be bagged. b: there is no need to emasculate unisexual flowers of selected female parent. c: emasculated flowers are to be bagged immediately after cross pollination. d: emasculated flowers are to be bagged after removal of anthers. e: bisexual flowers, showing protogyny are never selected for cross. Choose the correct answer from the options given below:
The residual persistent part which forms the perisperm in the seeds of beet is :
What is common between vegetative reproduction and Apomixis?
The coconut water and the edible part of coconut are equivalent to:
Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called:
Hair found in the inflorescences of Zea mays is the modification of:
In a cereal grain, the single cotyledon of the embryo is represented by:
What is the direction of the micropyle in the anatropous ovule?
Which one of the following is resistant to enzyme action?
In Angiosperms, pollen tubes liberate their male gametes into the:
Match List - I with List - II List-I (A) Palm bones (B) Wrist bones (C) Ankle bones (D) Digit bones List-II (I) Phalanges (II) Metacarpals (III) Carpals (IV) Tarsals