Questions
Question 1 Multiple Choice (Single Answer)
Which of the following plants are propagated through underground roots?
- Bryophyllum and kalanchoe
- Ginger, potato and onion
- Pisita, chrysanthemum and pineapple
- Sweet potato, asparagus and dahlia
Question 2 Multiple Choice (Single Answer)
Which of the following parts of onion is/are used for vegetative propagation?
- Tubers
- Bulbs
- Seed
- Rhizomes
Question 3 Multiple Choice (Single Answer)
Which of the following is the receptive structure for pollens?
- Stigma
- Style
- Ovary
- Ovule
Question 4 Multiple Choice (Single Answer)
Which of the following parts is called future shoot of a germinating seed?
- Cotyledon
- Plumule
- Radicle
- Petal
Question 5 Multiple Choice (Single Answer)
Which of the following types of movement is performed by pollen tube towards embryo sac?
- Thigomotactic
- Thermotactic
- Chemotactic
- Phototactic
Question 6 Multiple Choice (Single Answer)
Which of the following plants has lost its ability to produce seeds?
- Apple
- Pear
- Peach
- Banana
Question 7 Multiple Choice (Single Answer)
What do you call the development of seedless fruit in an unfertilised flower?
- Parthenocarpy
- Sporophytic budding
- Polyembryony
- Micropropagation
Question 8 Multiple Choice (Single Answer)
What do you call the pollination performed by bats?
- Entomophily
- Ornithophily
- Cheiropterophily
- Hydrophily
Question 9 Multiple Choice (Single Answer)
How does a pollen tube usually enter the embryo sac?
- Through one of the synergids
- Through direct penetration of the egg
- Between one synergid and central cell
- By knocking off antipodal cells
Question 10 Multiple Choice (Single Answer)
Double fertilisation means the fusion of
- one male gamete with the egg and the other with the antipodal cell
- one male gamete with the egg and the other with the secondary nucleus
- one male gamete with the egg and the other with the synergids
- two male gametes with the egg