/ No, I don ’ t ’ in English is more polite than just saying ‘ Yes. (ii) Orhithophily - By the birds. The compound pollen grain, massula is characteristic of _____. You will also love the experience on ybstudy class 12 Solutions. What is double fertilization. 2. 5. See more. Answer : Hydrophily is the term given to the pollination occured by water.It can occur below the surface of water or on the surface of water. Answer: Pollen grains are the male gametes which fertilise the egg cell present in the ovule of a flower. What is hydrophily ? Saying ‘ Yes, I do. B. Anemophily. Question 10. The ashes are used as fertilizer. 6. (2) Biotic agencies (i) Entomophily - By the insects. Solution: 1. Use the long form (he does) in affirmative answers (yes). II. Spreading of seeds from one place to another is known as _____. 1. Answer: (d) Cannabis. View Answer. One male gametes fuses with egg (syngamy) to form zygote. 1. Endospermic seeds are found in (a) castor (b) barley (c) coconut (d) all of these Answer: (d) all of these. (This is either an auxiliary verb or a form of ‘ be ’.). 4. Very Short Answer Type Questions (1-Mark) Q. b) hydrophily c) entamophily d) ornithophily Answer: (a) anemophily. Clay and humic acid particles hold tightly. Question 7. (iii) Chiropterophily - By the bats. Write the various methods of cross-pollination. Question 2. Citrus canker is caused by. Polyembryony increases the chances of survival of the new plants. D. None of these. A hydrophilic molecule or substance is attracted to water. Answer : Tapetum is the innermost layer of the microsporangium. Hydrophilic definition, having a strong affinity for water. Genetically uniform parental type seedlings are obtained from nucellar embryos, thus nucellar adventive polyembryony is … Hydrophilic Definition. Exercises on Short Answers. This will clear students doubts about any question and improve application skills while preparing for board exams. Name the layer which supplies nourishment to the developing pollen grains. Balbharati solutions for Biology 12th Standard HSC Maharashtra State Board chapter 1 (Reproduction in Lower and Higher Plants) include all questions with solution and detail explanation. Question 12. Hydrophily. Short Answer Question: How polyembryony can be commercially exploited? Describe the structure of a myelinated3. / No. All biology textbook Solutions. Answer: Dispersal of seeds. ’ That ’ s why short answers are very commonly used. View Answer. Why? All questions and answers from the biology textbook Solutions Book of Class 12 biology Chapter 1 are provided here for you for free. Question 11. View Answer. Wha … t is a nerve fibre? List the differences between a striated, smooth, and cardiacQ. C. Entomophily. Solutions for class 12, These biology textbook solutions are prepared by biology experts and are 100% accurate. Why does pseudo-stratified epithelium appear multilayeredthough it consists of only a single layer of cells?Q2. Answer: Various methods of cross-pollination are entomophily (insect pollination), anemophily (wind pollination), hydrophily (water pollination) and zoophily (animal pollination). SHORT/LONG ANSWER TYPE QUESTIONS1. To form the short answer, you use the first word from the question. Water is a polar molecule that acts as a solvent, dissolving other polar and hydrophilic substances.In biology, many substances are hydrophilic, which allows them to be dispersed throughout a cell or organism.All cells use water as a solvent that creates the solution known as cytosol. Question 5. Very short answer type : Androgenic plants.do not flower. Fill in the blanks: Question 1. a) grass b) Vallisneria c) hydrilla d) lotus Answer: a) grass. Pollination takes place by wind in _____. 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